Re: [zfs-discuss] Long resilver time

2010-12-26 Thread Jackson Wang
Dear Richard, Thanks for your reply. Actually there is NO any other disk/controlller fault in this system. An engineer of NexentaStor, Andrew, just add a line in /kernel/drv/sd.conf of allow-bus-device-reset=0 of the NexentaStor system and then the resilver speed get high. Before the parameter

Re: [zfs-discuss] Long resilver time

2010-12-26 Thread Khushil Dep
Do you have SSD in? Which ones and any errors on those? On 26 Dec 2010 13:35, Jackson Wang jcw...@infowize.com.tw wrote: Dear Richard, Thanks for your reply. Actually there is NO any other disk/controlller fault in this system. An engineer of NexentaStor, Andrew, just add a line in

Re: [zfs-discuss] Long resilver time

2010-12-26 Thread Richard Elling
On Dec 26, 2010, at 5:33 AM, Jackson Wang wrote: Dear Richard, Thanks for your reply. Actually there is NO any other disk/controlller fault in this system. An engineer of NexentaStor, Andrew, just add a line in /kernel/drv/sd.conf of allow-bus-device-reset=0 of the NexentaStor system and

Re: [zfs-discuss] SAS/short stroking vs. SSDs for ZIL

2010-12-26 Thread Nicolas Williams
On Sat, Dec 25, 2010 at 08:37:42PM -0500, Ross Walker wrote: On Dec 24, 2010, at 1:21 PM, Richard Elling richard.ell...@gmail.com wrote: Latency is what matters most. While there is a loose relationship between IOPS and latency, you really want low latency. For 15krpm drives, the