Re: [zfs-discuss] ZFS with STK raid card w battery

2010-10-24 Thread Marion Hakanson
replic...@gmail.com said: > One other question, how can I ensure that the controller's cache is really > being used? (arcconf doesn't seem to show much). Since ZFS would flush the > data as soon as it can, I am curious to see if the caching is making a > difference or not. Share out a dataset on

Re: [zfs-discuss] ZFS with STK raid card w battery

2010-10-24 Thread Anil
cool, thanks. One other question, how can I ensure that the controller's cache is really being used? (arcconf doesn't seem to show much). Since ZFS would flush the data as soon as it can, I am curious to see if the caching is making a difference or not. I think I will need to capture zfs stats wit

Re: [zfs-discuss] ZFS with STK raid card w battery

2010-10-23 Thread Erik Trimble
On 10/23/2010 8:22 PM, Anil wrote: We have Sun STK RAID cards in our x4170 servers. These are battery backed with 256mb cache. What is the recommended ZFS configuration for these cards? Right now, I have created a one-to-one logical volume to disk mapping on the RAID card (one disk == one volume

[zfs-discuss] ZFS with STK raid card w battery

2010-10-23 Thread Anil
We have Sun STK RAID cards in our x4170 servers. These are battery backed with 256mb cache. What is the recommended ZFS configuration for these cards? Right now, I have created a one-to-one logical volume to disk mapping on the RAID card (one disk == one volume on RAID card). Then, I mirror them u