I can verify Davina's claim: we have SDLT600s and get "Block
size is 65538 bytes not 131072 bytes" msgs, but we do not have
problems with restores.
steve
- - -
systems & network manager
high energy physics
university of wisconsin
> ---- Original Message ----
> From: Davina Treiber
> Ty,
>
> In this case the reference to block size is almost certainly a red
> herring. The message quotes 32768, well that wouldn't have been the
> block size used on your previous drives anyway.
>
> You are basically looking at a common or garden i/o error of some kind,
> related to fibre or SCSI. Don't waste any time messing with any block
> size settings.
>
>
> Ty Young wrote:
>
> >
> > I just made the cut-over from a SCSI-attached L180 (4 x SDLT320) library
> > connected to a Solaris 8 host, to a FC-attached L500 (4 x LTO3) into 2 x
> > T2000 hosts.
> >
> > I now want to continue using my L180 as a "read-only" library for all my
> > old tapes, so I hooked into an available Dell PowerVault 35F FC-SCSI bri
> dge
> > and then hooked the bridge into my Brocade 4100 switch (into which all t
> he
> > other devices and HBAs are attached.)
> >
> > After zoning the bridge to one of my HBAs, I can see all four SDLT drive
> s
> > and the changer works just fine, but reading any of my old SDLT tapes
> > results in block size errors and the inability to successfully restore
> > data. Here's an example:
> >
> > 05/17/06 15:26:58 nsrd: media event cleared: confirmed mount of FRZ645 o
> n
> > rd=dlsnbk02:/dev/rmt/6cbn
> > 05/17/06 15:26:58 nsrd: dalsn004:index:dlwsis08 (5/27/05) starting read
> > from FRZ645 of 25 MB
> > 05/17/06 15:27:13 nsrd: media warning: rd=dlsnbk02:/dev/rmt/6cbn moving:
> > fsf 35: drive status is The tape drive is ready for use
> > 05/17/06 15:28:40 nsrd: media warning: rd=dlsnbk02:/dev/rmt/6cbn moving:
> > fsr 5890: drive status is The tape drive is ready for use
> > 05/17/06 15:28:41 nsrd: media emergency: could not position FRZ645 to fi
> le
> > 35, record 5891
> > 05/17/06 15:30:34 nsrd: media warning: rd=dlsnbk02:/dev/rmt/6cbn reading
> :
> > Error 0
> > 05/17/06 15:30:40 nsrd: media notice: Volume "FRZ645" on device
> > "rd=dlsnbk02:/dev/rmt/6cbn": Block size is 32768 bytes not 131072 bytes.
> > Verify the device configuration. Tape positioning by record is disabled.
> > 05/17/06 15:30:55 nsrd: media warning: rd=dlsnbk02:/dev/rmt/6cbn moving:
> > fsf 35: drive status is The tape drive is ready for use
> > 05/17/06 15:33:21 nsrd: media warning: rd=dlsnbk02:/dev/rmt/6cbn moving:
> > fsf 35: drive status is The tape drive is ready for use
> > 05/17/06 15:35:50 nsrd: media warning: rd=dlsnbk02:/dev/rmt/6cbn moving:
> > fsf 35: drive status is The tape drive is ready for use
> >
> > I've determined with mt -f /dev/rmt/6cbn config that the st driver is
> > properly configured (well, at least it's configured enough that a
> > standalone SDLT320 drive plugged into a SCSI card on the T2000 works jus
> t
> > fine for reads and writes.)
> >
> > I'm new at the whole FC thing, so I'm probably overlooking something
> > simple, but I need your help.
>
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