| To: | Stefan Ring <stefanrin@xxxxxxxxx> |
|---|---|
| Subject: | Re: XFS: Abysmal write performance because of excessive seeking (allocation groups to blame?) |
| From: | Emmanuel Florac <eflorac@xxxxxxxxxxxxxx> |
| Date: | Mon, 9 Apr 2012 15:03:06 +0200 |
| Cc: | stan@xxxxxxxxxxxxxxxxx, Linux fs XFS <xfs@xxxxxxxxxxx> |
| In-reply-to: | <CAAxjCEzKtQ+7yrQf1x-wyTMjp1tS1Vy6Rei2xLwTbBzOhEZ6YA@xxxxxxxxxxxxxx> |
| Organization: | Intellique |
| References: | <CAAxjCEwBMbd0x7WQmFELM8JyFu6Kv_b+KDe3XFqJE6shfSAfyQ@xxxxxxxxxxxxxx> <20350.9643.379841.771496@xxxxxxxxxxxxxxxxxx> <20350.13616.901974.523140@xxxxxxxxxxxxxxxxxx> <CAAxjCEzkemiYin4KYZX62Ei6QLUFbgZESdwS8krBy0dSqOn6aA@xxxxxxxxxxxxxx> <4F7F7C25.8040605@xxxxxxxxxxxxxxxxx> <CAAxjCEyJW1b4dbKctbrgdWjykQt8Hb4Sw1RKdys3oUsehNHCcQ@xxxxxxxxxxxxxx> <4F8055E4.1000808@xxxxxxxxxxxxxxxxx> <CAAxjCEz8TpRvjvbuYPp1xf9X2HwskN5AuPak62R5Jhkg+mmFHA@xxxxxxxxxxxxxx> <20120409144847.117b42b5@xxxxxxxxxxxxxx> <CAAxjCEzKtQ+7yrQf1x-wyTMjp1tS1Vy6Rei2xLwTbBzOhEZ6YA@xxxxxxxxxxxxxx> |
Le Mon, 9 Apr 2012 14:53:14 +0200 vous écriviez:
> In this case it was a 2-disk RAID 1, so it’s 150 MB/s per disk. Seems
> quite right to me.
Yes sorry, I though it to be the 6 drives array speed. Seen it just
after hitting "send", but there is no "supersede" in mailing lists :-)
--
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Emmanuel Florac | Direction technique
| Intellique
| <eflorac@xxxxxxxxxxxxxx>
| +33 1 78 94 84 02
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