swap/tmp on striping?

fluca1978

fluca1978

I was wondering if, having a RAID controller that can do striping (3,5) does it make sense to use striped disks for swap and /tmp (without tmpfs). I suppose there is no need for parity, but am I expected to have a performance boost?
 
For /tmp it would make sense. For swap not so much. If one of the disks dies the entire stripe set goes, leaving you without any swap. Mirroring or RAID5 would be possible but I usually just create separate swap areas on all disks. The system will stripe them for you automatically.
 
I'm wondering how processes that use /tmp cope when it suddenly goes away due to a failed drive. I tend to have all of my storage redundant with exception of the L2ARC device I use for ZFS caching.
 
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