Patricia,
 
It looks to me that you're not forcing Legato to use a specific block 
size. We use a windows environment setting to force legato to use 128k 
blocks and as such Legato will use the system default (64k).
 
NSR_DEV_BLOCK_SIZE_SDLT=128
 
The output you've sent shows that your scsi adapter is configured to allow 
128k blocks (=131072 bytes), but defaults to 64k blocks.
 
Currently I don't have experience with LTO, but will soon have as my 6x 
LTO3 library came in this week :)
 
Kind regards,
 
Pascal

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