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Re: 12 disks raid setup
- From: Mark Kirkwood <markir(at)paradise(dot)net(dot)nz>
- To: Greg Smith <gsmith(at)gregsmith(dot)com>
- Cc: Franck Routier <franck(dot)routier(at)axege(dot)com>, pgsql-performance <pgsql-performance(at)postgresql(dot)org>
- Subject: Re: 12 disks raid setup
- Date: Sat, 01 Mar 2008 11:33:10 +1300
- Message-id: <47C88826.4040209@paradise.net.nz> <text/plain>
Greg Smith wrote:
The only real downside of md RAID is that if you lose the boot device it can be tricky to get the system to start again; hardware RAID hides that little detail from the BIOS. Make sure you simulate a failure of the primary boot drive and are comfortable with recovering from that situation before you go into production with md.
+1I usually ensure there is a separate /boot that is setup RAID1 (with md using all the disks for the RAID1 - so the I can keep the partition map the same for all the disks, otherwise it is fiddly!)
Cheers Mark
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