From: Alex Murygin <murygin@aitoc.com>
To: community@altlinux.ru
Subject: [Comm] io perfomance tuning
Date: Wed, 21 Jul 2004 18:56:26 +0300
Message-ID: <20040721185626.246030f1.murygin@aitoc.com> (raw)
День добрый.
Идет раздача контента по nfs на 10 машин.
Сервер debian/unstable с nfs-kernel-server и ext3. Raid-5 на 3ware 8506
(10 Serial ATA).
Клиенты freebsd 4.10.
Отчего такой высокий %util при таком низком rsec/s? Что можно почитать
по этому поводу?
$ uname -a
Linux dedicated 2.4.25-1-386 #2 Wed Apr 14 19:38:08 EST 2004 i686
GNU/Linux
$ iostat -dkx 10
....
Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
scsi/host0/bus0/target0/lun0/disc
213.09 71.49 29.69 3.12 1942.19 592.04 971.10 296.02 77.25 0.00 0.76 0.42 1.38
....
scsi/host0/bus0/target0/lun0/disc
238.30 1.30 77.60 0.60 2527.20 15.20 1263.60 7.60 32.51 0.56 7.20 5.59 43.70
....
scsi/host0/bus0/target0/lun0/disc
148.80 0.70 5.00 0.90 1230.40 12.80 615.20 6.40 210.71 0.93 158.14 138.64 81.80
....
$ tw_cli
3ware CLI> info c0
Controller: c0
-------------
Driver: 1.02.00.037
Model: 8506-12
FW: FE7S 1.05.00.065
BIOS: BE7X 1.08.00.048
Monitor: ME7X 1.01.00.038
Serial #: F17800A4090020
PCB: Rev5
PCHIP: 1.30-66
ACHIP: 3.20
# of units: 2
Unit 0: RAID 5 1.67 TB ( 3584655360 blocks): OK
Unit 10: SPARE 189.92 GB ( 398295040 blocks): OK
# of ports: 12
Port 0: Maxtor 6Y200M0 Y631TXME 189.92 GB (398297088 blocks): OK(unit 0)
Port 1: Maxtor 6Y200M0 Y631TX5E 189.92 GB (398297088 blocks): OK(unit 0)
Port 2: Maxtor 6Y200M0 Y631VJVE 189.92 GB (398297088 blocks): OK(unit 0)
Port 3: Maxtor 6Y200M0 Y631TZRE 189.92 GB (398297088 blocks): OK(unit 0)
Port 4: Maxtor 6Y200M0 Y631V01E 189.92 GB (398297088 blocks): OK(unit 0)
Port 5: Maxtor 6Y200M0 Y631C6EE 189.92 GB (398297088 blocks): OK(unit 0)
Port 6: Maxtor 6Y200M0 Y631VLCE 189.92 GB (398297088 blocks): OK(unit 0)
Port 7: Maxtor 6Y200M0 Y630VKSE 189.92 GB (398297088 blocks): OK(unit 0)
Port 8: Maxtor 6Y200M0 Y631VKWE 189.92 GB (398297088 blocks): OK(unit 0)
Port 9: Maxtor 6Y200M0 Y631TYHE 189.92 GB (398297088 blocks): OK(unit 0)
Port 10: Maxtor 6Y200M0 Y631XG2E 189.92 GB (398297088 blocks): OK(unit 10)
Спасибо
--
-----------------------
- Alex Murygin, AITOC -
-----------------------
next reply other threads:[~2004-07-21 15:56 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-21 15:56 Alex Murygin [this message]
2004-07-21 16:14 ` Alex Murygin
2004-07-22 18:04 ` Andy Gorev
2004-07-30 18:53 ` Alex Murygin
2004-07-31 8:28 ` Sergey Vlasov
2004-07-31 9:51 ` Alex Murygin
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