[CentOS] Suggestions for partition
Feizhou
feizhou at graffiti.net
Wed May 9 13:06:12 UTC 2007
> HW vs SW RAID: Kind of a religious question. HW has some advantages when using
> RAID-5 or RAID-6 (less CPU load). When using RAID-0 or RAID-1 there should
> not be any difference performance wise. HW RAID gives you some advantages in
> terms of handling, i.e. hotplugging of discs, nice administration console,
> RAID-10 during install ;-), etc. It's up to you to decide whether it is worth
> the money. Plus you need to find a controller that is well supported in
> Linux.
Hardware raid that comes with bbu write caches normally have a speed
boost in addition to the extra data safety too.
>
> P.p.s. Creating one swap partition on each disc is correct, because swapping
> to RAID-0 is useless. Only if you decide to use RAID-1 for the whole disc you
> should also swap to RAID-1.
>
creating one swap partition on each disc is equivalent to swapping to
raid 0...linux automatically strips/spreads swap data to all available
swap areas.
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