On Wed, Jul 25, 2018 at 5:41 PM Alex Gorbachev <[email protected]> wrote:
> I am not sure this related to RBD, but in case it is, this would be an > important bug to fix. > > Running LVM on top of RBD, XFS filesystem on top of that, consumed in RHEL > 7.4. > > When running a large read operation and doing LVM snapshots during > that operation, the block being read winds up all zeroes in pagecache. > > Dropping the caches syncs up the block with what's on "disk" and > everything is fine. > > Working on steps to reproduce simply - ceph is Luminous 12.2.7, RHEL > client is Jewel 10.2.10-17.el7cp > Is this krbd or QEMU+librbd? If the former, what kernel version are you running? > > -- > Alex Gorbachev > Storcium > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -- Jason
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