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(CLARiiON Only) disconnected ghost LUNs

113

Additional Notes

(CLARiiON Only) disconnected ghost LUNs

When a Linux host is attached to both SPs in a CLARiiON storage

array, the driver will report a disconnected LUN 0 on SPB and a

failure to read the capacity of the device. The Navisphere

Host

Agent requires that disconnected LUN 0 be reported properly. A

device file name is allocated to the disconnected LUN 0 in the

/dev

filesystem, but the device cannot be mounted, partitioned, or

otherwise accessed.

Here is an example of a disconnected LUN 0 being reported:

Jul 17 14:35:57 l82bi134 kernel: sdb : READ CAPACITY failed.

Jul 17 14:35:57 l82bi134 kernel: sdb : status = 1, message = 00, host = 0,

driver = 28

Jul 17 14:35:57 l82bi134 kernel: Current sd00:00: sense key Illegal Request

Jul 17 14:35:57 l82bi134 kernel: Additional sense indicates Logical unit not re

dy,cause not reportable

Jul 17 14:35:57 l82bi134 kernel: sdb : block size assumed to be 512 bytes, disk

size 1GB.

Jul 17 14:35:57 l82bi134 kernel: sdb: I/O error: dev 08:10, sector 0

Jul 17 14:35:58 l82bi134 kernel: I/O error: dev 08:10, sector 2

Jul 17 14:35:58 l82bi134 kernel: I/O error: dev 08:10, sector 4

Jul 17 14:35:58 l82bi134 kernel: I/O error: dev 08:10, sector 6

Jul 17 14:35:58 l82bi134 kernel: I/O error: dev 08:10, sector 0

Jul 17 14:35:58 l82bi134 kernel: I/O error: dev 08:10, sector 2

Jul 17 14:35:58 l82bi134 kernel: I/O error: dev 08:10, sector 4

Jul 17 14:35:58 l82bi134 kernel: I/O error: dev 08:10, sector 6

Jul 17 14:35:58 l82bi134 kernel: unable to read partition table

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Qlogic QLE2362 Guida di Installazione Pagina 113