Duplicacy prune Running out of space on a volume is an event that shall be avoided. If a chunk reported as missing in fact does not exist in the storage, then you may need to find out why it is missing. I’m not sure how to get spindump on linux. When you prune any of the repositories, :d: still needs to download all existing snapshot files for all repositories (not the whole data, just the chunks which store each revision details – the meta chunks). The issue is, Duplicacy can’t do this because pruning is done on a snapshot level. The Schedule and Prune settings were not saved. Or one could This must have been asked before, but I couldn’t find it About the web-UI: Most of my computers are turned on sporadically for a couple hours every day. These settings are stored under com. Prune got stuck on deleting snapshot 32 two days ago. Click ok them to edit. You can run the prune job with the same options but add -dry-run to find the first revision to be deleted which should be the one that has the permission issue. What is the prefered way to setup this scenario? Should each backup have his own prune job in a schedule or is there a Setup: Backup server with storage and locally mounted repositories. Can someone please tell me if I’m right with the following command and expected results? 😅 duplicacy prune -keep 0:364 -keep 24:182 -keep 7:91 -keep 1:1 Keep 1 My questions are: why is there a need for 2 different fossil types, how are they different, and how were they created? I have been using duplicacy for a week now It is absolutely amazing. my first Christoph Jan 25 3:43PM 2018 . -all is a valid option for the CLI but it seems the web GUI failed to parse it correctly. The storage was added using add -copy. Quick overview NAME: Then click on the prune options there and replace the -keep arguments with what you actually wanted. However I don’t think I did that, simply because I setup prune on the GUI to only keep 1 every 7 days and I ran it and after that I ran the check, now it has missing chunks. I've heard from some that prune is not really useful or necessary and may be potentially problematic. hi there, I have tried to play around with pruning but I’m afraid I can’t figure out, how it works. Here is a sample Will this work: duplicacy prune -keep 0:20. On Windows and macOS, Duplicacy Web Edition is provided as installers. I currently schedule a backup, check and prune daily, but having issues where it seems old revisions aren’t deleting. I'm curious to know how others use prune. duplicacy prune - Prune revisions by number, tag, or retention policy. 1 prune -keep 0:1 Repository set to / Storage set to b2://mail/ Keep no snapshots older than 1 days Fossil collection 1 found Fossils from collection 1 can't be deleted because deletion criteria aren't met Fossil collection 2 found Fossils from collection 2 can't be deleted because deletion criteria aren There are 3 types of Duplicacy licenses: Running the CLI version to restore, check, copy, or prune existing backups on any computer; Running the CLI version to back up any files on a computer where a GUI license is already installed; Running the web-based GUI (Duplicacy Web Edition) to restore, check, copy, or prune existing backups duplicacy prune -keep 0:360 -keep 30:180 -keep 7:30 -keep 1:7. There isn't a way to limit the number of backups to keep, but ff you run backup daily, then duplicacy prune -k 0:2 will remove backups older than 2 days thus will likely keep 2 I would like to set up Duplicacy on 8 Windows computers (small company) to back them up completely to Google G Suite Drive (business plan). The /cache/chunks/ folder is used to store only these meta chunks that make up the snapshots. I'm currently still doing initial ingestion of my data to B2 and am not running prune commands as of yet. Pruning revisions of document files provide negligible savings in space. The storage list contains a list of repositories to back up to. But I am still unable to quite fully understand how it works and how is it able to work lock-free. “Missing chunk”), duplicacy-web still runs the prune task the combination of the above 2 bugs have caused me great pain. This is somehow related with (part of) this other issue, but I’ll open a new thread to keep things focused. Explanation given is that prune deletes files in two steps: first renaming chunks to fossils, then actually removing only if there How exactly does the duplicacy prune -all command work? Does it completely ignore the snapshot id or does it apply the given retention policy independently to all the snapshots ids?. The prune command is sent via WebUI: “-id S_Bilder -r 1-1000 -exclusive” duplicacy prune -keep 0:360 -keep 30:180 -keep 7:30 -keep 1:7 1 Like. duplicacy/cache. Understanding Snapshots and Pruning. 1: 278: 10 December 2024 Not able to renew license. Please describe what you are doing to trigger the bug: duplicacy prune -exhaustive -d with S3 storage driver targeting an idrive e2 bucket. 