This sounds quite like the problems I've been having with a spotty sata controller and/or motherboard. See my thread from last week about copying large amounts of data that forced a reboot. Lots of good info from engineers and users in that thread.
On Sun, Mar 15, 2009 at 1:17 PM, Markus Denhoff <denh...@net-bite.net> wrote: > Hi there, > > we set up an OpenSolaris/ZFS based storage server with two zpools: rpool is > a mirror for the operating system. tank is a raidz for data storage. > > The system is used to store large video files and has attached 12x1GB > SATA-drives (2 mirrored for the system). Everytime large files are copied > around the system hangs without apparent reason, 50% kernel CPU usage (so > one core is occupied totally) and about 2GB of free RAM (8GB installed). On > idle nothing crashes. Furthermore every scrub on tank hangs the system up > below 1% finished. Neither the /var/adm/messages nor the /var/log/syslog > file contains any errors or warnings. We limited the ZFS ARC cache to 4GB > with an entry in /etc/system. > > Does anyone has an idea what's happening there and how to solve the problem? > > Below some outputs which may help. > > Thanks and greetings from germany, > > Markus Denhoff, > Sebastian Friederichs > > # zpool status tank > pool: tank > state: ONLINE > scrub: none requested > config: > > NAME STATE READ WRITE CKSUM > tank ONLINE 0 0 0 > raidz1 ONLINE 0 0 0 > c6t2d0 ONLINE 0 0 0 > c6t3d0 ONLINE 0 0 0 > c6t4d0 ONLINE 0 0 0 > c6t5d0 ONLINE 0 0 0 > c6t6d0 ONLINE 0 0 0 > c6t7d0 ONLINE 0 0 0 > c6t8d0 ONLINE 0 0 0 > c6t9d0 ONLINE 0 0 0 > c6t10d0 ONLINE 0 0 0 > c6t11d0 ONLINE 0 0 0 > > errors: No known data errors > > # zpool iostat > capacity operations bandwidth > pool used avail read write read write > ---------- ----- ----- ----- ----- ----- ----- > rpool 37.8G 890G 3 2 94.7K 17.4K > tank 2.03T 7.03T 112 0 4.62M 906 > ---------- ----- ----- ----- ----- ----- ----- > > # zfs list > NAME USED AVAIL REFER MOUNTPOINT > rpool 39.8G 874G 72K /rpool > rpool/ROOT 35.7G 874G 18K legacy > rpool/ROOT/opensolaris 35.6G 874G 35.3G / > rpool/ROOT/opensolaris-1 89.9M 874G 2.47G /tmp/tmp8CN5TR > rpool/dump 2.00G 874G 2.00G - > rpool/export 172M 874G 19K /export > rpool/export/home 172M 874G 21K /export/home > rpool/swap 2.00G 876G 24K - > tank 1.81T 6.17T 32.2K /tank > tank/data 1.81T 6.17T 1.77T /data > tank/public-share 34.9K 6.17T 34.9K /public-share > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss > _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
