SCSI transport failed: reason 'unexpected_bus_free'

From: Dominic Clarke (dominicc@foe.co.uk)
Date: Mon Sep 20 2004 - 06:43:25 EDT


We are running Veritas NetBackup with an E250 as the master/media server , Solaris 9 ,
with a Sun L8 SDLT drive attached. We are getting errors since replacement of this
unit last week , here is output from /var/adm/messages , I wonder if this is caused by
a faulty SCSI cable . or a badly seated SCSI cable :

Sep 20 10:16:18 vyhoda scsi: [ID 107833 kern.warning] WARNING: /pci@1f,2000/pci@
1/scsi@5 (qus1):
Sep 20 10:16:18 vyhoda Parity Error
Sep 20 10:16:23 vyhoda ltid[2198]: [ID 265732 daemon.warning] Sending shutdown t
o tldcd daemon...
Sep 20 10:16:23 vyhoda tldcd[2249]: [ID 577149 daemon.notice] TERMINATION reques
ted from vyhoda
Sep 20 10:16:23 vyhoda vmd[18132]: [ID 152614 daemon.error] terminating - anothe
r daemon already exists (89)
Sep 20 10:16:34 vyhoda tldd[18142]: [ID 947739 daemon.error] TLD(0) going to UP
state
Sep 20 10:38:09 vyhoda scsi: [ID 107833 kern.warning] WARNING: /pci@1f,2000/pci@
1/scsi@5/st@5,0 (st26):
Sep 20 10:38:09 vyhoda SCSI transport failed: reason 'unexpected_bus_free': giv
ing up
Sep 20 10:49:23 vyhoda scsi: [ID 107833 kern.warning] WARNING: /pci@1f,2000/pci@
1/scsi@5/st@5,0 (st26):
Sep 20 10:49:23 vyhoda SCSI transport failed: reason 'timeout': giving up
Sep 20 11:16:36 vyhoda scsi: [ID 107833 kern.warning] WARNING: /pci@1f,2000/pci@
1/scsi@5/st@5,0 (st26):
Sep 20 11:16:36 vyhoda SCSI transport failed: reason 'unexpected_bus_free': giv
ing up
Sep 20 11:19:36 vyhoda bptm[18666]: [ID 832037 daemon.error] scsi command failed
, may be timeout, scsi_pkt.us_reason = 1
Sep 20 11:19:36 vyhoda last message repeated 1 time
Sep 20 11:22:46 vyhoda bptm[18666]: [ID 557615 daemon.error] Application (NetBac
kup) has DOWN'ed drive index 0, see application error log for further informatio
n

And advice gratefully recieved

Dominic Clarke

www.foe.co.uk
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