@borgbackup@fosstodon.org
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borgbackup

@borgbackup@fosstodon.org

Deduplicating archiver
with compression and encryption

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borgbackup, to linux
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borgbackup 1.4.0rc1 (release candidate 1) was just released!

maybe the last chance to give it some testing before the 1.4.0 stable release, so please check it out and give feedback via github.

https://github.com/borgbackup/borg/releases/tag/1.4.0rc1

borgbackup, to linux
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Just released borg 1.2.8 with some fixes and a simplified TAM auth repo upgrade procedure:
https://github.com/borgbackup/borg/releases/tag/1.2.8

scy, (edited ) to random
@scy@chaos.social avatar

2.0 is still single-threaded, right? @borgbackup

(Edit: Yes it is, see https://github.com/borgbackup/borg/issues/37. Parallelism is planned to be "the next milestone after 2.0".)

borgbackup,
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@scy Yes, see the issue on github about multithreading.

scy, to random
@scy@chaos.social avatar

Benchmarking (unscientifically) BorgBackup's hashing & compression settings.

zstd,3 is as fast as lz4 🤔

zstd,10 takes twice as long though

However, that's on 5 GB of /dev/urandom, I'll check the performance on "normal" data tomorrow.

borgbackup,
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@scy Did you also measure the default compression setting ("lz4" - without "auto")?

borgbackup,
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@scy Because we use lz4 as predictor for compressibility when using "auto,something", so "auto,lz4" is kind of redundant (but IIRC, borg avoids double-compression - just wanted to make sure).

borgbackup,
@borgbackup@fosstodon.org avatar

@scy The scope of compression is a chunk (not a file) and to predict compressibility of that chunk, it runs lz4 on the whole chunk. If it compresses well, it then runs the more expensive compressor on that chunk when using auto,expensive_compressor.

borgbackup, to random
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users: looks like you'll have (optional) extended attribute support soon in NetBSD 10!

But does not support that on NetBSD, a PR would be welcome!

Implementing this might be rather easy, because there is already xattr code for FreeBSD, Linux and macOS.

https://github.com/borgbackup/borg/issues/1332

borgbackup, to linux
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Just released 1.4.0b1 beta version!

This is important for pre-release beta testing, but should not be used for production - please help testing!

https://github.com/borgbackup/borg/releases/tag/1.4.0b1

borgbackup, to random
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It would be good if #borgbackup 1.4 would see more testing from the community while it is pre-release and not in production yet (that's the main reason why the changes were not just put into borg 1.2.8).

You can help to make 1.4.0 release better, see some hints there:

https://github.com/borgbackup/borg/discussions/7975

borgbackup, to random
@borgbackup@fosstodon.org avatar

Just noticed that #borgbackup has reached 10.000+ stars on github, yay! 🎉

If you like borg and didn't star it yet, do it now! 🚀

https://github.com/borgbackup/borg/

borgbackup, to linux
@borgbackup@fosstodon.org avatar

borgbackup 1.2.7 was just released!

Details see there:

https://github.com/borgbackup/borg/releases/tag/1.2.7

#borgbackup #backup #linux #freebsd #openbsd #netbsd #macOS #openindiana

ironicbadger, to random
@ironicbadger@techhub.social avatar

I have discovered tonight that two tiers of my three tier personal ZFS backup strategy, of which I am very proud, hasn’t been working for over 6 months.

Tier 1 - local replication of all datasets to a server at the opposite end of the house. ✅ working fine

Tier 2 - zfs replication to my old UK server, horribly broken. Checksum errors on 2 of 4 drives. Proxmox keeps kernel panicking after a few hrs, not quite sure why yet (thank goodness for IPMI via Tailscale)

Tier 3 - Restic to Minio running on a Synology box which has completely shit the bed after an update in two ways. 1. Minio has upgraded their data architecture and provided no clear upgrade path - unacceptable! 2. DSM webUI will not load. Systemd errors are out the wazoo and the only option is a factory restore after several hours triaging.

A great opportunity to the double check that past assumptions are still valid and that monitoring is not totally made of cheese moving forward.

What do you do for your personal backups?

borgbackup,
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@jurgenhaas @ironicbadger There are quite good docs about what borg check --repair does (older docs had a description that is quite close to the code, more recent docs have a rewritten description).

borgbackup,
@borgbackup@fosstodon.org avatar

@jurgenhaas @ironicbadger borg check has no "like an extraction" option, but guess you mean --verify-data (which cryptographically verifies the file content chunks).

if one wants an extraction-like check, there is borg extract --dry-run which does most of the steps except writing data to disk.

borgbackup, to linux
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Just released a new #borgbackup 2 beta:

https://github.com/borgbackup/borg/releases/tag/2.0.0b7

#linux #bsd #macos

borgbackup, to linux
@borgbackup@fosstodon.org avatar

#borgbackup 1.2.6 was just released, including a security fix!

1.2.6 fixes a crash in the CVE-related repo upgrade steps of 1.2.5 if the repo contains archives resulting from a rename or recreate operation.

https://github.com/borgbackup/borg/releases/tag/1.2.6

#linux #freebsd #openbsd #netbsd #macOS #openindiana

borgbackup, to linux
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1.2.5 was just released, including a security fix!

https://github.com/borgbackup/borg/releases/tag/1.2.5

borgbackup, to random
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BorgBackup is now also (as a separate account) on Mastodon!

(Account operated by https://chaos.social/@ThomasWaldmann )

borgbackup,
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@benjaminhollon maybe - the borgbackup.org site is linked from github, so guess that also verifies it.

borgbackup,
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@benjaminhollon done! :)

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