[TriLUG] No BTRFS in RHEL8/Centos8?

[Mauricio Tavares via TriLUG]

On Wed, Jan 22, 2020 at 4:43 PM brian mullan via TriLUG
<trilug at trilug.org> wrote:
>
> @Joseph Mack
>
> regarding...
>
> > Jim Salter (speaker Aug 2018) says it eats your data. Maybe other people
> > are
> > unhappy with it.
>
>
> BTRFS is and has been quite solid for 2 years or so.
>
> There is one well known area where its "possible" for BTRFS to "eat data"
> and that is when you use RAID5/6 and what was termed the BTRFS "*write hole*"
> problem.
>
> A short but sweet explanation of the problem:
> https://btrfs.wiki.kernel.org/index.php/RAID56
>
> But other questions might be answered here:
> https://btrfs.wiki.kernel.org/index.php/Using_Btrfs_with_Multiple_Devices
>
> I've used BTRFS Raid 10 with quite a few drives and its been solid for a
> long time now.
>
> ZFS works great on linux also but depending on amount of storage the
> additional RAM requirements can present a sticky point with some servers and
> replacing a failed disk in a Raid array is quite a bit more involved than
> with BTRFS.
>
      I would like to add that AFAIK Linus Torvalds and GKH are trying
to get ZFS out of Linux.
https://arstechnica.com/gadgets/2020/01/linus-torvalds-zfs-statements-arent-right-heres-the-straight-dope/
> XFS also supports Copy-On-Write now so those are all 3 good systems
> available.
>
> https://btrfs.wiki.kernel.org/index.php/Using_Btrfs_with_Multiple_Devices
>
> Phoronix fairly recently tested FreeBSD ZFS vs. Linux EXT4/Btrfs RAID With
> Twenty SSDs
> <https://www.phoronix.com/scan.php?page=article&item=freebsd-12-zfs&num=1>
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