1. I read this in the wiki: Prune command details “For fossils collected in the fossil collection step to be eligible for safe deletion in the fossil deletion step, at least one new snapshot from each snapshot id must be created between two runs of Running web 1. Remember that no other backup can be running when you run this command (due to the use of -exclusive). duplicacy prune -keep 0:360 -keep 30:180 -keep 7:30 This means: only keep one version per week after 30 days, one version per month after 6 month and no version older than a year. Duplicacy provides a number of advanced settings that can be configured via user defaults on macOS and registry values on Windows. Then you can try out different prune commands. Without prune the datastore is add-only. That’s savings. I understand (i think) that the parralel tick box is only for other backups in the same schedule is that Just init a blank test repository, cd to the repo dir and run <path>\duplicacy_prune-test. Output from pruning the local storage: (duplicacy prune -all -keep 0:180 -keep 30:90 -keep 7:30 -keep 1:3) Storage set to /bkup2/duplicacy Keep no snapshots older than 180 days Keep 1 snapshot every 30 day(s) if Hello, This is the first time using Duplicacy im really not sure what im doing i want to backup my files to B2 and Local External HDD the problem is im not sure what should i use for the Scheduler i have it setup like this i dont know if i should add check before or after the upload, use backup with prune All i want is a snapshots of the files Thank you and sorry if this question Is there a way to stop a backup job running if a PRUNE is already running? I currently have 4 schedules PRUNE - 8am every other day CHECK - 8am every other day (offset of above) LOCALBACKUP - 11pm Daily CLOUDBACKUP - 3am Daily. duplicacy-web/logs is prune-20220904-002725. duplicacy on macOS, or HKCU\Software\Duplicacy To summarize: if you did not violate duplicacy assumptions: did not touch the same snapshot ID from two different places, did not use -exclusive flag, did not interrupt prune, there shall be no way to silently lose data. I have never run a “prune” task on any of my backups yet, so it can’t be caused by “prune”. You can select the second one by For this my goal is to run duplicacy every hour, have it email me any errors, and then prune (thin) the backed up data. What does Pruning do exactly? The Keep 1 snapshot feature makes sense however For this my goal is to run duplicacy every hour, have it email me any errors, and then prune (thin) the backed up data. duplicacy-util. But I hate to prune very often because it Hi, looking for a bit of help please. If there are very many revisions or if some repositories contain large number of A related question: I have a storage with multiple repos with unique retention policies. . Using hot storage for backup is wasteful. I also find empty folders in /. 3: 68: 10 December 2024 Weekly / monthly scheduled tasks in duplicacy_web. I quit the GUI from the tray icon. exe prune -id laptop -keep 365:365 -keep 30:90 -keep 7:10 -keep 1:2 -threads 64 Please describe what you expect to happen (but doesn’t): Delete old snapshot according to the criteria. So I assume -all will not work. But setting a prune or check for once a day or once a week is problematic, because the computer may not be turned on during that time. Is this intended? If yes, why? This Empty folders after prune partially answer my question. I successfully backed up (to B2) several folders. I do hourly backups for some particularly sensitive and fast-changing files and would like the ability to define a retention policy that deals with hours. This is because for chunks to be deleted, the first prune collects prospective chunks to be deleted, then waits for at least one backup to be completed for all repositories to be sure they’re no longer needed (any that are, But the prune commands I keep sending to Duplicacy don’t seem to be pruning anything: I keep asking Duplicacy to delete a series of contiguous revisions, and when the Check results are returned, those very revisions still exist. I used to run duplicati and this had an export configuration function which mean in case of disaster (OS drive failure) I could get duplicati running on a second machine, import my backup configuration and run a restore (well, the restore part was the part which This appears to have fixed the issue and the entire backup job is now running in 2-4 hours (that includes creating/copying images of two server volumes, backing up the server target volume to the local Duplicacy storage pool, pruning both the local and cloud storage pools, copying the local storage pool to the cloud with snapshots from four Hi, I just started trialing Duplicacy and must say that the prune manual read a big ambiguous for me too until I found -keep n:m -> “Keep 1 snapshot every n days for snapshots older than m days. What diagnostic can I provide? Maybe it makes sense to implement software watchdog to reset connection if no traffic flows for a few minutes? Or at least hours? ash-4. Note that the list may be as long as required. The latter happens after a second run of prune but not before every repository has been backed up again at least once. When in doubt, you can always run the command with -dry-run flag, it will do everything except actually deleting anything. pdf at master · gilbertchen/duplicacy · GitHub but the gist of it is that duplicacy is fully concurrent, it has to support weird scenarios where five machines run backup to a specific storage and seven other machines try to prune it at the same time. duplicacy/scripts directory, this bash script will be run before the prune How do I delete (Prune) a specific revision using the web version? I set a schedule to prune the correct backup. Backup took a while (total 500Gb) but after initial long period; the incremental is quite ok. Honestly, Duplicacy looks reay good, and I’ve tried it for the last couple of days. This needs to be said strongly so users doesn’t get surprised: When you start using prune, you will lose some deleted files and original versions of changed files. The prune command has the task of deleting old/unwanted revisions and unused chunks from a storage. Most ISSUE Duplicacy is creating 100’s of new snapshots every day with only a few actually having new data (and thus a reason for existing). After a job has been added, you can set the After that, run duplicacy prune -exclusive -exhaustive to clean up the storage. The prune logs have been proven to be very useful when there are missing chunks. They are both local (for simplicity). Then run prune -exhaustive to delete chunks that are not used by any of the remaining snapshots. Let’s go through this piece by piece. 