Re: lenteur de reconstruction raid5 logiciel
On Thu, 22 Jun 2006 16:24:48 +0200
"Jean-Yves F. Barbier" <7ukwn@free.fr> wrote:
> ^^^^
> Etranges ces disparités!
>
> que donne:
> # hdparm -Tt /dev/sdX
> et:
> # hdparm -Tt /dev/mdN
> ???
~# hdparm -t /dev/md[0-3]
/dev/md0:
Timing buffered disk reads: 212 MB in 3.00 seconds = 70.60 MB/sec
/dev/md1:
Timing buffered disk reads: 218 MB in 3.04 seconds = 71.67 MB/sec
/dev/md2:
Timing buffered disk reads: 194 MB in 3.00 seconds = 64.62 MB/sec
/dev/md3:
Timing buffered disk reads: 212 MB in 3.00 seconds = 70.57 MB/sec
~# hdparm -t /dev/sd[a-c]
/dev/sda:
Timing buffered disk reads: 216 MB in 3.01 seconds = 71.81 MB/sec
/dev/sdb:
Timing buffered disk reads: 222 MB in 3.01 seconds = 73.83 MB/sec
/dev/sdc:
Timing buffered disk reads: 220 MB in 3.00 seconds = 73.28 MB/sec
>
> JY
> --
> Linux, there's worse...
> but it it's unreliable and overcharged.
--
Vincent Lenouvel - <vincent@info.unicaen.fr>
Université de Caen, Campus II, Bd Maréchal Juin, BP 5186, 14032 Caen
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