I have a problem with my zfs system, it's getting slower and slower over time. When the OpenSolaris machine is rebooted and just started I get about 30-35MB/s in read and write but after 4-8 hours I'm down to maybe 10MB/s and it varies between 4-18MB/s. Now, if i reboot the machine it's all gone and I have perfect speed again.
Does it have something to do with the cache? I use a separate SSD as a cache disk. Anyways, here's my setup: OpenSolaris 1.34 dev C2D with 4GB ram 4x 1,5TB WD SATA drives and 1x Corsair 32GB SSD as cache Doesn't seem to matter if I copy files locally on the computer or if I use CIFS, still getting the same degredation in speed. Last night I left my workstation copying files to/from the server for about 8 hours and you could see the performance dropping from about 28MB/s down to under 10MB/s after a couple of hours. Any suggestion on what to do? I've tried some tuning by setting the following variables in /etc/system: set zfs:zfs_txg_timeout = 1 set zfs:zfs_vdev_max_pending = 1 But it doesn't seem to make any difference. Regards /Marcus Wilhelmsson, Kalmar, Sweden Message was edited by: tanngens -- This message posted from opensolaris.org _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
