"swap_pager" loop?
Paulius Bulotas
paulius at devnull.lt
Tue Dec 19 09:06:15 PST 2006
Hi,
On 06 12 19, Ken Sallot wrote:
> > That message is printed when a timeout appears while waiting
> > for the swap device. I've seen such problems when the disk
> > or the controller was dead or malfunctioning. Are you sure
> > that your hardware is OK, i.e. no disk errors, good cables
> > etc.?
FreeBSD 6.2-RC1 #1: Sun Dec 10 12:34:12 EET 2006
root at ...:/usr/obj/usr/src/sys/SMP
Nov 24 00:18:44 sh kernel: swap_pager: indefinite wait buffer: bufobj:
0, blkno: 160, size: 4096
Nov 24 00:21:43 sh kernel: swap_pager: indefinite wait buffer: bufobj:
0, blkno: 160, size: 4096
# swapinfo
Device 1K-blocks Used Avail Capacity
/dev/amrd0s1b 1048576 884 1047692 0%
so, you are not alone ;) only our server recovers after 1 or 2 minutes.
Previously it was running 6.1-STABLE, now it's 6.2-RC1 and so far so
good, but that's probably only temporary.
BTW, before we used megarc for monitoring (through nagios each 5
minutes), now amrstat each 15 minutes.
# amrstat -g
Product <Intel(R) RAID Controller SRCZCRX>
Firmware 414D
BIOS H431
SCSI channels 2
Fibre loops 0
Memory size 128 MB
Battery status not present, charge unknown
Logical volume 0 optimal (339.93 GB, RAID5)
Physical drive 0:0 online
Physical drive 0:1 online
Physical drive 0:2 online
Physical drive 0:3 online
Physical drive 0:4 online
Physical drive 0:5 online
Paulius
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