hello, no it couldn't, because we calculated it excluding the mounting time .... when the data started to be transfered and written to the tape
Thx Sandra --- "Fletcher, Leland D." <[EMAIL PROTECTED]> wrote: > A comment about performance being 9 minutes to tape > and 75 seconds to disk. > Is it possible that most of the 9 minutes was tape > mount and positioning > time? > > > > Please respond to "ADSM: Dist Stor Manager" > <[EMAIL PROTECTED]> > > Sent by: "ADSM: Dist Stor Manager" > > <[EMAIL PROTECTED]> > > To: [EMAIL PROTECTED] > > cc: > > > > Subject: Performance again!!! > > > > Hello everybody, > > > > It seems like TSM performance problems will neer > > end!!! > > > > Here is the new problem: > > > > The customer is running TSM 4.2.1.0 on a Windows > > 2000 > > server machine . An IBM rack case 82XX which > > contains > > a Quantum DLT8000 tape drive is connected to the > > server. > > The driver version for the Quantum DLT drive is > 1.5 > > and > > is installed on the W2K machine. We tried a backup > > of > > 350MB on the local server with the Windows 2000 > > Backup > > > > utility and it took us approximately 75 seconds . > > > > Next , we tried the same Backup from TSM using its > > Device Driver and it took us about 9 minutes . We > > tried switching TSM to use the Native device > driver > > but still we got the same performance result . > > > > So we upgraded to 4.2.2 ; In the Device Manager > for > > TSM,we can see that TSMSCSI.exe is upgraded to > > 4.2.2.25 and the ADSMSCSI.sys is 4.2.2.3 . The > > server > > has a version of 4.2.2.25 . Still , we obtained > > poor > > backup performance . > > > > We suspected that maybe it was a database > bottleneck > > ( eventhough it is still empty) ; so we tried the > > same > > Backup using TSM but the destination was on the > > HardDisk. > > The performance was good and the backup finished > > within 75seconds . So, we can eliminate the > > database > > problem. > > Also, we noticed with version 4.2.2.0 that it is > > crashing frequently . It was exiting abnormally . > > > > On the site of tivoli, the latest version of TSM > > server is 4.2.2 . We do not have the 5.1 release . > > > > does anyone have a suggestion? > > > > thx a lot > > Sandra > > > > __________________________________________________ > > Do You Yahoo!? > > LAUNCH - Your Yahoo! Music Experience > > http://launch.yahoo.com <http://launch.yahoo.com/> > > > > Lee Fletcher > Network Project Integrator > Ameren Callaway Plant > 573-676-4106 > [EMAIL PROTECTED] __________________________________________________ Do You Yahoo!? LAUNCH - Your Yahoo! Music Experience http://launch.yahoo.com
