On 2017-08-04 11:12 AM, Przemek Klosowski wrote:
The release notes for RHEL 7.4 announce that RedHat gave up on btrfs:
Is it only RHEL?
What are other distros doing?
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?
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