On Fri, Aug 4, 2017 at 11:12 AM, Przemek Klosowski <przemek.klosowski@xxxxxxxx> wrote: > The release notes for RHEL 7.4 announce that RedHat gave up on btrfs: > > https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/7.4_Release_Notes/chap-Red_Hat_Enterprise_Linux-7.4_Release_Notes-Deprecated_Functionality.html > > Btrfs has been deprecated > > The Btrfs file system has been in Technology Preview state since the initial > release of Red Hat Enterprise Linux 6. Red Hat will not be moving Btrfs to a > fully supported feature and it will be removed in a future major release of > Red Hat Enterprise Linux. > The Btrfs file system did receive numerous updates from the upstream in Red > Hat Enterprise Linux 7.4 and will remain available in the Red Hat Enterprise > Linux 7 series. However, this is the last planned update to this feature. > > I think RH roadmap is to use XFS over LVM. > > This is a pity---BTRFS features looked attractive: > > - integrated RAID that ties low level (block/stripe) issues with high-level > objects (files); I thought this is important because with brfs filesystem > integrity features filesystem-level trouble could be tied to low level > issues like silent failures on one raid element. This is important and > unique: I had seen failures of large volumes both on proprietary RAID > hardware and in software RAID, due to silent corruption of one element of > the array, that propagated to other healthy elements. > > - snapshotting/rollbacks that enable recovery system update failures and > other nice functionality > > - scalable support for really large file systems (reasonable fsck times, > etc) > > Are people who care about mass storage issues aware of RedHat's plans and > are OK with the situation? Are there any other options apart from what > RedHat is planning? > I'm not particularly pleased with their decision. I think the path they're going down is wrong, and they should really reconsider. However, I'm reading over their Stratis whitepaper before I formulate a response about it. I don't think they fully understand how the Stratis path cannot replace what Btrfs gives you, and the irony about this is that the Btrfs developers been working on fixing the major remaining issues with RAID this year and it looks like it'll be much better next year. All of my CentOS 7 servers (and my one RHEL 7 box) use Btrfs, because it's so much better than the alternatives. -- 真実はいつも一つ！/ Always, there's only one truth! _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx
