Re: install Etch with raid level 10

[Goswin von Brederlow <brederlo@informatik.uni-tuebingen.de>]

Giacomo Mulas <gmulas@ca.astro.it> writes:

> On Wed, 26 Sep 2007, A J Stiles wrote:
>
>> Also, *don't* use a RAID1 for swap space:  it impacts performance with
>> little practical benefit.
>
> Just for the sake of knowing: doesn't it have the (possibly very important)
> benefit that your computer will not crash due to memory corruption if one of
> your swap partition goes ga-ga? I suppose this would be the only reason to
> possibly do swap on raid.
>
> Bye
> Giacomo

True but not the only reason. Random access time for read goes down
for raid1 and if you don't have a bottleneck raid1 will not be
noticeably slower than a signle disk on write. As swapin is totaly
random normaly that would be probably twice as fast on raid1 compared
to one disk.

MfG
        Goswin