Re: [Networker] Premature marking tapes full

Just in case of
We had exactly the same problem with our LTO Tape Drive
After 3 months looking and searching at Software LEVEL, we called an IBM 
Engineer who simply, changed some configuration on the SCSI Card ( an 
adaptec ) and now, it's OK
Maybe, you can also send what are the configuration of your SCSI Card
 On 9/7/05, Librado Pamintuan <LPamintuan AT regina DOT ca> wrote: 
> 
> Well, this is now getting a little bit confusing. I have IBM LTO-2 tape 
> drives also and ADIC Tech. Support advised me that the firmware 4AP0 is the 
> latest and now we have 2 different firmwares on this thread, which one is 
> should we use?
> 
> Librado Pamintuan
> Technical Support Analyst II
> Information Systems Dep.
> Operations Group
> City of Regina
> 
> Phone: (306) 777-7573
> General Fax: (306) 777-6804
> eFax: (306) 546-6002
> eMail: lpamintuan AT regina DOT ca
> 
> >>> robert.maiello AT PFIZER DOT COM 09/07/05 8:00 am >>>
> I have not seen the LTO2 tapes that sensitive to firmware. That said,
> StorageTek anyway is shipping IBM LTO2 the latest firmware of 53Y2. Before
> that they were shipping 4C60.
> 
> I would ask ADIC what driver and firmware they reccommend.
> 
> Robert Maiello
> Pioneer Data Systems
> 
> On Wed, 7 Sep 2005 12:05:03 +0200, Maarten Boot (CWEU-USERS/CWNL)
> <Maarten.Boot AT NL.COMPUWARE DOT COM> wrote:
> 
> >IBM LTO2 uses a different way to check the servo tracks than most other 
> brands
> >the latest firmware 4772 corrects that so that IBM drives are more 
> tolerant to
> >errors in the servo tracks then before.
> >
> >(before both servo tracks must be perfect)
> >with the latest firmware occasional glitches in one servo track are Ok as 
> lomg
> >as at least 1 servo track is still OK.
> >
> >Even then, I have 3 IBM drives are had already 2 swapped tape drives, we
> >bought them sept 2004.
> >
> >Maarten
> >
> >
> >On Tuesday 06 September 2005 23:21, Albert Eddie Contractor AFRPA/ESS 
> wrote:
> >> OK waited long enough to get input from you guys.
> >>
> >> I am not discounting everyone but will try to reply to all with one
> >> reply if I can.
> >>
> >> 3 Sites
> >> HQ w/ADIC SCALAR 100
> >> Site 2 w/SCALAR 24
> >> Site 3 w/SCALAR 24
> >>
> >> Things in common
> >>
> >> All sites running
> >> Windows 2003 SP1
> >> Legato Networker for Windows v7.2
> >> IBM LTO2 Drives
> >>
> >> There is a specific ADIC SCALAR 100 driver
> >> Had to use a generic UNSPECIFIED SCALAR Driver for the SCALAR
> >> 24s
> >>
> >> Legato Tech Support is saying IBM LTO2 Drives are being returned a lot
> >> (we have returned one from each site)
> >>
> >> When I "MONITOR" one of the tapes that consistently gets marked as 
> FULL,
> >> Legato appears to read the tape as "WRITE PROTECTED" then it is marked
> >> full.
> >>
> >> The problem started at the site in CA, then a few days later in 
> happened
> >> in TX and then finally at HQ here in DC. I don't think it is a Legato
> >> VIRUS per-se but the look and the fact that it came in a wave is weird.
> >>
> >> We need to get this fixed of course as those tapes are very expensive.
> >>
> >> > -----Original Message-----
> >> > From: Legato NetWorker discussion
> >> > [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On Behalf Of Scott Clous
> >> > Sent: Monday, September 05, 2005 7:31 PM
> >> > To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
> >> > Subject: Re: [Networker] Premature marking tapes full
> >> >
> >> > I've seen some notes about Legato having issues, in some
> >> > versions, have you applied any patches from Legato? I'd love
> >> > to know the answer too.
> >> > What OS are the backup servers running, 2003/2000? Which service 
> pack?
> >> > Some tapes are bad. Some drives are bad, describe more the
> >> > details of when this this happening... Thx.
> >> >
> >> > -----Original Message-----
> >> > From: Legato NetWorker discussion
> >> > [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU]
> >> > On Behalf Of Albert Eddie Contractor AFRPA/ESS
> >> > Sent: Friday, September 02, 2005 1:14 PM
> >> > To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
> >> > Subject: [Networker] Premature marking tapes full
> >> >
> >> > Fairly new install (3 months)
> >> > ADIC SCALAR 24s and ADIC SCALAR 100
> >> > Networker for Windows 7.2
> >> >
> >> > I have 3 sites similar hardware and identical installs
> >> >
> >> > All 3 sites have tapes being marked very prematurely as FULL
> >> > when they are no where near it.
> >> >
> >> > 178 MB tape marked as full on a 200GB natural LTO2 tape.
> >> >
> >> > ADIC points to software, Legato points to ADIC here I am
> >> > stuck in the middle with you!
> >> >
> >> > Any ideas what could be causing this?
> >> >
> >> > Semper Fidelis, /ALE
> >> >
> >> > Eddie Albert, Network Serf
> >> > Air Force Real Property Agency
> >> > Executive Services/Computer Systems
> >> > Desk (703) 696 - 5509 - Hip (703) 517-3855
> >> > Eddie.Albert AT afrpa.Pentagon.af DOT mil
> >> >
> >> > To sign off this list, send email to
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> >> >
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> >>
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> >
> >--
> >Maarten Boot,
> >Compuware Europe B.V.
> >Hoogoorddreef 5
> >1101 BA Amsterdam
> >Tel: +31 20 312 6511
> >
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> >=========================================================================
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