So I can get these two bits of information but I can't put them together to figure out which drive "failed". This is starting to get annoying (you'd figure it would be a quick google search to find a command to match a failed drive to an actual *REAL PHYSICAL DRIVE* but apparently its not. Not for many tonight anyway).
ben@OI_SAN1:~# iostat -Er | grep -i vendor | sort | uniq
Vendor: ATA ,Product: Hitachi HDS72202 ,Revision: A28A ,Serial No: JK1130YAHDGZNT
Vendor: ATA ,Product: Hitachi HDS72202 ,Revision: A28A ,Serial No: JK1130YAHDJPZT
Vendor: ATA ,Product: SAMSUNG HD204UI ,Revision: 0001 ,Serial No: S2H7JD6ZB00622
Vendor: ATA ,Product: SAMSUNG HD204UI ,Revision: 0001 ,Serial No: S2H7JD6ZB00624
Vendor: ATA ,Product: ST2000DL003-9VT1 ,Revision: CC3C ,Serial No: 6YD234N1
Vendor: ATA ,Product: ST2000DL003-9VT1 ,Revision: CC3C ,Serial No: 6YD2434J
Vendor: ATA ,Product: WDC WD20EARS-00M ,Revision: AB51 ,Serial No: WD-WMAZA0979429
Vendor: ATA ,Product: WDC WD20EARS-00M ,Revision: AB51 ,Serial No: WD-WMAZA1193578
Vendor: ATA ,Product: WL300GLSA16100 ,Revision: 4V01 ,Serial No: LP004010
Vendor: ATA ,Product: WL300GLSA16100 ,Revision: 4V01 ,Serial No: LP007072
Vendor: ATA ,Product: WL300GLSA16100 ,Revision: 4V01 ,Serial No: LP009085
Vendor: ATA ,Product: WL300GLSA16100 ,Revision: 4V01 ,Serial No: LP009633
Vendor: ATA ,Product: WL300GLSA16100 ,Revision: 4V01 ,Serial No: LP018886
Vendor: ATA ,Product: WL300GLSA16100 ,Revision: 4V01 ,Serial No: LP018960
Vendor: ATA ,Product: WL300GLSA16100 ,Revision: 4V01 ,Serial No: LP018961
Vendor: ATA ,Product: WL300GLSA16100 ,Revision: 4V09 ,Serial No: LP007105
Vendor: NECVMWar ,Product: VMware IDE CDR10 ,Revision: 1.00 ,Serial No:
Vendor: VMware ,Product: Virtual disk ,Revision: 1.0 ,Serial No: 6000c290cff5bd3
ben@OI_SAN1:~# iostat -En | grep -i vendor | sort | uniq
Vendor: ATA Product: Hitachi HDS72202 Revision: A28A Serial No: JK1130YAHDGZNT
Vendor: ATA Product: Hitachi HDS72202 Revision: A28A Serial No: JK1130YAHDJPZT
Vendor: ATA Product: SAMSUNG HD204UI Revision: 0001 Serial No: S2H7JD6ZB00622
Vendor: ATA Product: SAMSUNG HD204UI Revision: 0001 Serial No: S2H7JD6ZB00624
Vendor: ATA Product: ST2000DL003-9VT1 Revision: CC3C Serial No: 6YD234N1
Vendor: ATA Product: ST2000DL003-9VT1 Revision: CC3C Serial No: 6YD2434J
Vendor: ATA Product: WDC WD20EARS-00M Revision: AB51 Serial No: WD-WMAZA0979429
Vendor: ATA Product: WDC WD20EARS-00M Revision: AB51 Serial No: WD-WMAZA1193578
Vendor: ATA Product: WL300GLSA16100 Revision: 4V01 Serial No: LP004010
Vendor: ATA Product: WL300GLSA16100 Revision: 4V01 Serial No: LP007072
Vendor: ATA Product: WL300GLSA16100 Revision: 4V01 Serial No: LP009085
Vendor: ATA Product: WL300GLSA16100 Revision: 4V01 Serial No: LP009633
Vendor: ATA Product: WL300GLSA16100 Revision: 4V01 Serial No: LP018886
Vendor: ATA Product: WL300GLSA16100 Revision: 4V01 Serial No: LP018960
Vendor: ATA Product: WL300GLSA16100 Revision: 4V01 Serial No: LP018961
Vendor: ATA Product: WL300GLSA16100 Revision: 4V09 Serial No: LP007105
Vendor: NECVMWar Product: VMware IDE CDR10 Revision: 1.00 Serial No:
Vendor: VMware Product: Virtual disk Revision: 1.0 Serial No: 6000c290cff5bd3
Or I can get:
NAME STATE READ WRITE CKSUM
raptor10k-RAID10 DEGRADED 0 0 0
mirror-0 ONLINE 0 0 0
c7t14d0 ONLINE 0 0 0
c7t15d0 ONLINE 0 0 0
mirror-1 ONLINE 0 0 0
c7t16d0 ONLINE 0 0 0
c7t17d0 ONLINE 0 0 0
mirror-2 ONLINE 0 0 0
c7t18d0 ONLINE 0 0 0
c7t19d0 ONLINE 0 0 0
mirror-3 DEGRADED 0 0 0
c7t20d0 ONLINE 0 0 0
c7t21d0 FAULTED 0 0 0 too many errors
-----------------------------------------------
So I know c7t21d0 is acting badly. Of course I have no actual way to figure out who the hell c7t21d0 is, so go figure.