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Rootvg in read only state

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Homework and Emergencies Emergency UNIX and Linux Support Rootvg in read only state
# 15  
Old 01-30-2013
Oh yes. You are right.
I got more from EMC -
"This is the recommended setting when we are using OEL/RHEL 5.X with PowerPath. There is probability that LVM and Powerpath started working together and clashing resulting the reported issue.
Actually, setting the _netdev option will delay the mount of the filesystem on the PowerPath devices.PowerPath doesn't rely on the network, but delaying until network start ensures that LVM has completed its tasks and thus avoid a race condition"
# 16  
Old 01-30-2013
Yep - that all sounds correct. OCFS2 uses network-based heartbeat and that's why we used the _netdev option - but it should also work for PowerPath-based devices too.

Now I might go back and fix those old IBMsdd issues too, with _netdev - should work there too Smilie
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