0 prune -exhaustive’ to remove chunks associated with the now-deleted snapshot, presuming I can also find the preferences that the duplicacy command wants. If you don’t need to keep that revision (4847), the fix is simple: delete that file from the storage, and then run duplicacy prune -exhaustive -exclusive to clean up chunks only referenced by this revision (while no backups are running). cd repository1 duplicacy backup duplicacy prune -id respostory1 -keep 1:1 duplicacy prune -id respostory1 -keep 0:40 This is repeated nightly. Ok. exe prune -storage remote2 -keep 0:31 -keep 7:1 Again repeated for drives D/E? Then however the prune command documentation said to use -all if multiple repositories back up to the same storage. Prune log: Running prune command from /cache/localhost/all Options: [-log prune -storage B2-Backup -keep 0:365 -keep 30:30 -keep 7:7 -keep 1:1 -a] 2019-10-31 07:25:31. I’ll try duplicacy prune -r 20 -threads 6 and see if that changes anything. You can read more here duplicacy/duplicacy_paper. duplicacy/logs directory to see when the chunk was removed. So what do people do for this? Do you just pick something at random to restore and I have a local storage from which selected snapshots are copied to a B2 storage. So the hourly backup schedule hits these well. And then if you keep those diffs for 180 days — might as well keep it indefinitely. This missing chunk is very likely to be the result of running the prune command with the -exclusive while another backup was running. duplicacy-web\logs with a text viewer. duplicacy-util I do not know why my simple mind cannot grasp the prune options but it cannot. To clean up storage, run duplicacy prune -exhaustive I'm new on the scene and I'm just trying to understand how Pruning and Snapshots work. Getting started Duplicacy licenses (free and paid) Download Duplicacy or Build Duplicacy from source Quick Start tutorial (Web-UI version) Quick Start tutorial (CLI version) Quick Start tutorial (GUI version) Supported storage backends About Duplicacy nomenclature Duplicacy Commands init - Initialize a new repository and storage backup - Save a snapshot of the repository to the (1) duplicacy-web does not send an email on failure for a check task (2) if a schedule has a check task and a prune task, and if the check task fails (e. Quick overview NAME: duplicacy prune - Prune snapshots by revision, tag, or retention policy USAGE: duplicacy prune [command options] OPTIONS: -id <snapshot id> delete snapshots with the specified id instead of the default one -all, -a match against all snapshot IDs -r <revision> [+] delete I’m attempting a Prune job on one storage, which contains four snapshot IDs, and I want to avoid pruning two of the IDs. But for some machines I feel like it would be more suitable to simply keep, for instance, the last 3 snapshots, rather than consider when Everything under . link or the plus sign at the top right corner. Second question. I’m having a difficulty understanding how the -keep option in prune works. Is there a CLI command to remove all these empty folders? Delete old snapshots from snapshots sub folder. Example: duplicacy prune -collect-only The -delete-only option will skip the fossil collection step, while the -collect-only option will skip the fossil deletion step. 1 Like. I came to the conclusion, under no circumstances a third party (family) would be able to restore my Duplicacy backup in case of need. Why I can’t A place for Duplicacy users and developers. You can, for example, run hourly backups and then daily maintenance. Any and all help is appreciated as this is the first time I’m trying to interact with the CLI to do anything. I have 2x 1 TB Cloud Storage and I had to delete both storages completely and begin from scratch since prune didn’t work and the storage ran out of space after a while. Revan335 10 June 2024 05:18 #5. Any thoughts welcome! 1 Like. Recommended frequency is up to you. The latest version 2. gchen: Was there a difference in creating test1. So missing chunks are all in snapshot 1 at revision 1. I think I have the last two clauses right, but am struggling with the first one (one per year indefinitely). I run backup every 15 minutes, but I’m paranoid. /snapshots has my repo folder but it’s empty. This sounds like a good idea if I wanted to prune stale or deprecated repos manually. Since Gdrive is slow for pruning, it may Because it’s single threaded, it’s taking more time to prune than to upload the whole thing on B2. My pruning routine is something similar to the one shown in the 1st post: I have one duplicacy prune -all call with the general retention policy and then few subsequent duplicacy prune calls for individual snaphot ids with more strict policies. Or check the fossil collection file 1 or 2 under . duplicacy prune [command options] -id <snapshot id> delete revisions with the specified snapshot ID Duplicacy by default will ignore repositories that have no new backup in the past 7 days, and you can also use the -ignore option to skip certain repositories when deciding the deletion criteria. Okay, so this might be an odd case because I didn’t run prune for about a year. I am running a prune and then check daily. I would just increase storage space on your server instead. However, there is one thing I think should be handled differently: the behaviour of prune -keep . When I finally started running it, it would run for a while, eventually giving an error: “Failed to locate the path for the chunk [] net/http: TLS handshake timeout” I downloaded the latest version, ran a backup, then a prune. This may happen with other -keep options. tazire 28 March 2024 21:59 #3. 