| To: | Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx>, b.j.smith@xxxxxxxx |
|---|---|
| Subject: | Re: [UNSURE] Re: mkfs options for a 16x hw raid5 and xfs (mostly large files) |
| From: | "Bryan J. Smith" <b.j.smith@xxxxxxxx> |
| Date: | Wed, 26 Sep 2007 10:35:13 -0700 (PDT) |
| Cc: | Ralf Gross <Ralf-Lists@xxxxxxxxxxxx>, linux-xfs@xxxxxxxxxxx |
| In-reply-to: | <Pine.LNX.4.64.0709261327060.24646@p34.internal.lan> |
| Reply-to: | b.j.smith@xxxxxxxx |
| Sender: | xfs-bounce@xxxxxxxxxxx |
Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx> wrote: > So what tunables do the 9550/9650SE users utilize to achieve > 500 > MiB/s write on HW RAID5/6? Don't know. But I've never claimed it was capable of it either. At the same time, I've seen software RAID do over 500MBps, only to drop to under 50MBps aggregate client DTR under load. -- Bryan J. Smith Professional, Technical Annoyance b.j.smith@xxxxxxxx http://thebs413.blogspot.com -------------------------------------------------- Fission Power: An Inconvenient Solution |
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