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Bug 1478147 - multiple asynchronous mirror device failures lead to deadlocks
Summary: multiple asynchronous mirror device failures lead to deadlocks
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: lvm2
Version: 7.4
Hardware: x86_64
OS: Linux
unspecified
medium
Target Milestone: rc
: ---
Assignee: Heinz Mauelshagen
QA Contact: cluster-qe@redhat.com
URL:
Whiteboard:
Depends On: 1325457
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-08-03 17:33 UTC by Corey Marthaler
Modified: 2021-09-03 12:35 UTC (History)
8 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of: 1325457
Environment:
Last Closed: 2020-07-22 21:48:50 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)

Comment 2 Zdenek Kabelac 2017-08-22 13:06:48 UTC
I assume the issue here is - 'dmeventd'  protects against 'failure' of standard running mirror.

As soon as old mirror is 'upconverting'  there is nothing yet to resolve blocked mirror in upconversion  (aka mirror on mirror)


This is nontrivial to resolve, since there is not much devel being done with old mirrors....

Comment 3 Jonathan Earl Brassow 2020-07-22 21:48:50 UTC
closing this bug - don't use 'mirror' segtype, use default 'raid' segtype instead


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