Allen, we have disk performing up to 280MB/s over 2 FC HBA against a FAStT900. You know the amount of tape drives you would need to match that speed? I'd say about 4-5 LTO-2 tape drives.....
No problems matching disk speed against tape speed. Only a matter of budget :) But I do agree with you in your basic opinion. If you've got a limited budget, a single LTO-2 drive is normally faster than running against internal SCSI-disks or S-ATA disks. Best Regards Daniel Sparrman ----------------------------------- Daniel Sparrman CIO Exist i Stockholm AB Propellervägen 6B 183 62 TÄBY Växel: 08 - 754 98 00 Mobil: 070 - 399 27 51 [EMAIL PROTECTED] Sent by: "ADSM: Dist Stor Manager" <[EMAIL PROTECTED]> 2004-11-08 17:19 Please respond to "ADSM: Dist Stor Manager" <[EMAIL PROTECTED]> To [EMAIL PROTECTED] cc Subject Re: Backup options ==> In article <[EMAIL PROTECTED]>, William Rosette <[EMAIL PROTECTED]> writes: > It is currently running at 55.945 GB per hour going to tape (1 tape drive > (collocate)), pretty good for tape drive speed. Disk would make the backup > run faster with multi-streams. Cannot go to multi-tapes due to slow > recovery. Other option would be to break the backup into 2 separate backups > running simultaneously, probably nightmare admistrativewise. Say more about "slow recovery" when you do mulitple sessions to tapes? If you've got the disk to sustain the backup, that will help, but I've not yet seen a disk solution that measures up to the tape speeds. - Allen S. Rout
