>What types of things should I look at to get better performance?
>
>-----Original Message-----
>From: Kelly J. Lipp [mailto:lipp AT STORSOL DOT COM]
>Sent: Thursday, January 14, 1999 6:37 PM
>To: ADSM-L AT VM.MARIST DOT EDU
>Subject: Re: Speed of Magstar 3570
>
>
>My experience has been more similar to the 14 GB in 40 minutes.  This using
>either NT or AIX.
>
>Kelly J. Lipp
>Storage Solutions Specialists, Inc.
>www.storsol.com
>lipp AT storsol DOT com
>(719)531-5926
>
>-----Original Message-----
>From:   Jeff Connor
>Sent:   Thursday, January 14, 1999 3:12 PM
>To:     ADSM-L AT VM.MARIST DOT EDU
>Subject:        Re: Speed of Magstar 3570
>
>Sounds like the bottleneck is ADSM not the 3570.  Have you gotten better
>performance with different ADSM servers with another kind of drive?  I've
>backed up 14GB in 40mins using a 3570C in a 3575 library with an ADSM NT
>server.  Just curious.  Thanks
>
>
>
>
>
>
>John Fowler <John.Fowler AT LA-Z-BOY DOT COM> on 01/14/99 03:37:42 PM
>
>Please respond to "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
>
>To:   ADSM-L AT VM.MARIST DOT EDU
>cc:    (bcc: Jeffrey P Connor/IT/NMPC)
>Subject:  Re: Speed of Magstar 3570
>
>
>
>
>According to IBM:
>Drive performance:
>        Native sustained data rate
>                B: 2.2MB/sec
>                C: 7.0MB/sec
>        Compressed sustained data rate
>                B: 6.6MB/sec (3:1)
>                C: 15.0MB/sec (maximum)
>        SCSI burst data rate 20MB/sec
>Capacity
>        Per cartridge 5GB up to 15GB (with 3:1 LZ1 compression)
>        Per 3570 library 100GB up to 300GB (with 3:1 LZ1 compression)
>
>I have done testing here and we achieve from the ADSM server to the Magstar
>3570 a aggregate tranfer rate of approx 1MB/Sec. There are better/faster
>tape subsystems to buy.
>
>Hope this helps.
>
>-----Original Message-----
>From: Johan Pol [mailto:JPOL AT NL.IBM DOT COM]
>Sent: Thursday, January 14, 1999 12:35 PM
>To: ADSM-L AT VM.MARIST DOT EDU
>Subject: Speed of Magstar 3570
>
>
>Hi all,
>
>Has someone measured the speed of the Magstar 3570 tapeunit ?
>
>with kind regards, / met vriendelijke groeten,
>Johan Pol
>Boerhaavelaan 11 - 2713 HA - Zoetermeer - Tel. (+31)79 3223051 - Fax.
>(+31)79 3213989
>Internet :JPol AT nl.ibm DOT com / johan.pol AT xerion.be.philips DOT com