We encountered these error 2 times(e.g. Solaris 10 with NetWorker installed) with in the month of August, but we couldn't pin point the root cause, it might be bad sector, bad cable or software incompatibility?
Do you experience these issue or please share your understanding about this? Thanks
*** Logs below ***
2015/08/20 06:27:14,myHostname,00000894,/var/adm/messages,"Aug 20 06:27:06 [*.*.*.*.2.2] kernel: (E4)[ 8097573.833408] scsi1: (ffff81075b893400) (0/5/10000) chnl/tgt/lun 0/4/0 result 0x2, cdb 0x28:071d9ede:0301, sense 3/0x11/0x0 - Unrecovered read error No retry",LOGFILE,
2015/08/20 06:27:14,myHostname,00000894,/var/adm/messages,Aug 20 06:27:06 [*.*.*.*.2.2] kernel: (E6)[ 8097573.833687] sd 1:0:4:0: [sdh] Sense Key : Medium Error [current] ,LOGFILE
2015/08/20 06:27:14,myHostname,00000894,/var/adm/messages,Aug 20 06:27:06 [*.*.*.*.2.2] kernel: (E6)[ 8097573.834097] sd 1:0:4:0: [sdh] Add. Sense: Unrecovered read error,LOGFILE
2015/08/20 06:27:14,myHostname,00000894,/var/adm/messages,"Aug 20 06:27:06 [*.*.*.*.2.2] kernel: (E4)[ 8097573.834329] end_request: I/O error, dev sdh, sector 119381867",LOGFILE
2015/08/20 06:27:14,myHostname,00000894,/var/adm/messages,Aug 20 06:27:06 [*.*.*.*.2.2] kernel: (E5)[ 8097573.834440] DD_RAID: Array [dg1/ppart] encountered READ I/O errors (MEDIUM ERR) [dev = dm-7p5] [dev idx = 12] [stripe = 111581] [request = ffff81010543ba20],LOGFILE
2015/08/20 06:27:14,myHostname,00000894,/var/adm/messages,"Aug 20 06:27:06 [195.224.1.47.2.2] kernel: (E5)[ 8097574.041095] DD_RAID: Array [dg1/ppart]: Completed the fix for READ errors [stripe = 111581] [id = 49, -1] [request = ffff8110187074c8,ffff81010543ba20]",LOGFILE