| To: | Ralf Gross <Ralf-Lists@xxxxxxxxxxxx>, linux-xfs@xxxxxxxxxxx |
|---|---|
| Subject: | Re: mkfs options for a 16x hw raid5 and xfs (mostly large files) |
| From: | "Bryan J. Smith" <thebs413@xxxxxxxxx> |
| Date: | Wed, 26 Sep 2007 10:08:25 -0700 (PDT) |
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| Reply-to: | b.j.smith@xxxxxxxx |
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Ralf Gross <Ralf-Lists@xxxxxxxxxxxx> wrote: > You're right, but these benchmarks help to find simple failures or > misconfigurations at an earlier stage of the process. Yes, as long as you are comparing to a benchmark of a known, similar quantity. It's not uncommon for Linux's RAID-5 to be 2-3x faster at dd and single file operations, especially if there are no, actual parity operations. -- Bryan J. Smith Professional, Technical Annoyance b.j.smith@xxxxxxxx http://thebs413.blogspot.com -------------------------------------------------- Fission Power: An Inconvenient Solution |
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