Seems we have found an area that can bog down restoring BACKUPSETS. The create backupset writes 32K blocks an will slow down any tape device that performs better at 256K, for example.
Anybody know if there is a way to write larger blocks when creating BACKUPSETS? Thanks. John At 10:10 AM 2/8/02 +0000, you wrote: >Switch on perform tracing on the client. >This will break down where the time is being spent, so you can identify your >bottleneck >I was seeing circa 3 mb. sec restoring a netware client from 9840 across a >network >With a directly attached tape and an AIX client you ought to get better. >John > > > > > >John Bremer <[EMAIL PROTECTED]> on 02/07/2002 11:07:01 PM > >Please respond to "ADSM: Dist Stor Manager" <[EMAIL PROTECTED]> > >To: [EMAIL PROTECTED] >cc: (bcc: John Naylor/HAV/SSE) >Subject: restoring backupsets > > > >*SMers, > >We're trying to restore a backupset from 9840 media. Our tape drive is >attached to an AIX client and we are seeing only 1-2 MB/sec data transfer >rates. > >Is there a reason why we don't see tape and/or disk speeds on this >restore? The disk should run at 14-15 MB/sec and the SCSI 9840 at 10 MB/sec. > >THanks. John Bremer > > > > > > > > >********************************************************************** >The information in this E-Mail is confidential and may be legally >privileged. It may not represent the views of Scottish and Southern >Energy plc. >It is intended solely for the addressees. Access to this E-Mail by >anyone else is unauthorised. If you are not the intended recipient, >any disclosure, copying, distribution or any action taken or omitted >to be taken in reliance on it, is prohibited and may be unlawful. >Any unauthorised recipient should advise the sender immediately of >the error in transmission. > >Scottish Hydro-Electric, Southern Electric, SWALEC and S+S >are trading names of the Scottish and Southern Energy Group. >**********************************************************************
