[OpenIndiana-discuss] server hangs

[Daniel Kjar]

Careful... are you overtaxing your power supply?  My 148 system was 
behaving like that when I put too many drives in an ultra 20.

On 8/31/2011 7:48 PM, Roman Naumenko wrote:
> Hi,
>
> I have SunOS 5.11 oi_148 installed on my storage server with 8 disks 
> in raidz2 pool.
> It hangs about once in a week and I had to restart it.
> Can you help me troubleshoot it?
>
> It has some zfs volumes shared over nfs and afpd. (afpd is 
> unfortunately a development version to satisfy OSX Lion).
>
> roks at data:~$ afpd -V
> afpd 2.2.0 - Apple Filing Protocol (AFP) daemon of Netatalk
>
> afpd has been compiled with support for these features:
>
> AFP3.x support: Yes
> TCP/IP Support: Yes
> DDP(AppleTalk) Support: No
> CNID backends: dbd last tdb
> SLP support: No
> Zeroconf support: Yes
> TCP wrappers support: Yes
> Quota support: Yes
> Admin group support: Yes
> Valid shell checks: Yes
> cracklib support: No
> Dropbox kludge: No
> Force volume uid/gid: No
> ACL support: Yes
> EA support: ad | sys
> LDAP support: Yes
>
> It also has time-slider enabled, which is pretty buggy peace of hmmm 
> software, but it shouldn't cause server to crash or hang.
>
> So the problems start with nfs and/or afpd timeouts on clients, but I 
> still can ssh to the server. Can't read any files or logs though.
> Then network service disappears in a minute or few minutes, console 
> becomes frozen and I have to do hard restart at that point.
>
> Where should I look to understand what causing this?
> Since I can't reproduce the problem, I'd like to get prepared when it 
> happens next time.
> I couldn't find anything unusual in the logs after restart.
>
> time-slider complains for some reason about space on rpool
> Aug 31 19:41:36 data time-sliderd: [ID 702911 daemon.notice] No more 
> hourly snapshots left
> Aug 31 19:41:36 data time-sliderd: [ID 702911 daemon.warning] rpool 
> exceeded 80% capacity. Hourly and daily automatic snapshots were 
> destroyed
>
> Where does it see 80%?
>
> $ df -h
>
> Filesystem            Size  Used Avail Use% Mounted on
> rpool/ROOT/solaris    5.5G  3.0G  2.6G  54% /
> swap                  1.4G  396K  1.4G   1% /etc/svc/volatile
> /usr/lib/libc/libc_hwcap1.so.1 5.5G  3.0G  2.6G  54% /lib/libc.so.1
> swap                  1.4G  8.0K  1.4G   1% /tmp
> swap                  1.4G   52K  1.4G   1% /var/run
> rpool/export          2.6G   32K  2.6G   1% /export
> rpool/export/home     2.6G   33K  2.6G   1% /export/home
> rpool/export/home/usr1 2.6G   38K  2.6G   1% /export/home/usr1
> rpool/export/home/usr2 3.0G  385M  2.6G  13% /export/home/usr2
> rpool                 2.6G   48K  2.6G   1% /rpool
>
>
> --Roman
>
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-- 
Dr. Daniel Kjar
Assistant Professor of Biology
Division of Mathematics and Natural Sciences
Elmira College
1 Park Place
Elmira, NY 14901
607-735-1826
http://faculty.elmira.edu/dkjar

"...humans send their young men to war; ants send their old ladies"
	-E. O. Wilson