2022/02/20 08:26:34 The log file prune-20220116-000832. I’m trying to figure out Duplicacy’s versioning/retention settings (and their limitations). Say I run three backups a day and once every week I prune old backups with the following: duplicacy prune -keep 1:2 -all Duplicacy will keep one revision per day for revisions older than 2 days, fine. exe prune -storage remote1 -keep 0:31 -keep 7:1 duplicacy_win_x64_2. run ‘duplicacy_linux_x64_3. Loses all changes between oldest and youngest revisions. Run this command on your Pruning won’t free much space unless your data is very volatile. duplicacy list -files duplicacy prune -r 344-350 (or other revision that I became from the list command) Hi, I have a question about pruning. Let’s say that I want to delete an entire remote backup, but keep my current files. “I’d definitely not tinker with the /chunks directory if I were you - if you still have any backup data in -all doesn’t mean to prune all the storages in the preferences file. Process is hanging waiting for something. This is SFTP backend. Please describe what you are doing to trigger the bug: duplicacy prune -id a -keep 0:1800 -keep 7:30 -keep 1:7 -collect-only duplicacy prune -id b -keep 0:1800 -keep 7:30 -keep 1:7 -collect-only duplicacy prune -id c -keep 30:365 -keep 7:90 -keep 1:7 Please describe what you expect to happen (but doesn’t): Expect prune to run without creating unreferenced fossils. Greyed out. I am using the duplicacy web editon and have one storage with 5 backups (different repositories) configured. Click here for a list of related forum topics. Please describe what you expect to happen (but doesn’t): Would expect duplicacy prune -keep 365:365 -keep 7:60 -keep 1:7. My understanding is that part of a solid backup plan is to perform regular tests of restoring files. For example, if you create a bash script with the name pre-prune under the . (2) Enable sub-day pruning rules. At least to me, your prune command appears to be (roughly) consistent with your description of the desired pruning I continue to test Duplicacy via its GUI on a second, Win 7, PC. The important thing is that there are a number of backup ids which i stopped using 2-3 years ago and waited for them to gradually get pruned, Pruning data earlier than that does not safe money; on the contrary, it forces payment immediately. Yes; you also need either -a flag to prune all snapshot IDs, or specify a specific snapshot ID. Although there is supposedly unlimited space available on Google Drive, I would NAME: duplicacy prune - Prune revisions by number, tag, or retention policy USAGE: duplicacy prune [command options] OPTIONS: -id <snapshot id> delete revisions with the specified snapshot ID instead of the default one -all, -a match against all snapshot IDs -r <revision> [+] delete the specified revisions -t <tag> [+] delete revisions with the Add prune job with the desired schedule and ignore retention settings configurable in the dialog. I also used -log which I failed to do earlier. Why I can’t This is somehow related with (part of) this other issue, but I’ll open a new thread to keep things focused. duplicacy prune -r 1 -exclusive I checked my google drive and the snapshot and chunks are indeed removed. log has been deleted 2022/09/27 18:33:36 The log file prune-20220827-113630. Wouldn’t it be enough to prune with parameters like prune -keep 1:36000 and never use a -keep 0:whateverNumberOfDays. Eg: #Keep one I’m backing up several machines to my duplicacy repo but some of them somewhat sporadically. Now i wanted to try to operate via CLI to prune some snapshots. duplicacy folder grows to outrageous sizes (154GB) until I run a prune. Probably the easiest implementation would be to “prune -keep” only numbered revisions. I have the following options enabled on a prune command set to run after every scheduled backup: -d | -keep 7:7 -keep 0:30 -a -exhaustive -threads 10 I interpret this as follows: Keep one revision every 7 days after seven Duplicacy uses a two-step process when pruning backups - collection and deletion. Your usecase as described is pretty straightforward: init repo, do backup, run check and/or restore. log. you are right about a prune getting interrupted. Here’s the sanitized output of the error message. You can also recover fossilized chunks with check -fossils -resurrect but since those snapshots were going to be pruned anyway it would be extra work for nothing. Installation. Because of this, the strategy shown in the documentation for the prune command can be shortened to the following without incurring additional charges: This is the user guide for Duplicacy Web Edition. The prune policy is quite flexible and unless you need to heavily customize it the default I have been using duplicacy for quite