On Sun, Mar 15, 2009 at 6:42 PM, Blake <blake.ir...@gmail.com> wrote:
> > > > 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 Might also be helpful to provide the version of Opensolaris you're on, as well as the zfs version. --Tim
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