E-Series performance issue due to faulty drive
Applies to
NetApp E-Series
Issue
- E-Series host reports performance problems on all volumes or some of them.
MAJOR-EVENT-LOG
(MEL) showsSlow drive detected by drive performance analyzer
or other drive check conditions
A:6/29/23 9:39:39 PM (21:39:39) 45373 1021 Slow drive detected by drive performance analyzer. Info for Analysis Purposes - Shelf 99, Drawer 5, Bay 6 <--DEBUG
A:6/29/23 9:39:39 PM (21:39:39) 45372 1021 Slow drive detected by drive performance analyzer. Info for Analysis Purposes - Shelf 99, Drawer 3, Bay 3 <--DEBUG
- MEL may also not report any errors. However, from the host side we can see 1 single drive having higher latency than others with tools such as
iostat