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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-users] Linux software RAID1 (Dom0 or domU)?
On Thursday 01 February 2007, Jensen Nathan A Capt USAFA/DFCS wrote: > My fear is: > > 1. I am totally hosed if my RAID server tanks the 'standard' answer would be: "do a mirror (RAID 1) of your RAID boxes"; but i think this could be interpreted at least two ways: A) - set your RAID servers in pairs - use md to do RAID1 of each pair - each RAID1 (of two RAID servers) is one PV in your big VG .... but it's not clear 'who' does that RAID1 B) - each RAID server is one PV in your big VG - create two LVs for each volume you want, make sure they're on different PVs - do a RAID1 of those two LVs - feed that RAID1 device to Xen since each volume is used only by one DomU at a time, it's clear that each RAID1 is responsibility of only one Dom0 .... but i don't think md can take a pair of LVs to create a RAID1 so i wonder, can EVMS do it? i guess it can do something like (B), but don't know it by heart -- Javier Attachment:
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