some time now. duplicacy instead (by using -repository when initializing the repository). Quick overview NAME: duplicacy prune - Prune revisions by number, After that, run duplicacy prune -exclusive -exhaustive to clean up the storage. My setup is as follows. Wasabi’s 90-day minimum for stored data means there is no financial incentive to reduce utilization through early pruning of snapshots. The prune command is the only command that can delete chunks, and by default Duplicacy always produces a prune log and saved it under the . In the GUI I set non-default settings for Rate Limit, Threads, Volume Shadow Copy Schedule, and I turned on Prune Snapshots. I have done the following: cd /path/to/source echo List of storage names to prune for duplicacy prune operations* check: List of storage names to check for duplicacy check operations* Note that * denotes that this section is mandatory and MUST be specified in the configuration file. Support. Background Have a duplicacy backup going to google team (shared drive). For one of the backups I want a different retention time. I’m using the following options: -exclusive -keep 0:90 -keep 7:30 -keep 1:3 -ignore clonezilla -ignore scyllams_part The results are that nothing gets pruned in the storage, and I suspect I’m using the “-ignore” option incorrectly. But for some machines I feel like it would be more suitable to simply keep, for instance, the last 3 snapshots, rather than consider when Please describe what you are doing to trigger the bug: Running prune -keep 1:1 on snapshot with multiple revisions during the day keeps the oldest revision. For the purposes of this example, I have a folder named source and one named remote. Thanks! I take that as a "yes" regarding the last question ;-) Unfortunately, I can't check directly on the storage whether the chunks ever existed there, because if they were there, they would SYNOPSIS: duplicacy check - Check the integrity of snapshots USAGE: duplicacy check [command options] OPTIONS: -all, -a check snapshots with any id -id <snapshot id> check snapshots with the specified id rather than the default one -r <revision> [+] the revision number of the snapshot -t <tag> check snapshots with the specified tag -fossils search fossils if a chunk Hi all, Want to see if anyone else has had problems with Google (Team) Drives and the prune operation. -delete-only Delete fossils previously collected (if deletable) and don’t collect fossils. txt and test2. g. I have actually 2 repos, both on the same storage, that’s encrypted. I set the option as follows: -r 20 It goes through the motions, and says completed; but revision 20 is still there. If you want to immediately clear up the datastore — then ensure no other instance is touching the datastore and add -exclusive flag to prune. Snapshot Pruning. So I’ve created a prune schedule on it with the flag -keep 0:30 The 30 days have passed however and the email alerts I’m getting from Duplicacy are saying: INFO RETENTION_POLICY Keep no snapshots older than 30 days INFO SNAPSHOT_NONE No snapshot to delete So the policy is being applied but nothing is being done? Running prune The prune command has the task of deleting old/unwanted revisions and unused chunks from a storage. Thanks! I take that as a "yes" regarding the last question ;-) Unfortunately, I can't check directly on the storage whether the chunks ever existed there, because if they were there, they would have been deleted by that very same prune action (actually, not exactly the one in the OP but I ran the same in exclusive mode shortly after). Duplicacy comes with a newly designed web-based GUI that is not only artistically appealing but also functionally powerful. All duplicacy command (except the copy command) only work with one storage at a time. Keep the -a argument intact. Thanks for the quick response. This is a bit unusual because prune never deletes the first revision. duplicacy on macOS, or HKCU\Software\Duplicacy on Windows (or HKLM\Software\Duplicacy if Duplicacy is installed for all users). Please describe what you expect to happen (but doesn’t): Would expect I’m backing up several machines to my duplicacy repo but some of them somewhat sporadically. What I did is to create a script that stops all running containers, then use rsync to backup the appdata to /mnt/user/backups. ps1 20 to create 20 day’s worth of backups. There is safety Will this work: duplicacy prune -keep 0:20. I haven’t used the prune command yet, as I’m concerned it might inadvertently compromise my backups. ”. I don’t really do anything too complicated with prune, so I feel as if I’m just doing something really stupid Prune ran and completed jus Help with Prune on B2 using the Web GUI. muench 19 February 2019 08:50 #3. This is to confirm this isn't a Duplicacy bug. -all actually means the prune command applies to all ids on that storage. For example, duplicacy prune -keep 0:2 -a will delete all revisions older than 2 days. My remote storage is 100% full. This will run without any concurrency safety so make sure all other duplicacy processes that can touch the same datastore definitely cannot run. That’s it, simple. duplicacy/scripts directory, this bash Yes, you can remove the subdirectory under the snapshots directory, but this will leave many unreferenced chunks on the storage. For all my other data, I’m finding dedupe very effective Then check the prune logs under the . First doubt is that when i listed snapshots for “0” there was no prompt for the storage password. Of course it fails. , so