>From http://www.openstore.com/tape-lto3vsdlt600.htm

LTO3 spec is 80MB/s Native, and 160MB/s Compressed.

I would rarely expect more than 100MB/s sustained unless you were
backing up huge, multi-gig, uncompressed ASCII text files direct from
highspeed disk to fiber attached tape drives.

Paul

-- 


> -----Original Message-----
> From: veritas-bu-bounces at mailman.eng.auburn.edu 
> [mailto:veritas-bu-bounces at mailman.eng.auburn.edu] On Behalf 
> Of Justin Piszcz
> Sent: July 11, 2006 5:52 PM
> To: veritas-bu at mailman.eng.auburn.edu
> Subject: [Veritas-bu] LTO3 Drive Speed Poll
> 
> 
> The group I work with is expecting 160-200MB/s megabytes per 
> second on an 
> LTO3 with compression.  I did some tests today with 7 RAID1 
> SCSI drives.
> 
> 67GB x 7
> 
> On each volume was 3 20GB tar files.
> I got 78-82MB/s sustained total, 12-16MB/s on each thread (7 
> multistreamed).
> 
> The tar files are representative of a typical file system in our 
> environments.
> 
> What speeds have other members gotten when doing speed 
> testing to LTO3 
> drives?
> 
> Justin.
> 
> _______________________________________________
> Veritas-bu maillist  -  Veritas-bu at mailman.eng.auburn.edu
> http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
> 
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