Another correction below: On Tue, Aug 14, 2018 at 11:50:03AM +0000, Matthew Crews wrote: > On 8/14/18 3:26 AM, Stefan K wrote: > > Hello, > > > > I'm just just curious. > > In the beginning of btrfs, most blogs, websites, magazins said btrfs will > > be THE next standard linux filesystem, so now after araound 10years it > > doesn't look so good, or? > > > > Who use btrfs in production? What do you think - does have btrfs a feature > > (because ZFS on Linux is more and more stable, RedHat said we don't want > > btrfs anymore and focus to xfs) > > > > I use btrfs on some new bare-metal machines for the root-disks, because it > > has a build-in RAID1 and snapshots, I know LVM and md-raid have also this > > possibilities but in btrfs it is much easier. I don't use it for data or > > other things(mail, database, etc), cause it is slow compared to ext4/xfs. > > I'm also wondering why the hell btrfs don't support ssd's for caching like > > zfs. > > > > thanks for you opinions! > > > > best regards > > Stefan > > > > BTRFS is still used by default on OpenSUSE. > > BTRFS has *mostly* feature parity with ZFS, and is considered "stable" > for every day use, with the exception that Raid5/6 is still extremely > dangerous to use in production. It also has the benefit of being > included in the Linux kernel, and is usable by the Debian installer out > of the box (so you can easily use it in Debian, whereas ZFS on root for > Debian is not easy) > > https://btrfs.wiki.kernel.org/index.php/Status > > Licensing issues with OpenZFS prevent it from being included in the > Linux kernel, and on Debian by default. > > Personally I use BTRFS on a NAS with RAID10, and I have no problems. The > main selling point for me is data integrity and repair, something that > LVM and md-raid do not do. > > BTRFS also makes it extremely easy to expand an array if you add more > disks, WITHOUT mucking around with LVM and md-raid. Just a simple > command (something that ZFS cannot easily do at this time) > > btrfs device add /dev/sdX /path/to/array > btrfs filesystem balance /path/to/array
“as simple as zpool add <pool name> <dev name>” >From here: http://list.zfsonlinux.org/pipermail/zfs-discuss/2018-August/031938.html Note that ZoL does not yet auto-rebalance (although there is at least one script around to do it manually - copying files - and rebalance can also be done manually with: zfs send ...; zfs receive ... > As an aside, the topic of BTRFS comes up every so often on this list. > Its worth searching the list archives: > > https://lists.debian.org/cgi-bin/search?P=btrfs&B=Gdebian-user > > Cheers > >
