RE: SUMMARY: V480 and Qlogic Loop offline/online question

Additionally, Carl Ma just suggested I track down STORtool. Turns out
this has been renamed to StorADE and is avaialble at:
http://wwws.sun.com/software/download/products/3fde4436.html.

-- Russ

> -----Original Message-----
> From: sunmanagers-bounces@sunmanagers.org
> [mailto:sunmanagers-bounces@sunmanagers.org] On Behalf Of
> Lebar, Russell J
> Sent: Wednesday, September 29, 2004 12:07
> To: sunmanagers@sunmanagers.org
> Subject: SUMMARY: V480 and Qlogic Loop offline/online question
>
> Right now I am just keeping an eye on the system. I haven't
> seen any more notices since that first night. Thanks for the
> help! -- Russ
>
> And here are the responses I got...
>
> Tim Chipman had this to say:
> ----------------------------
>
> I've had loop-offline problems recently with our t3
> (connected to a qlogic HBA, single channel fibre,
> non-redundant config) which so far have vanished since we
> cold-shutdown everything, unplugged all the bits, and
> replugged everything, followed by clean boot and then a few
> hours of SunVTS testing to be paranoid.
>
> Some suggestions were to flash the HBA firmware ; to replace
> the HBA ; and to maybe replace other components in the fibre
> loop if the problem persisted.
>
> additionally, a trawl through sunsolve found for me some hit
> maybe relevant for you, todo with power-saving features
> spinning down internal FCAL disks on some newer boxes such as
> v480 maybe (?).  Worth a look in sunsolve if you haven't seen
> this yet...
>
> And Mary Dell had this to say:
> ------------------------------
>
> I have had exactly this behavior with a bad gbic -
> offline/online, offline/online, sometimes for months.  I had
> it in an E3500 and there was one particular kind of gbic that
> was very prone to this - I found a lot of references online
> to a gbic from a company starting with a V I think - vixel or
> something like that.  Anyway, I pulled the one gbic I had
> that wasn't ibm and replaced it with an ibm and the problem
> went away.  Keep in mind that usually you have to replace
> both gbis on that fibre channel since there's usually not any
> way of telling which end of the loop is bad - I just got
> "lucky" having a known-crappy part.
>
>
>
>
>
> > -----Original Message-----
> > From: sunmanagers-bounces@sunmanagers.org
> > [mailto:sunmanagers-bounces@sunmanagers.org] On Behalf Of Lebar,
> > Russell J
> > Sent: Thursday, September 23, 2004 12:29
> > To: sunmanagers@sunmanagers.org
> > Subject: V480 and Qlogic Loop offline/online question
> >
> > We have a V480 that we started having drive problems on disk1
> > (c1t1d0).
> > SUN put a new backplane in the system and replaced disk1.
> > Both disks are Seagate Cheetahs and of course there is the
> DVD drive.
> > We only saw errors on disk1.
> >
> > I thought this took care of the problem but I noticed the
> following in
> > the messages file:
> >
> > Sep 21 18:20:51 nexus6 qlc: [ID 686697 kern.info] NOTICE:
> > Qlogic qlc(0):
> > Loop OFFLINE
> > Sep 21 18:20:52 nexus6 qlc: [ID 686697 kern.info] NOTICE:
> > Qlogic qlc(0):
> > Loop ONLINE
> > Sep 21 18:20:56 nexus6 scsi: [ID 107833 kern.warning] WARNING:
> > /pci@9,600000/SUNW,qlc@2/fp@0,0/ssd@w2100000c50b8863e,0 (ssd1):
> > Sep 21 18:20:56 nexus6  Unhandled Sense Key 'Vendor Unique'
> > Sep 21 21:00:41 nexus6 qlc: [ID 686697 kern.info] NOTICE:
> > Qlogic qlc(0):
> > Loop OFFLINE
> > Sep 21 21:00:45 nexus6 qlc: [ID 686697 kern.info] NOTICE:
> > Qlogic qlc(0):
> > Loop ONLINE
> > Sep 21 21:44:26 nexus6 qlc: [ID 686697 kern.info] NOTICE:
> > Qlogic qlc(0):
> > Loop OFFLINE
> > Sep 21 21:44:26 nexus6 qlc: [ID 686697 kern.info] NOTICE:
> > Qlogic qlc(0):
> > Loop ONLINE
> > Sep 21 22:09:23 nexus6 qlc: [ID 686697 kern.info] NOTICE:
> > Qlogic qlc(0):
> > Loop OFFLINE
> > Sep 21 22:09:23 nexus6 qlc: [ID 686697 kern.info] NOTICE:
> > Qlogic qlc(0):
> > Loop ONLINE
> >
> >
> > By 18:20 I was restoring the filesystem (/export) from tape.
> > There was about 33GB of data and the restore finished
> around 21:30. It
> > looks like Netbackup started doing backups on c1t1d0s0
> around 20:07
> > (got to love that timing).
> >
> > Is there still a possible problem? I have heard of GBIC issues with
> > SUN systems using fibre. Running: Solaris 9 4/04
> s9s_u6wos_08a SPARC
> > Assembled 22 March 2004.
> >
> > Thanks in advance!
> >
> >
> > --
> > -------------------------
> > Russ LeBar
> > Enterprise Rent-A-Car
> > UNIX System Administrator
> > _______________________________________________
> > sunmanagers mailing list
> > sunmanagers@sunmanagers.org
> > http://www.sunmanagers.org/mailman/listinfo/sunmanagers
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