Mailinglist Archive: opensuse (3156 mails)

[Aaron Kulkis <akulkis00@xxxxxxxxxx>]

Matthew Stringer wrote:
> On Tuesday 04 December 2007 17:22:24 James Knott wrote:
> > Matthew Stringer wrote:
> > > On Tuesday 04 December 2007 15:27:06 James Knott wrote:
> > > > Matthew Stringer wrote:
> > > > > I don't normally SoftRAID the swap partitions as it would be faster
> > > > > just to have multiple ones instead (you're not limited to one).
> > > > Given one of the goals of RAID is to keep the system running when a
> > > > drive fails,  what happens when a drive containing swap croaks?
> > > Your available swap space would be reduced, doesn't cause the system to
> > > fail.
> > And when it goes to retrieve the contents of that swap that's no longer
> > there?  Drives do fail occasionally, when the system is running.
>
> If you swap over multiple partitions the data is automatically striped, it 
> usually copes OK if a drive blobs Linux is fairly stable these days when it 
> comes to read/write errors. I think you're splitting hairs if you think that 
> sotfRAID1 gives you enough extra stability which outweighs the reduction in 
> performance.

Striping does not provide any protection from device failure.
I think you have it confused with MIRRORING, which does provide
some safety against device failure.



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