Re: [gentoo-user] Re: Suggestions for backup scheme?

["J. Roeleveld" <joost@antarean.org>]

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On Wednesday, January 31, 2024 2:01:32 PM CET Rich Freeman wrote:
> On Wed, Jan 31, 2024 at 6:45 AM John Covici <covici@ccs.covici.com> wrote:
> > I know you said you wanted to stay with ext4, but going to zfs reduced
> > my backup time on my entire system from several hours to just a few
> > minutes because taking a snapshot is so quick and copying to another
> > pool is also very quick.
> 
> Honestly, at this point I would not run any storage I cared about on
> anything but zfs.  There are just so many benefits.
> 
> I'd consider btrfs, but I'd have to dig into whether the reliability
> issues have been solved. I was using that for a while, but I found
> that even features that were touted as reliable had problems from time
> to time.  That was years ago, however.  On paper I think it is the
> better option, but I just need to confirm whether I can trust it.

I actually looked into the state of btrfs last week and it's still far from usable and not even 
close to what ZFS offers.

For a good read:
https://arstechnica.com/gadgets/2021/09/examining-btrfs-linuxs-perpetually-half-finished-filesystem/[1]

In short:
- raid5/6/.. are still broken.
- Missing drive prevent boot unless you tell it to accept a missing drive.
- Replacing a broken drive requires a lot of steps to make it sane again

--
Joost

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[1] https://arstechnica.com/gadgets/2021/09/examining-btrfs-linuxs-perpetually-half-finished-filesystem/

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