Simon, 
Is this 4TB on a single filesystem? I'm guessing not....
how many different drive letters? how big is each?
Is each drive letter on a sparate LUN/RG on the SAN, or do you have a
couple of 1TB LUNs that you partition or combine on the host side into
what you need.
 
I've got one server here with a single drive letter on a single 2TB LUN
(one large volume) that has only about 1.2TB utilized, but it has over 4
million files.
 
Attaching a tape drive will do nothing for that guy.....it just takes
forever for NBU to walk the filesystem.
 
Paul
 
 
-- 

        -----Original Message-----
        From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of WEAVER,
Simon (external)
        Sent: June 13, 2007 1:08 AM
        To: 'Wilkinson, Tim'; Khurram Tariq;
veritas-bu@mailman.eng.auburn.edu
        Subject: Re: [Veritas-bu] Spam: NBU 6 Tuning for Small Files
Backup
        
        
        what sort of files are they? We have a SAN Media Server, via
fibre, with NBU 5.1 via LTO3 Tapes and get good throughput.
         
        Its a Windows box though! But does the job - used to take 42
hours, but now down to 16 hours - approx 4TB - huge mix and match of
file sizes. from 2kb to 1mb !
         
        No tuning was done, no flashback was implemented.
         

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