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shaba/lvm2

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Commit Graph

Author	SHA1	Message	Date
Heinz Mauelshagen	7d6cf12554	lvcreate: reject '--nosync' option for RAID6 LVs The MD raid6 personality being used to drive lvm raid6 LVs does read-modify-write updates to any stripes and thus relies on correct P and Q Syndromes being written during initial synchronization or it may fail reconstructing proper user data in case of SubLVs failing. We may not allow the '--nosync' option on creation of raid6 LVs for that reason. Update/fix 'man lvcreate' in that regard. add lvcreate-raid-nosync.sh test script. - Resolves rhbz1358532	2016-08-08 13:52:35 +02:00

Author

SHA1

Message

Date

Heinz Mauelshagen

7d6cf12554

lvcreate: reject '--nosync' option for RAID6 LVs

The MD raid6 personality being used to drive lvm raid6 LVs does
read-modify-write updates to any stripes and thus relies on correct
P and Q Syndromes being written during initial synchronization or
it may fail reconstructing proper user data in case of SubLVs failing.

We may not allow the '--nosync' option on
creation of raid6 LVs for that reason.

Update/fix 'man lvcreate' in that regard.

add lvcreate-raid-nosync.sh test script.

- Resolves rhbz1358532

2016-08-08 13:52:35 +02:00

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