Oracle Solaris ZFS File System (MOSC)

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ZFS and storage recordsize mismatch

edited Sep 11, 2013 1:30AM in Oracle Solaris ZFS File System (MOSC) 4 commentsAnswered ✓
I'm a bit confused about bandwidth consumption where recordsize mismatch happened between storage controller and zfs.

I have a zpool with recordsize=128KB, this zpool contains only one LUN that resides in STK 6580 storage with segment size = 512KB. I have 2 x 8Gbps FC connections with active standby configuration, so I assume I have 8Gbps bandwidth in total.

Well, so far so good, no performance issues from the application side (Oracle EBS), but how can I calculate the bandwidth consumption of my 8Gbps FC connection ?

When iostat reports 2000 IOPS (total read and write), I assume that it's 2000 x 128KB per second = 256000 KB per second = 1.9 Gbps.

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