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Extremely high request queue in glance plus (column BYDSK_REQUEST_QUEUE)

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EU-Admins-UNIX
Regular Advisor

Extremely high request queue in glance plus (column BYDSK_REQUEST_QUEUE)

Morning

 

We are seeing a very high request queue on a particular NetApp disk.

 

Attached are snapshots and sar outputs to demonstrate this.

 

Any idea what else we could be looking at and possible cuases?

 

Regards

 

Tariq