Networker

Re: [Networker] LTO drive problems after upgrade to NW 7.1

2004-08-06 16:28:07
Subject: Re: [Networker] LTO drive problems after upgrade to NW 7.1
From: Robert Maiello <robert.maiello AT PFIZER DOT COM>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Fri, 6 Aug 2004 16:27:57 -0400
TSK,

For the LTO drives on the 880,  your using the qus SUN LVD card?   I assume
you have the SUNWqus package installed as well as patch 112697-04?

The terminators should be LVD.
Also make sure you have no old scsi-options strings left/set in /etc/system.

Robert Maiello
Pioneer Data Systems

On Fri, 6 Aug 2004 11:40:16 -0400, T. S. Kimball <tkimball AT BRASS DOT COM> 
wrote:

>Hi all,
>
>I've been monitoring this thread during a week-long installation of
>AlphaStor.  We're preparing to get our first LTO-2 drives online in a
>storage node and now I'm getting curious and/or nervous about this
>recent set of reports.
>
>I'd like more info from those with problems, in particular what is the
>manufacturer of your LTO drives.  And also, who is _not_ having
>problem with LTO and what your Solaris-based config is?
>
>My setup (some DiskBackup parts are removed from Sun EBS Server for
>clarity, and they're not online yet):
>
>  L700 - 7 x DLT7000 & 3 x LTO-2 (HP)
>
>  Sun EBS Server (7.1.2 NW), Solaris 8, E-450 server
>     -This runs the DLT Drives, SCSI Attatched
>  AlphaStor 3.0 SR2, Solaris 8, Netra 1125 Server
>     -Running AlphaStor only
>
>  Storage Node, 7.1.2, Solaris 8, V-880 Server
>     - This will eventually run the LTO-2 drives
>     - 2 x LVD-SCSI (Sun qus driver) cards installed
>
>  We're using Fuji DLT-IV and LTO-2 Media.
>
>Our upgrade from 6.1.3 to 7.1.2 went off smooth a month ago, and the
>server has been quite happy so far.
>
>I currently cannot get the LTO-2 drives seen on the 880, but I'm in
>process of a Sun call to fix that.  However I want to make sure that,
>once I get the drives working, Networker will be happy with the
>drives and tapes.
>
>
>Thanks in Advance,
>--TSK
>
>
>On Thu, 5 Aug 2004, Reed, Irene wrote:
>
>> I have the same symptoms and have been trying to fix it since March.
>> Removing the "bad" tapes from use is about all that I have found that
>> works.
>>
>> Irene
>>
>> -----Original Message-----
>> From: Legato NetWorker discussion [mailto:NETWORKER AT LISTMAIL.TEMPLE DOT 
>> EDU]
>> On Behalf Of Dave Mussulman
>> Sent: Thursday, August 05, 2004 9:52 AM
>> To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
>> Subject: Re: [Networker] LTO drive problems after upgrade to NW 7.1
>>
>> Same here, no SAN.  Server is Solaris 8 running 7.1.2 to a SCSI attached
>> DLT7k jukebox.  We started having problems last week with i/o errors
>> (sometimes coinciding with /var/adm/messages scsi errors, but not
>> always,) and tapes marking full prematurely.  I had a ticket open with
>> Legato for a bit, but because of the scsi errors and noticable problems
>> with the jukebox, I wrote it off as hardware.
>>
>> What are everyone else's symptoms, and what are they doing to fix them?
>>
>> Dave
>> On Wed, Aug 04, 2004 at 06:29:31PM +0200, Maarten Boot (CWEU-USERS/CWNL)
>> wrote:
>> > similar problems here but no san,
>> > (7.1.2 ) on solaris 9
>> > Maarten
>> >
>> >
>> > On Wednesday 04 August 2004 18:21, Reed, Irene wrote:
>> > > I have been working with Legato with this issue since March of 2004.
>> > > They have run me through so many hoops, but the problem keeps
>> happening.
>> > > At first they said it was my environment, but now they are saying a
>> lot
>> > > of people are starting to have the problem.  They think it is due to
>> > > SANs.  Do you have a storage SAN?  If you would like to discuss all
>> the
>> > > things Legato has had me try to no avail, lets visit.
>> > >
>> > > Irene
>> > >
>> > > -----Original Message-----
>> > > From: Legato NetWorker discussion
>> [mailto:NETWORKER AT LISTMAIL.TEMPLE DOT EDU]
>> > > On Behalf Of Itzik Meirson
>> > > Sent: Wednesday, August 04, 2004 11:01 AM
>> > > To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
>> > > Subject: [Networker] LTO drive problems after upgrade to NW 7.1
>> > >
>> > > It seems that we are experiencing som LTO instability after
>> upgrading
>> > > from Networker 6.1.x to 7.1.x.
>> > > It seems as if after the upgrade we are getting very sporadic tape
>> I/O
>> > > errors that are causing premature tape closure. We have tried to
>> disable
>> > > CDI but that did not realy solve the problem.
>> > > I wonder if any of you have seen such problems and could recommend a
>> > > procedure to solve the problem.
>> > > Itzik
>> > >
>> > >
>> > >
>> > >
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