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тАО07-09-2009 10:55 AM
тАО07-09-2009 10:55 AM
http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=1354068
I am on HP-UX 11.11 running on EMC CLARiiON Storage. Nothing is archived, so environments are always getting bigger. 11.11 cannot recognize if I increase the LUN sizes on EMC.
I understand that I can always add more LUNS and create more Volume groups. But for manageability purposes I would rather have 1 LUN for each volume group (unless I have a volume group spread among multiple Raid Groups).
Many Environments are test/development LUNS. When these run out of space, I would like to remove the old smaller logical disk, and assigne a new larger disk and used the same Host ID (c#t#d#). I ran into issues on my previous thread.... I think because I pvremoved the smaller disk. so this is what I plan on doing next time.
1) (hp) vgremove
2) (hp) rmsf -H (all 4 paths to 1 disk)
3) (emc) unpresent old smaller LUN
4) (emc) unbind old smaller LUN
5) (emc) bind new larger LUN
6) (emc) present new larger LUN
7) (hp) insf to assign special files
8) (hp) pvcreate -f
There are some emc commands on this thread
http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=1216745
that talk about these EMC commands. Not sure where and if I should to do multiple times.
symcfg discover
powermt check
powermt config
powermt save
Solved! Go to Solution.
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тАО07-09-2009 11:23 AM
тАО07-09-2009 11:23 AM
Re: Proc for removing/adding larger disks w EMC Storage
It looks fine to me
1. powermt display dev=all to check current status
2) vgexport
3) rmsf -H (all 4 paths to 1 disk)
4) unpresent old smaller LUN
5) unbind old smaller LUN
6) bind new larger LUN
7) present new larger LUN
8) insf -eC Disk to assign special files
9) powermt display dev-all
10 pvcreate -f
Regards
Sanjeev
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тАО07-09-2009 12:48 PM
тАО07-09-2009 12:48 PM
Re: Proc for removing/adding larger disks w EMC Storage
symcfg discover
powermt check
powermt config
powermt save
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тАО07-09-2009 01:23 PM
тАО07-09-2009 01:23 PM
Solutionif you have EMC powerpath installed in your system. then you can do like
symcfg discover
ioscan -fnC disk
insf -eC disk
symcfg discover
powermt check
powermt config
powermt save
powermt display paths
symcfg discover - SYMCFG can be used to discover new EMC arrays or to update the contents of the [SYMAPI database]? to reflect any changes to previously discovered arrays.
powermt check - check for paths and optionally remove dead paths.
powermt config - Configure logical devices as powerpath devices.
powermt save - Save the powerpath configuration.
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тАО07-09-2009 01:58 PM
тАО07-09-2009 01:58 PM
Re: Proc for removing/adding larger disks w EMC Storage
Thank you for the order of when to put them, and also for the descriptions