From: Vikash Gupta (vikashgupta@yahoo.com)
Date: Sat Feb 03 2007 - 17:01:22 EST
Hi Ali,
I see some message like this "Dev change
notification".
Is your tape library goes offline/online only when
there is some changes happening at fiber SAN switch
side ? Can you confirm this with your SAN/Storage
admin.
If yes then this must be a RSCN issue at your switch
side. Please disable this RSCN feature and you should
be fine.
Rgds
Vikash Gupta
--- Ali Zaiter <ali.zaiter@intratechsarl.com> wrote:
> Hi,
>
> I am having a problem with qlc driver on a V440
> connected to a Tape Library
> via a fiber switch.
>
> The issue is that under I/O the QLC is getting
> Offline/Online which is
> affecting the backup each time after this incident.
>
>
>
> The following messages are produced on the System:
>
>
>
> Jan 26 04:16:39 bkpserver qlc: [ID 630585 kern.info]
> NOTICE: Qlogic qlc(0):
> Link OFFLINE
>
> Jan 26 04:17:11 bkpserver scsi: [ID 107833
> kern.warning] WARNING:
>
/pci@1e,600000/SUNW,qlc@4/fp@0,0/st@w500104f0008eac18,0
> (st16):
>
> Jan 26 04:17:11 bkpserver SCSI transport failed:
> reason 'timeout':
> retrying command
>
> Jan 26 04:17:11 bkpserver qlc: [ID 630585 kern.info]
> NOTICE: Qlogic qlc(0):
> Link ONLINE
>
> Jan 26 04:17:11 bkpserver qlc: [ID 557240
> kern.warning] WARNING: qlc(0) no
> loop_id for adisc 11200h
>
> Jan 26 04:17:11 bkpserver fp: [ID 517869 kern.info]
> NOTICE: fp(0): ADISC to
> 11200 failed, cmd_flags=1 state=Packet Transport
> error, reason=No Connection
>
> Jan 26 04:17:11 bkpserver qlc: [ID 557240
> kern.warning] WARNING: qlc(0) no
> loop_id for adisc 11100h
>
> Jan 26 04:17:11 bkpserver qlc: [ID 557240
> kern.warning] WARNING: qlc(0) no
> loop_id for adisc 11000h
>
> Jan 26 04:17:11 bkpserver qlc: [ID 557240
> kern.warning] WARNING: qlc(0) no
> loop_id for adisc 10b00h
>
> Jan 26 04:17:11 bkpserver fctl: [ID 517869
> kern.warning] WARNING:
> 100=>fp(0)::fp_adisc_intr: Dev change notification
> to ULP port=300005ff000,
> pd=300011e9990, map_flags=0 map_state=1
>
> Jan 26 04:17:11 bkpserver fp: [ID 517869 kern.info]
> NOTICE: fp(0): ADISC to
> 11100 failed, cmd_flags=1 state=Packet Transport
> error, reason=No Connection
>
> Jan 26 04:17:11 bkpserver fctl: [ID 517869
> kern.warning] WARNING:
> 103=>fp(0)::fp_adisc_intr: Dev change notification
> to ULP port=300005ff000,
> pd=300011e9bb0, map_flags=0 map_state=1
>
> Jan 26 04:17:11 bkpserver fp: [ID 517869 kern.info]
> NOTICE: fp(0): ADISC to
> 11000 failed, cmd_flags=1 state=Packet Transport
> error, reason=No Connection
>
> Jan 26 04:17:11 bkpserver fctl: [ID 517869
> kern.warning] WARNING:
> 108=>fp(0)::fp_adisc_intr: Dev change notification
> to ULP port=300005ff000,
> pd=3000004c008, map_flags=0 map_state=1
>
> Jan 26 04:17:11 bkpserver fp: [ID 517869 kern.info]
> NOTICE: fp(0): ADISC to
> 10b00 failed, cmd_flags=1 state=Packet Transport
> error, reason=No Connection
>
> Jan 26 04:17:11 bkpserver fctl: [ID 517869
> kern.warning] WARNING:
> 111=>fp(0)::fp_adisc_intr: Dev change notification
>
>
>
> Is it a hardware problem? Or a driver problem?
>
>
>
> Best Regards,
>
> Ali
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