Mailinglist Archive: opensuse (3785 mails)
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Re: [SLE] Raid 0 speed question
- From: "Carlos E. R." <robin1.listas@xxxxxxxxxx>
- Date: Fri, 10 Oct 2003 14:01:23 +0200 (CEST)
- Message-id: <Pine.LNX.4.53.0310101352020.3281@xxxxxxxxxxxxxxxx>
The 03.10.10 at 09:40, H du Plooy wrote:
> In 2a) my question is: I have identified the two partitions that would
> be used most heavily - /var and swap. Should I put these both on the
> faster drive, or on seperate drives. After reading your reply (the part
> about /usr and /opt, I think those two on different drives would be
Both together on a diferent disk than the rest of the system, I think, and
probably on the faster disk, if that is where most of your write
operations will be.
> By the way, your idea for /usr and /opt is pretty good - I'll definitely
> keep that in mind!
Thanks, but it is not mine: I read it on the SuSE manual years ago :-)
Ah, by the way: it is possible to have /usr on a separate partition, but I
found that sometimes -- when init sequence detects errors on the disk and
doesn't mount anything but "/" -- that some programs fail to run. If those
programs include things like fsck, you are hoosed and need the rescue CD.
This happened to me.
Just to clarify, I meant having '/opt' in a partition on a diferent HD
than the partition where directory '/usr' resides (on its own, or as part
> > Of course, it seems that raid 0 would be faster for everything, but at the
> > same time, it needs some processing time overhead, and it is more
> > vulnerable.
> Vulnerability is not really a worry, there won't be anything on that's
> perticularly valuable or irreplaceable. Just the time lost having to
> re-install, but that I do in an evening. No big deal.
Have a good backup, or an image.
> Processing power is another thing, but having done software raid on a
> P-I 133 with the same class disc, I'm not too worried. The overhead
> there certainly didn't present any problems, so it shouldn't on this
> Thanks for the replies...
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