Re: [OpenIndiana-discuss] ISCSI SSD Performance

2013-02-17 Thread Sašo Kiselkov
On 02/17/2013 04:38 AM, Grant Albitz wrote: I just wanted to add that when I create a pool it is using ashift 9. Arent all ssds 4k drives at this point? In file-based datasets, ZFS uses a variable block size which automatically adjusts to the size of the write operation (from 512-bytes to

Re: [OpenIndiana-discuss] ISCSI SSD Performance

2013-02-17 Thread Grant Albitz
Here are some interesting results. If I put 8 ssds in a raid 10 I get about 1.2Gbps write Read is less but good at 1.1GBps, which I don't understand why its less but here is the iostat for the reads, I am listing just one drives iostat results to keep the message shorter. In all cases all of