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06-23-2000 06:47 AM - last edited on 12-07-2014 07:35 PM by Maiko-I
06-23-2000 06:47 AM - last edited on 12-07-2014 07:35 PM by Maiko-I
XP256 - performance monitoring using sar
Running SAR every 10 mins & extracting disk info then looking for devices showing over 50% busy I see AVQUE values of 12000+ !!
Device C12t1d6 is OPEN-9 device on Fibre connected XP256.
Why am I seeing such large AVQUE values?
Time Device Busy Avwait
20:30:01 c12t1d6 56.35 172.32
20:40:01 c12t1d6 66.10 116.17
20:50:01 c12t1d6 71.63 101.46
21:10:01 c12t1d6 51.09 123.23
21:20:01 c12t1d6 61.20 79.41
22:20:01 c12t1d6 85.35 8.00
22:40:01 c12t1d6 56.15 263.17
22:50:01 c12t1d6 71.07 12673.15
22:50:01 c12t1d7 85.70 12809.43
23:00:01 c12t1d6 75.83 9265.22
23:00:01 c12t1d7 50.93 5282.86
Haven't got access to Performance ManagerXP but can you suggest any other way of checking disk utilisation?
P.S. This thread has been moevd from Disk Array to Storage Area Networks (SAN) (Enterprise). - Hp forum Moderator
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06-23-2000 07:05 AM
06-23-2000 07:05 AM
Re: XP256 - performance monitoring using sar
The first thing I suggest is to find what is using that LUN that heavily at that time. You can start breaking it down from there.