It sounds like we have had these issues across various H/W (SERVER/SCSI
Controller) and S/W (OS) platforms.

The only two things that are constant are the ADIC libraries and the
Networker software.

Of course this is ugly way to put it knowing they probably have one
programmer writing code for *nix and another writing for "other
platforms".

/ALE
 

> -----Original Message-----
> From: Legato NetWorker discussion 
> [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On Behalf Of Librado Pamintuan
> Sent: Friday, September 02, 2005 1:57 PM
> To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
> Subject: Re: [Networker] Premature marking tapes full
> 
> Good morning,
> 
> 
> "Been there, done that".
> 
> I still have an open call to Legato regarding the same 
> problem/issue, but mine is very easy for Legato to point at 
> the O/S because I'm using Red Hat ES3 kernel 2.4.21, 
> according to them I have to upgrade to kernel 2.4.29 which is 
> more stable and much compatible with most SCSI 
> devices/drivers. Did that, downloaded the kernel, compiled, 
> rebooted and put in production, still getting the same 
> problem/issues, but not as frequent as before.
> Since that you are on Windows platform, most likely your 
> problem is related to SCSI drivers (go to your adapter's web 
> site and check for the latest drivers). Don't know if you can 
> tweak tape block size on Windows, also I won't recommend it, 
> might end up that you won't be able to read from your 
> previous backup tapes.
> 
> 
> regards,
> 
> 
> 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
> 
> >>> stan AT TEMPLE DOT EDU 09/02/05 11:23 am >>>
> On Sep 2, 2005, at 1:14 PM, Albert Eddie Contractor AFRPA/ESS wrote:
> 
> > 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?
> 
> It might be a SCSI problem, or possibly an issue with how the 
> 
> blocking factor is set. Can you write data to a scratch tape directly 
> 
> from the OS? Do you have any errors in your system logs?
> 
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> 
> 
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