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Superdome strange Root disk IO Problem

 
lv_2
Occasional Visitor

Superdome strange Root disk IO Problem

Problem descrrption:16way Superdome,disks in ds2300 of partition p1 & p2 often get scsi error. It makes os hang since they are root disk or swap disk. Disks in p0 have no problem. Disk is ST318451LC. f/w is hp01 in p0, hp01 in p1, hp01 and hp03 in p2. Ds2300 BCC f/w is hp04 in p0, hp05 in p1, hp04 & hp05 in p2.
When os hang, one of two root disks would disapper(not unclaimed or fail) used "ioscan","dd" & "diskinfo" will fail. Restart system,disk display the same information. But if I restart ds2300 and then restart SD, the "disapper" disk will come back.
Do any one have some idea about this issue?
Attachment is HPMC.


thx in advance
1 REPLY 1
Alzhy
Honored Contributor