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Is my storage having performance issue? (see screenshot of hdparm & iostat)

SandMan asked
Last Modified: 2012-09-18
Hi Storage experts,

My vms on Xenserver are very slow on booting up, all of this vm's are hosted on the storage which is QNAP TS809-U RP.

Question is, am I having some storage performance issues with I/O judging from the hdfarm & iostat below?

hdfarm from XenServer to Storage

hdparm output - from Xenserver to QNAP
iostat from the QNAP shell/terminal

iostat within the QNAP shell
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