Solaris st driver logs position data (Doc ID 2129122.1)

Last updated on APRIL 21, 2016

Applies to:

Solaris SPARC Operating System - Version 11.2 to 11.3 [Release 11.0]
Information in this document applies to any platform.

Symptoms

Customer is worried by below messages logged in /var/adm/messages on a Solaris 11.1 SRU 21 server:

Sep 12 20:04:08 veritas scsi: [ID 107833 kern.notice] /pci@400/pci@2/pci@0/pci@8/SUNW,emlxs@0/fp@0,0/st@w500104f000d1b9ab,0 (st0):
Sep 12 20:04:08 veritas position read in Position data:
Sep 12 20:04:08 veritas scsi: [ID 107833 kern.notice] Positioning mode = legacy
Sep 12 20:04:08 veritas scsi: [ID 107833 kern.notice] End Of File/Tape = NO_EOF
Sep 12 20:04:08 veritas scsi: [ID 107833 kern.notice] File Number = 0x1
Sep 12 20:04:08 veritas scsi: [ID 107833 kern.notice] Block Number = 0x1
Sep 12 20:04:08 veritas scsi: [ID 107833 kern.notice] Logical Block = 0x3
Sep 12 20:04:08 veritas scsi: [ID 107833 kern.notice] Partition Number = 0x0
Sep 12 20:04:08 veritas scsi: [ID 107833 kern.notice] /pci@400/pci@2/pci@0/pci@8/SUNW,emlxs@0/fp@0,0/st@w500104f000d1b9ab,0 (st0):
Sep 12 20:04:08 veritas position read out Position data:
Sep 12 20:04:08 veritas scsi: [ID 107833 kern.notice] Positioning mode = legacy
Sep 12 20:04:08 veritas scsi: [ID 107833 kern.notice] End Of File/Tape = NO_EOF
Sep 12 20:04:08 veritas scsi: [ID 107833 kern.notice] File Number = 0x3d3
Sep 12 20:04:08 veritas scsi: [ID 107833 kern.notice] Block Number = 0x1
Sep 12 20:04:08 veritas scsi: [ID 107833 kern.notice] Logical Block = 0x5cb1d7
Sep 12 20:04:08 veritas scsi: [ID 107833 kern.notice] Partition Number = 0x0
Sep 12 21:02:35 veritas scsi: [ID 107833 kern.notice] /pci@400/pci@1/pci@0/pci@6/SUNW,emlxs@0/fp@0,0/st@w500104f000d1b9ae,0 (st1):
Sep 12 21:02:35 veritas position read in Position data:
Sep 12 21:02:35 veritas scsi: [ID 107833 kern.notice] Positioning mode = legacy

Above message shows that below data are different between position in and out:

- File Number

- Logical Block number

Changes

No change was done as far as customer could remember.

The messages seem to have always been logged.

Cause

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