L700 - MT Status Command Fails With the Message "No Such Device or Address" (Doc ID 2000282.1)

Last updated on JULY 28, 2016

Applies to:

Sun StorageTek L700 Tape Library - Version All Versions to All Versions [Release All Releases]
x86_64

STK L700 tape library has Dynamic WWN feature turned on. Tape drives are properly zoned in. The OS can detect the drives and creates all necessary driver files.

Symptoms

mt status check on any tape drive will give the message "no such device or address"

Tape Hardware functionality has been verified and found to be good.
Tape Devices detected correctly on the OS side.

cfgadm:
c3::500104f000003028           connected    configured   unknown    STK T9940B
unavailable  tape         n        /devices/pci@1c,600000/SUNW,emlxs@1/fp@0,0:fc::500104f000003028
c3::500104f0007d12bd           connected    configured   unknown    STK T9940B
unavailable  tape         n        /devices/pci@1c,600000/SUNW,emlxs@1/fp@0,0:fc::500104f0007d12bd
c3::500104f000b57256           connected    configured   unknown    STK T9940B
unavailable  tape         n        /devices/pci@1c,600000/SUNW,emlxs@1/fp@0,0:fc::500104f000b57256

c10::500104f0007782ec          connected    configured   unknown    STK T9940B
unavailable  tape         n        /devices/pci@1c,600000/SUNW,emlxs@1,1/fp@0,0:fc::500104f0007782ec
c10::500104f000bf979f          connected    configured   unknown    STK T9940B
unavailable  tape         n        /devices/pci@1c,600000/SUNW,emlxs@1,1/fp@0,0:fc::500104f000bf979f
c10::500104f000c8ffb3          connected    configured   unknown    STK T9940B
unavailable  tape         n        /devices/pci@1c,600000/SUNW,emlxs@1,1/fp@0,0:fc::500104f000c8ffb3

========================
iostat:
rmt/10          Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: STK      Product: T9940B           Revision: 1.42 Serial No: .407
rmt/8           Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: STK      Product: T9940B           Revision: 1.36 Serial No: .404
rmt/9           Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: STK      Product: T9940B           Revision: 1.44 Serial No: .410
rmt/5           Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: STK      Product: T9940B           Revision: 1.36 Serial No: .404
rmt/6           Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: STK      Product: T9940B           Revision: 1.44 Serial No: .410
rmt/7           Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: STK      Product: T9940B           Revision: 1.44 Serial No: .410

==========================
luxadm:
Pos  Port_ID Hard_Addr Port WWN         Node WWN         Type
0    710800  0         500104f000c8ffb3 500104f000c8ffb2 0x1  (Tape device)
1    710900  0         500104f000bf979f 500104f000bf979e 0x1  (Tape device)
2    710d00  0         500104f0007782ec 500104f0007782eb 0x1  (Tape device)
3    711600  0         10000000c9829331 20000000c9829331 0x1f (Unknown Type,Host Bus Adapter)

Pos  Port_ID Hard_Addr Port WWN         Node WWN         Type
0    710b00  0         500104f000003028 500104f000003027 0x1  (Tape device)
1    710c00  0         500104f0007d12bd 500104f0007d12bc 0x1  (Tape device)
2    710e00  0         500104f000b57256 500104f000b57255 0x1  (Tape device)
3    711400  0         10000000c9829330 20000000c9829330 0x1f (Unknown Type,Host Bus Adapter)
=========================

Any I/O attempt leads to ambiguous error "No such device or address".

Changes

Added 3 new 9940B tape drives to the L700 tape Library.  

Cause

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