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тАО05-19-2011 12:49 AM
тАО05-19-2011 12:49 AM
pvmove on mounted production server
is it safe to do pvmove on mounted production server?
I'd like to remove PV from VG, after shrinking the FS as the utilization is low.
it's hp-ux 11.11
thank you
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тАО05-19-2011 05:45 AM
тАО05-19-2011 05:45 AM
Re: pvmove on mounted production server
Bill Hassell, sysadmin
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тАО05-20-2011 06:28 AM
тАО05-20-2011 06:28 AM
Re: pvmove on mounted production server
better you post vgdisplay -v o/p for vg.
then tellme what you want.
pvmove is safe but must be used carefully.
Regards,
Awadhesh
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тАО05-21-2011 01:12 PM
тАО05-21-2011 01:12 PM
Re: pvmove on mounted production server
What you are trying to do is standard procedure. Moving extents off a disk that is underutilized and making it usable on a more appropriate volume group.
Just one word of caution, careless pvmove's, lvextend's etc can lead to the fragmentation of the extent space on LVM which is a prominent concept on the line of Monitoring Performance on LVM. And the obvious tool would be something like a generic unix tool like sar or let's say a more known form on HPUX called as glance.
Regards
Ismail Azad
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тАО06-09-2011 04:01 AM
тАО06-09-2011 04:01 AM
Re: pvmove on mounted production server
Its possible but if your server is having heavy IO this PV move will creating performance issue .
BDD