Mailinglist Archive: opensuse (3156 mails)

[Aaron Kulkis <akulkis00@xxxxxxxxxx>]

James Knott wrote:
> Bill Anderson wrote:
> > There is no need to create the swap partitions as RAID drives. The
> > simple solution is to use the ionice command to set the I/O priority of
> > all swap partitions to the same value. The kernel then treats them in a
> > manner similar to RAID 0. For performance reasons, you don't want
> > anything to slow down swap.
> >
> >   
>
> And what will happen, should a drive containing swap fail, while the
> system is running?  Would you recommend that to someone when uptime is
> critical?

If uptime were absolutely critical, I wouldn't be using
Linux or any standard Unix for that matter.  I would be
have those apps running on QNX or a Stratus server.

QNX is the only OS certified for "life and death"
equipment, such as hospital monitoring machines.

Stratus has a motto:
"What if your brakes worked only 99.9999% of the time?"

This is on a poster showing a car driving down a
twisty, winding mountain road.



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