On 2013 Jan 03 (Thu) at 14:49:35 +0100 (+0100), Loïc Blot wrote:
:Hello,
:Since this morning is get a high uptime value for server load, but the
:server does nothing. It's our CARP backup gateway for our clients, and
:it stays in backup mode since few month.
:
:The CPU does nothing special, the gateway is waiting failover, the
:memory isn't used (3G/16G Ram), and disk IO are normal.
:
Not true.
:Here is my systat output:
:
:
:++++++++++++++++++++++++
: 1 users Load 21.49 21.47 21.21 Thu Jan 3
:14:45:36 2013
:
: memory totals (in KB) PAGING SWAPPING
:Interrupts
: real virtual free in out in out 2595
:total
:Active 1987252 1987252 13376804 ops 398
:clock
:All 2862376 2862376 30156692 pages 1714
:ipi
:
:acpi0
:Proc:r d s w Csw Trp Sys Int Sof Flt forks 408
:mfi0
: 23 11 2993 116 4839 481 251 80 fkppw 26
^^
You have 23 processes waiting on disk IO. This is what is causing the
load.
:em0
: fksvm 49
:em1
: 0.2%Int 1.4%Sys 0.2%Usr 0.0%Nic 98.2%Idle pwait
:ehci0
:| | | | | | | | | | | relck
:ehci1
:= rlkok
:ahci0
: noram
:Namei Sys-cache Proc-cache No-cache 3 ndcpy
: Calls hits % hits % miss % fltcp
: 7722 6252 81 1157 15 5 zfod
: cow
:Disks sd0 cd0 135326 fmin
:seeks 180434 ftarg
:xfers 407 itarg
:speed 11M 4 wired
: sec 1.0 pdfre
: pdscn
: pzidle
: 17 kmapent
:
: 162
:IPKTS
: 56
:OPKTS
:+++++++++++++++++++++++
:
:Do you have any idea why uptime usage is so high ?
:
:Thanks for advance
:
:--
:Best regards,
:
:
:Lo??c BLOT, Engineering
:UNIX Systems, Security and Networks
:http://www.unix-experience.fr
:
--
Know what I hate most? Rhetorical questions.
-- Henry N. Camp