Re: RAID Configuration For New Home Server

[Simon Matthews <simon.d.matthews@gmail.com>]

On Sat, Jun 5, 2010 at 6:04 PM, Keld Simonsen <keld@keldix.com> wrote:
> On Sat, Jun 05, 2010 at 06:56:31PM -0500, Leslie Rhorer wrote:
>> > >        It's certainly workable.  You might consider something other than
>> > > RAID1 for your swap partition.
>> >
>> > Looks reasonable. Some comments:
>> >
>>
>> > 2) I don't use RAID for swap. I let the kernel do that internally. I
>> > almost never swap out on my home server so trying to protect that with
>> > RAID for the few moments I might use it seems like overkill to me.
>>
>>       I halfway agree.  My servers almost never use any significant amount
>> of swap, and even my workstations only use it very occasionally.  There have
>> been instances, however, where the swap has grown to be quite large.  With
>> that in mind, and given the very small amount he has allocated for swap, one
>> might suggest a RAID0 array of the areas to be used for swap, or maybe an
>> LVM volume.
>
> If you use some mirrored RAID for swap, your system will continue to run, if
> one of your disks go bad. Then you can replace the faulty disk at a later,
> and possibly more convenient time.
>
> If you do not have RAID, your system will most likely go down, if the swap partiion
> is damaged.

Or if you put your swap on a  RAID0 device.

Simon.
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