1. What version of VxVM is in use ?
VERSION: 5.1,REV=10.06.2009.21.48
2. What Storage array is in use ?
NETAPP
3. attach the output of # iostat -En
c0t0d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: ATA Product: ST31000524NS Revision: SN12 Serial No:
Size: 1000.20GB <1000204885504 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 49 Predictive Failure Analysis: 0
c0t1d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: ATA Product: ST31000524NS Revision: SN12 Serial No:
Size: 1000.20GB <1000204885504 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 29 Predictive Failure Analysis: 0
c3t60A980004431702F643F44436B446B46d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: NETAPP Product: LUN Revision: 811a Serial No:
Size: 536.95GB <536952700416 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 1 Predictive Failure Analysis: 0
4 . paste output of # vxdmpadm listenclosure all
ENCLR_NAME ENCLR_TYPE ENCLR_SNO STATUS ARRAY_TYPE LUN_COUNT
=======================================================================================
fas32200 FAS3220 700000265539 CONNECTED ALUA 1
other_disks OTHER_DISKS OTHER_DISKS CONNECTED OTHER_DISKS 2
5. Any analysis done from Storage / SAN switch side to know if there are any IO errors noticed ? I would expect the SAN switch logs should show some errors.
A) Contacted SAN admin, every thing look fine.
6 . Any other multipathing software underneath DMP ? mpxio or powerpath ?
A) mpxio