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LUNS goto max utilization on SPB but if moved to SPA they do not.
I have 5 SQL 2012 LUNs out of 13 total luns on a CX3-80 all are on SPB as a default. Throughout day almost always at 10:00 and 3:30 they will goto 100% utilization. If I move them to SPA they do not. Neither SP's are reporting any errors. Help pulling my hair out!
dynamox
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February 28th, 2014 12:00
what about response time, do you see the same pattern ?
Roger_Wu
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March 2nd, 2014 17:00
Are they any activities during "10:00 and 3:30" at host side?
Steavson
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March 3rd, 2014 06:00
Similar issues may cause if random writes are more these Luns. Generate a NAR report and check the utilization of Luns on SP-B. If possible balance the Luns with higher Utilization on both SP's.