At 11:35 25.11.99 +0100, Thomas Waldmann wrote:
>What's more interesting for me: how about swap on RAID-5 ?
>
>So what's best and definitely working in that case:
>RAID-1 4x mirror (doesn't look like making much sense)
>RAID-1 two 2x mirrors with same swap priority
>RAID-5 swap space on 4 disks (parity calc overhead !?)
Personaly, I've only used raid1, but I can give you a quote from Ingo - and
he should know:
At 14:49 14.04.99 +0200, Ingo Molnar wrote:
>> Hmm? Since when does swapping work on raid-1? How about raid-5?
>
>i've tested it on RAID5, swapping madly to a RAID5 array while parity is
>being reconstructed works just fine.
At 17:39 13.07.99 +0200, Ingo Molnar wrote:
>On Mon, 12 Jul 1999 [EMAIL PROTECTED] wrote:
>> The HOWTO states that swapping on RAID is unsafe, and that is probably
>> unjustified with the latest RAID patches.
>
>yes swapping is safe. It's _slightly_ justified with RAID1 to be fair -
>but i've tried it myself and was unable to reproduce anything bad. Linux
>handles resource starvation much better these days.
So I guess the docs should be changed to state that swapping on raid1+5 is OK.
Bye, Martin.
PS: off list as of tomorrow, in Australia till christmas.
"you have moved your mouse, please reboot to make this change take effect"
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