it appears that log files in this directory are being pruned. I basically want anything in my cloud storage that has been deleted from my local machine 60 days ago should be removed the cloud storage. I find it unacceptable, and until it’s fixed I’m not using prune. The reasons — it leaves datastore in bad state if interrupted. duplicacy/logs folder. Then you can use Duplicacy to backup /mnt/user/backups to I have read through this post: Fix missing chunks I have cleared the cache, but that did not fix the issue. leerspace 23 October 2019 15:25 #2. my first The main beef is Pruning. I wan’t to delete every revision that is older than 30 days. The log of the failed check command Try -a -persist. In your shoes I might abort (ensure all processes are killed) and add the -d This can be an issue, because Duplicacy is no longer able to deduplicate your backups, potentially resulting in a lot of used storage on Google drive. duplicacy is discardable. What I’d like to achieve is, that I take a backup every hour continuously but prune them to have these kept, I have an hourly backup with a prune policy as follows: -keep 0:365 -keep 24:30 -keep 30:7 -a -threads 30 I believe this should result in no revisions older than a year, then two per month (ish), one per day (ish) then one per hour. With just a few clicks, you can effortlessly set up backup, copy, check, and prune jobs that will reliably protect your data duplicacy prune -keep 1:1 -ke Confused with prune retention policy. There are 4 types of jobs: backup, check, copy and prune. /duplicacy_linux_x64_2. Okay, I did it and it went a lot faster now, but it is difficult to say whether that was because it was no longer the first time I ran prune (though none of the previous runs was successful) or because of the multi-thread. wws 17 August 2018 22:10 #1. tazire 28 March 2024 18:30 #1. Any guidance on how to run ‘duplicacy_linux_x64_3. With duplicacy in current state of affairs I don’t use prune. acrosync. Christoph 7 February 2018 12:21 #5. A prune operation will completely block all other clients connected to the storage from doing their regular backups. In addition to this, I sync photos duplicacy prune -keep 36000:180 -keep 30:180 -keep 7:30 -keep 1:7. Hi Gilbert, I find myself wishing I had a bit more control of granularity over snapshot retention with the prune command. For a test I have installed Duplicacy Web GUI on one PC where I would like to back up 2 internal and 1 external drive which is about 4 TB totally. Hi, i just performed a backup as a test and later i did duplicacy prune -exclusive -r 1 The revision is removed but in the chunks dir on the storage i still see some empty chunk dirs. 067 INFO STORAGE_SET Storage I am using Duplicacy web saspus docker image on a Synology nas. You can use this list · gilbertchen/duplicacy Wiki · GitHub to find out which revisions contain specific file. Any guidance on how to NAME: duplicacy prune - Prune revisions by number, tag, or retention policy USAGE: duplicacy prune [command options] OPTIONS: -id <snapshot id> delete revisions with the specified snapshot ID instead of the default one -all, -a match against all snapshot IDs -r <revision> [+] delete the specified revisions -t <tag> [+] delete revisions with the [root@mail ~]# . Moreover, since most cloud storage services do not provide a locking service, the best effort is to use some basic file operations to simulate a lock, but distributed locking is known to be a hard problem and it is unclear how reliable restic's lock implementation is. Data is not lost — but checks will start failing on the ghost snapshots that were supposed to be deleted. 1 seems to have a less verbose If running prune a second time didn’t work, you may have to run it with the -exclusive flag, making sure no backups are running while it does. So it is clear that I can set all kinds of sophisticated configurations such as duplicacy prune -keep 0:360 -keep 30:180 -keep 7:30 -keep 1:7 which will 1 snapshot per day for New Duplicacy user here, running the Web-UI version in a Docker environment from my Synology NAS. You can add -exclusive flag to do it quicker but ensure there is no other duplicacy process interacting with the datastore at the same time. The first revision that is in this Prune ran and completed jus Help with Prune on B2 using the Web GUI. I’m attempting a Prune job on one storage, which contains four snapshot IDs, and I want to avoid pruning two of the IDs. But this is what I got: PS C:\> duplicacy prune -r 1 Storage set to P:\Backup\duplicacy\ Deleting snapshot PC_C at revision I am getting a prune failure error due to some sort of permissions issue when I back up my files to Wasabi. duplicacy/cache/fossils and look for the deleted_revisions list. Duplicacy backups are incremental, so you may not save much space compared to keeping revisions around for longer. The difference was different json token file provided — attempting to delete test1 using connection Currently, I’m using Duplicacy on an Unraid NAS with an XFS file system. A place for Duplicacy users and developers. Examples include, vzdump files from proxmox VM backups or surveillance videos from cameras. And being able to look at the log, I think an interesting additional feature for the “prune -keep” command would be the possibility to exclude tagged revisions. First, the job prunes both the local and cloud storages. Example: duplicacy prune -delete-only Deleting Fossil Files Christoph Jan 25 3:43PM 2018 . This would allow for a tagged revision like e. The real