I thought LTO2 Devices were only 40 MB/s devices??

-----Original Message-----
From: EMC NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On
Behalf Of Greggs, Dana
Sent: Tuesday, January 30, 2007 8:52 AM
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Subject: Re: [Networker] Cannot Decode block on Networker using Windows


Windows can handle larger block sizes, it just that the "Default" size
is 64kb. Refer to Legato's Performance Tuning Guide. I did it on all 5
of our backup server's and I routinely get 50-80 MB write speeds using
LTO-2 drives.

Thanks,

Dana
-----Original Message-----
From: EMC NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On
Behalf Of Dag Nygren
Sent: Wednesday, January 24, 2007 11:05 AM
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Subject: Re: Cannot Decode block on Networker using Windows

> I am currently cloning some old super dlt tapes to our new LTO tapes.
I 
> have completed 12 of 22 tape but i am now getting an error on the rest
of 
> the tapes saying "Cannot Decode block". Apparently this is something
to do 
> with the data on the tape being written in a block size of 128K and
windows 
> only being able to handle 64K max.
> 
> Our support people are telling us they need to change a registry
setting on 
> our backup server, i think it is to do with a HBA setting.
> 
> I am bit nervous about changing a registry setting to fix this issue,
could 
> anyone else give me some ideas on what to try before i make this
change.

If they are talking about Scatter/Gather buffers they are on the right
track.
Just go ahead!

Best
Dag

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