On 13/11/2017 16:20, Zdenek Kabelac wrote:
Are you talking about RH bug 1388632?
https://bugzilla.redhat.com/show_bug.cgi?id=1388632
Unfortunately I can only view the google-cached version of the bugzilla
page, since the bug is restricted to internal view only.
that could be similar issue yes
But the google-cached version suggests that the bug is mainly hit when
removing the raid-backed cache pool under IO.
I my scenario, no modification (like cache removal) of the lvm setup was
done when the blocks occured.
Easiest is to check 'dmsetup status' - just to exclude if it's frozen
raid case.
Hi Zdeneck,
due to how easy is to trigger the bug, it seems a very serious problem
to me. As the bug report is for internal use only, can you shed some
light on what causes it and how to avoid?
Specifically can you confirm that, if using an "old-school" mdadm RAID
device, the bug does not apply?
Thanks.
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