Gerrit,
   While I am not familiar w/ how this functions on Solaris, I was getting
error 84s on HPUX using HP LTO and L700.  It turned out that my
NET_BUFFER_SZ was to high.  I pulled it down to 256k and I stopped freezing
media.

HTH!
Eric


-----Original Message-----
From: Gerrit Bos [mailto:gbos AT uoguelph DOT ca]
Sent: Wednesday, September 18, 2002 12:32 PM
To: NetBackup List
Subject: [Veritas-bu] Error 84 on HP LTO drives


I am getting error 84's on HP LTO drives in an HP L700 library.  The
tapes succesfully mount, and start writing a backup image, but after
about 1.8 GB stops with an error 84:

09/18/2002 11:04:23 wayback chico.cs  FREEZING media id 700002, too many
data
                    blocks written, check tape/driver block size
configuration

We are using Netbackup 3.4 patched to NB_34_3 on Solaris 8.

The Veritas knowledge base references this exact error, with the advice
to:
Configure the /kernel/drv/st.conf file so that drives are being written
in variable length mode.
See: http://seer.support.veritas.com/docs/248548.htm

Based on Solaris documentation, our entry in st.conf reads:

"HP      Ultrium", "HP Ultrium", "ULTRIUM",
ULTRIUM = 1,0x36,0,0xd639,4,0x00,0x00,0x00,0x40,3;

The drives in question are HP LTO/Utrium 1 SCSI Model A6323A HVDS

Where the 3 field as '0' is supposed to be variable length.  Doesn any
one either know what the problem is, or have a working st.conf entry for
HP Ultrium drives?

Thanks very much in advance....Gerrit

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