Ahoy. This morning, I awoke to the following on one of my servers:
pid 59630 (httpd), uid 80, was killed: out of swap space
pid 59341 (find), uid 0, was killed: out of swap space
pid 23134 (irssi), uid 1001, was killed: out of swap space
pid 49332 (sshd), uid 1001, was killed: out of swap space
pid 69074 (httpd), uid 0, was killed: out of swap space
pid 11879 (eggdrop-1.6.19), uid 1001, was killed: out of swap space
...
And so on.
The machine is:
FreeBSD exodus.poly.edu 8.2-PRERELEASE FreeBSD 8.2-PRERELEASE #2: Thu
Dec 2 11:39:21 EST 2010
sp...@exodus.poly.edu:/usr/obj/usr/src/sys/EXODUS amd64
10:13AM up 120 days, 20:06, 2 users, load averages: 0.00, 0.01, 0.00
The memory line from top intrigued me:
Mem: 16M Active, 48M Inact, 6996M Wired, 229M Cache, 828M Buf, 605M Free
The machine has 8 gigs of memory, and I don't know what all that wired
memory is being used for. There is a large-ish (6 x 1.5-TB) ZFS RAID-Z2
on it which has had a disk in the UNAVAIL state for a few months:
# zpool status
pool: home
state: DEGRADED
status: One or more devices could not be used because the label is
missing or
invalid. Sufficient replicas exist for the pool to continue
functioning in a degraded state.
action: Replace the device using 'zpool replace'.
see: http://www.sun.com/msg/ZFS-8000-4J
scrub: none requested
config:
NAME STATE READ WRITE CKSUM
home DEGRADED 0 0 0
raidz2 DEGRADED 0 0 0
ada0 ONLINE 0 0 0
ada1 ONLINE 0 0 0
ada2 ONLINE 0 0 0
ada3 ONLINE 0 0 0
ada4 ONLINE 0 0 0
ada5 UNAVAIL 0 85 11 experienced I/O failures
errors: No known data errors
"vmstat -m" and "vmstat -z" output:
http://acm.poly.edu/~spawk/vmstat-m.txt
http://acm.poly.edu/~spawk/vmstat-z.txt
Anyone have a clue? I know it's just going to happen again if I reboot
the machine. It is still up in case there are diagnostics for me to run.
-Boris
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