We had to disable this "feature" because of the number of problems it
caused us. We never could get a fix from STK.

________________________________

From: veritas-bu-bounces at mailman.eng.auburn.edu
[mailto:veritas-bu-bounces at mailman.eng.auburn.edu] On Behalf Of
jakub.bielecki at comtegra.pl
Sent: Tuesday, August 08, 2006 07:19
To: veritas-bu at mailman.eng.auburn.edu
Subject: [Veritas-bu] buffering in FC/SCSI router



Dear subscribers, 

FC/SCSI router StorageTek SN3300 (actually Crossroads OEM) has a nice
option to buffer tape I/O, which 
have proven to greatly increase performance. 

However when used with NetBackup, this buffering causes error "EOM
returned when writing media header" 
every time job fills up a tape and tries to label a new one. So it's
basicly unusable. 

Anyone out there managed to fix this behaviour and utilized router
buffering? 

My environment is: 
- HP LTO3 SCSI (fw G24S or G27S) 
- router StorageTek SN3300 (fw 5.6.4f) 
- NetBackup 5.1 MP4 
- Windows 2000 or 2003 
- tape drives Veritas 5.1.1.1 or HP 1.0.3.1 

regards, 
Jakub
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