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#datarecovery

2 posts2 participants0 posts today

Take your FreeBSD ZFS game to the next level! 🔧💾

In our latest blog, Benedict Reuschling dives into automated ZFS snapshots with Sanoid — a powerful tool to schedule, manage, and prune snapshots effortlessly on FreeBSD. Learn how to set up snapshot policies to keep your data safe.

📦 Bonus: Includes a ready-to-go Ansible playbook!

👉 Read now: freebsdfoundation.org/blog/zfs
#FreeBSD #ZFS #OpenZFS #SysAdmin #Sanoid #Snapshots #DataRecovery #Ansible

Server arrived today, immediately found a problematic drive 😔

TOSHIBA 12TB enterprise drive
Only 131 hours of use (basically new)
578 ATA errors (should be near zero)
Performance: 37 MB/s (should be ~200 MB/s)
5x slower than the other identical drives

ZFS isn't complaining, but I can't trust this drive.

Another bad retro diskette! At first glance, this one seemed pretty much gone. None of my disk imaging tools were able to read it. Windows Explorer just crashed.

Only a low level KryoFlux dump managed to uncover the physical cause behind this: A corrupt root directory beyond any chance of repair. Luckily, both the file allocation tables as well as most of the data clusters were still in good shape. I used a hex editor to manually recover all the files from the valid tracks. It worked!

I guess these games are nothing special, but it still made me happy to pull usable data and working files from such a destroyed file system!

For secure data backup, here’s how to do the 3-2-1 rule right

"The venerable 3-2-1 rule for backing up data remains a tried-and-true method for ensuring the integrity of copied data that is essential to disaster recovery efforts, but it has to be done properly."

W. Curtis Preston

networkworld.com/article/96838

Network WorldFor secure data backup, here’s how to do the 3-2-1 rule rightThe venerable 3-2-1 rule for backing up data remains a tried-and-true method for insuring the integrity of copied data that is essential to disaster recovery efforts, but it has to be done properly.
Replied in thread

@jhx Apple has some bespoke booting stuff so #Hackintosh users have to constantly use tools like #Clover to modify a .dmg file from a #macOS installer to make it even boot and inject the necessary Kexts into the system so it doesn't fall flat on it's face.

Granted I do use those bootable drives as a more flexible option and I have all sorts of OSes on them for quick deployment.

  • Personally I develop @OS1337 so I can have a slim live-booting non-persistent #Linux to be able to do the same without having to physically plug stuff into a system, but also to get base installs and data recovery made faster and simpler.

Otherwise the only thing even better than Ventoy on it's own is preparing a custom bootable image with a linux desktop on for a truly "normadic" desktop.

  • @tails_live / @tails / #Tails comes close to it but doesn't really like installing a persistent storage on a drive with ventoy (even if one has a spare partition for it!) and for people who just want to have some tools like #ddrescue at hand, a regular linux desktop is more useful!

I mean, @kalilinux can be used for #DataRecovery but it's not intended to be used as a versatile daily driver (just like one opens a door with a key and not some breaching charges and a crowbar)...