savings will come from continually advocating for duplicacy to separate data and metadata chunks to allow use of deep archive storage, at $1/TB/ month. Bluebeep Jan 7 1:04PM 2018 GUI. There’s always something failing. Hi guys, I'm new on the scene and I'm just trying to understand how Pruning and Snapshots work. Please describe what actually happens (the wrong behaviour): It writes a long list of Deleting snapshot laptop I would appreciate if someone could help me understand prune and what revisions are kept. I think you can just manually remove the revision file snapshots/1/1 in the storage and then run the one-time prune job with the -exhaustive Both the test app and duplicacy prune succeeds. I see lots of Fossil But this is what I got: PS C:\> duplicacy prune -r 1 Storage set to P:\Backup\duplicacy\ Dele I wrongly included a number of directories in my backup and so I deleted the first snapshot so as not to waste storage space. Moreover, it can sometimes be difficult to reason about I’ve noticed what appears to be an infinite prune/copy loop with my cloud storage. You can select the second one by Check if the chunk was not deleted by prune. PROPOSED SOLUTIONS (1) Enable a backup option (eg) -skip-no-unique which does not create a new snapshot if the scan of the repository reports no changes to the data. I am using the Web GUI in a Docker environment. If it was deleted accidentally (due to the use of the -exclusive option), then run duplicacy backup -hash hoping it may be able to recreate the same chunk. I have this command running every Please describe what you are doing to trigger the bug: Running prune -keep 1:1 on snapshot with multiple revisions during the day keeps the oldest revision. Prune commands log messages such as these: Running prune command from /share You can instruct Duplicacy to run a script before or after executing a command. Prune job has been running for more than a day, looking like it will not complete. Yeah. Once you have the prune job added it’s arguments will be displayed in the column in the list. Hoping someone can tell me how to set the prune options to achieve what I would like which is very simple. I don’t necessarily know how many repositories there are per storage, there may be more than one though in this case there is only one. BTW the Web UI isn’t great at tailing logs so you might want to examine them directly in . Euhm. I have read the page on wiki and pdf with detailed explanation of how pruning works. “BeforeUpdate” or “KeepForever” which would never be automatically pruned. Below is an overview Preventing bit rot and ensuring data integrity in my Duplicacy + Unraid NAS + offsite storage setup. 3# ps -ax | grep dupl | grep -v grep Immediate duplicacy copy from SFTP to cloud storage (OneDrive in my case) executed via a post backup script (see here for info: Pre Command and Post Command Scripts) duplicacy check every evening; duplicacy prune every morning; I’ve got some scheduling logic so backups won’t overlap in there too (I’m using the CLI version). Currently prune’s -keep is hardcoded to days. However, quite a few empty folders remain in the /chunks and in /snapshots. And zero if data is static and incompressible. I tend to match what Time Machine in macOS defaults to: -keep 7:30 -keep 1:1 and backup hourly. As I understood it (which may well be wrong), that will not guarantee that my crashplan snapshot survives the more short . If you want to move the logs (or the cache) to a different location, you should move . EDIT: Based on my test, it seems to work per snapshot basis (the other option would not make much sense). If I never prune, all is fine, backups are fast and life is good. I forgot to prune. I have only seen it with -keep 1:1. There is an option to delete snapshots older You can delete orphaned snapshots manually (from subfolder “snapshots”) on OneDrive, then clear local duplicacy cache, and run prune -exhaustive to cleanup orphaned chunks. You can implement GFS with this easily, or more complex something. This approach works well for me You can follow up with -exhaustive prune to clean them up. prune. ) in the first box keeping a snapshot ever X amount of days older than Y days is like this. The user guide for the old GUI version can be found here. Here: prune · gilbertchen/duplicacy Wiki · GitHub. Tried again I continue to test Duplicacy via its GUI on a second, Win 7, PC. 1 and a daily scheduled backup runs backup, prune, check. my checks kept failing for months and I never got any emails, and the prunes kept Now I want to completely delete all backup revisions of a specific backup id. The ISSUE Duplicacy is creating 100’s of new snapshots every day with only a few actually having new data (and thus a reason for existing). robert. This means that -keep 7:90 might be too aggressive for your need. Related: because duplicacy does not yet support archival storage users are forced to use a very expensive hot storage, overpaying at least 4x. It seems it works as designed. I have a local and remote storage. I would not run checks and prunes concurrently though since prune may confuse checks but yanking the carper from under the snapshots so to speak. And for snapshots newer than 7 days it keeps every snapshot? So I have daily snapshots for 1 week, and 4 Pruning is mainly to keep the backup size under control (because duplicacy keeps versions of backups, meaning if you change a file name and want to restore it you can see both the new file name and the older file name in a older backup. txt that caused