[OpenIndiana-discuss] server hangs

[Roman Naumenko]

Costly troubleshooting you had. 
All right then, I will wait for the next failure to look through it once again and maybe swap psu if nothing again found. 

--Roman N 

----- Original Message -----

> I burned through about 3 disks before I figured it out. Nothing in
> the
> logs made me think this but the eventual failure of the disks alerted
> me
> that something hardwarish was happening.

> On 08/31/11 11:01 PM, Roman Naumenko wrote:
> > Well, might be the reason. 8 drivers is certainly limit too much
> > for a
> > stock psu. But there should be some traces, no?
> > How did you figure out the reason for errors on your system?
> >
> > --Roman
> >
> > Daniel Kjar said the following, on 31-08-11 9:43 PM:
> >> 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
> >>>
> >>> _______________________________________________
> >>> OpenIndiana-discuss mailing list
> >>> OpenIndiana-discuss at openindiana.org
> >>> http://openindiana.org/mailman/listinfo/openindiana-discuss
> >>
> >
> > _______________________________________________
> > OpenIndiana-discuss mailing list
> > OpenIndiana-discuss at openindiana.org
> > http://openindiana.org/mailman/listinfo/openindiana-discuss

> --
> 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
> _______________________________________________
> OpenIndiana-discuss mailing list
> OpenIndiana-discuss at openindiana.org
> http://openindiana.org/mailman/listinfo/openindiana-discuss