iostat articles - church1e's blog

How to distinguish between a failed and a failing disk

Updated 21 May 2009 Read time 2 min(s) 12 sec(s) (2967 visits).

Distinguishing between a failed disk and a failing disk may save you time when you need to replace it.

Published 2 Mar 2011 Read time 3 min(s) 51 sec(s) (3383 visits).

We have many utilities like iostat, fsstat, sar, etc. in Solaris to identify disk I/O performance issues.

Published 17 Jan 2014 Read time 1 min 3 sec(s) (3194 visits).

In ZFS, I/Os are scheduled similarly to how jobs are scheduled on CPUs.