them to behave differently when deleted? No difference, both uploaded from a local disk via browser to main account. Depends on your target storage performance (one drive — slow, Amazon s3 — fast), amount of data turnover You can instruct Duplicay to run a script before or after executing a command. Please describe what actually happens (the wrong behaviour): Output of Found redundant chunk floor(# of chunks duplicacy prune -all (is PC2_user_docs still auto-ignored after 7 days?) It also provide an -ignore option that can be used to skip certain repositories when deciding the deletion criteria. Hi 🙂 I’m using Duplicacy Web Edition on my Windows 10 laptop. Reading through the prune help pages and various other posts, I think my settings are correct: -keep 0:14 -keep 7:7 -keep 1:1 Which should translate to: -keep 0:14 # Is snapshot older that 14 days? Yes keep 0 revision Please describe what you are doing to trigger the bug: I run duplicacy. mac. Have about 7 revisions and having the prune operation to delete oldest and prune the backup store. So far I’ve been pruning by date as per the prune documentation (-keep 0:200 -keep 30:60 -keep 7:10 -keep 1:3). My backup/prune commands look like this (encryption/password related stuff omitted for brevity): duplicacy-wrapper backup duplicacy-wrapper prune -a -keep 0:365 -keep 30:30 -keep 7:7 -keep 1:1 duplicacy-wrapper prune -a -exclusive duplicacy-wrapper copy -from default -to b2 I do not know why my simple mind cannot grasp the prune options but it cannot. But if I prune only once, then the . I just noticed that prunes on a backup have started to fail: $ duplicacy prune -exclusive -exhaustive -keep 0:360 -keep 30:90 -keep 7:14 -keep 1:3 Storage set to gcd://Backups/ Keep no snapshots older than 360 days Keep 1 snapshot every 30 day(s) if older than 90 day(s) Keep 1 snapshot every 7 day(s) if older than 14 day(s) Keep 1 snapshot At the end of a prune operation, Duplicacy will remove all chunks from the local cache except those composing the snapshot file from the last backup (those that would be kept by the backup command), as well as chunks that contain information about chunks referenced by all backups from all repositories connected to the same storage url. Why does it take so long to delete a single revision? So I have a couple datasets that are large blobs, or high rate-of-chage. Please describe what you expect to happen (but doesn’t): The command returns doing nothing. In your case the storage named b2-trainingandchecking is selected because it is the first one. Duplicacy should have done it automatically, it has been long time requested but never implemented. I tried again, this time Starting each Duplicacy provides a number of advanced settings that can be configured via user defaults on macOS and registry values on Windows. Hello, I am trying to grasp the way how duplicacy works. I know there have been other threads about understanding the Prune command, but after searching through them they’re still not resolving my confusion or, rather, not in a way I understand so I would hugely appreciate some direct help! This is the setup: I have Quick overview NAME: duplicacy prune - Prune snapshots by revision, tag, or retention policy USAGE: duplicacy prune [command options] OPTIONS: -id <snapshot id> delete snapshots with the specified id instead of the default one -all, -a match against all snapshot IDs -r <revision> [+] delete -all doesn’t mean to prune all the storages in the preferences file. I have tried to run the prune-command, but no storage free’s up. I believe it is one of the revision files that couldn’t be removed. 2. Replace delete all -keep arguments and replace them with your own -keep 0:2. Look into prune command. I don’t know how I would be able to manually check if a missing chunk exists on the storage, as I do not know the path of a chunk. But seriously, wtf with the retention policy? It’s so confusing, and if you want any Windows / Normal peeps using this, you should really look at making a change. (My current solution Doing a bit of prune testing with duplicacy cli and running into issues - perhaps I misunderstand what’s going on. Eg: #Keep one duplicacy prune -keep 1:7 # Keep a revision per (1) day for revisions older than 7 days duplicacy prune -keep 7:30 # Keep a revision every 7 days for revisions older than 30 days duplicacy prune -keep 30:180 # Keep a revision every 30 days for revisions older than 180 days duplicacy prune -keep 0:360 # Keep no revisions older than 360 days So. log has been deleted and the oldest prune log file in . When i listed snapshots for “1” i was asked for the password. Feature. Is this broken, or am I doing something wrong? You can also run prunes concurrently, for the same reason. However, if the on-disk files already changed duplicacy_win_x64_2. Topic Replies Views Duplicacy prune -keep-max PR submitted today. So it is clear that I can set all kinds of sophisticated configurations such as duplicacy prune -keep 0:360 -keep 30:180 -keep 7:30 -keep 1:7 which will 1 snapshot per day for Yes you need to add check and prune for the B2 storage also (if you want to check and prune the storage), but I’d recommend separating the jobs from the backup schedule - and do the check and prune for both storages in a separate schedule that’s run less frequently than your backups. I was wondering if anyone has any recommendations on how to automate testing a restore. Once an hour seems to be a commonly used frequency. glfdi ocziw swpanw izga kno ktba prj jsdp bslgl rti