Hi, I just wanted to know that I have VG testvg on 2 localdisk lets say 100GB each so VG size is 200GB. Now I wanted to ask 2 questions
1. Can I mirror this VG with SAN drive of equal capacity
2. If yes so is it necessary to have 2 drives from san of 100GB each or should I bring single drive of 200GB or more from San and mirror it with local disks.
Please note that AIX version is 5.3 and this is not rootvg. this VG is data vg. so do recommend is it safe ? As this is TSM server . Also I dont know whether phyisical characteristics of drives to be mirrored should be same or they just mirror it with equal or greater size( SAN disk)
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2 replies Latest Post - 2013-01-03T14:20:21Z by ppereira
Pinned topic Mirroring local disk with san disk
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Updated on 2013-01-03T14:20:21Z at 2013-01-03T14:20:21Z by ppereira
SystemAdmin 110000D4XK6902 Posts
ppereira 0100002RH633 PostsACCEPTED ANSWER
Re: Mirroring local disk with san disk2013-01-03T14:20:21Z in response to SystemAdmin1 - Yes it's possible.
2 - Not necessary. You can just add lets say a single 200GB drive and make copies of the lvs on a way that the copies reside on the san disk.
Be careful on the way that you place the copies. Try to allocate copies in a way that if a single hdisk fails the vg is not compromised.
lspv -l <hdisk_name> will be helpful
Hope this help.