this is slightly off topic but im just wondering why spend thousands of dollars when u can just setup another server and backup everything to a raided hard drive array?
On 7/2/08, Steve Cousins <[EMAIL PROTECTED]> wrote: > > > > Just under 60MB/sec seems to be the maximum tape transport read/write >> limit. Pretty reliably the first write from the beginning of tape was a >> bit slower than writes started further into the tape. >> > > I believe LTO-3 is rated at 80 MB/sec without compression. Testing it on > our HP unit in an Overland library I get: > > WRITE: > > dd if=/dev/zero of=/dev/nst0 bs=512k count=10k > 10240+0 records in > 10240+0 records out > 5368709120 bytes (5.4 GB) copied, 71.8723 seconds, 74.7 MB/s > > READ: > > dd of=/dev/null if=/dev/nst0 bs=512k count=10k > 10240+0 records in > 10240+0 records out > 5368709120 bytes (5.4 GB) copied, 69.2487 seconds, 77.5 MB/s > > I used a 512K block size because that is what I use with our backups and it > has given optimal performance since the DLT-7000 days. > > Good luck, > > Steve > ______________________________________________________________________ > Steve Cousins, Ocean Modeling Group Email: [EMAIL PROTECTED] > Marine Sciences, 452 Aubert Hall http://rocky.umeoce.maine.edu > Univ. of Maine, Orono, ME 04469 Phone: (207) 581-4302 > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org > To change your subscription (digest mode or unsubscribe) visit > http://www.beowulf.org/mailman/listinfo/beowulf > -- Jonathan Aquilina
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