Steve Yes, we've noticed the same and it's a right pain.
The TSM for VE incremental backup processing need to read the CTL files stored during previous backups. We store these on primary disk on the TSM server and back them up to copy storage pools on tape (not collocated). The VM proxy servers are running LAN-free and instead of the proxy server reading this data off the disk copy, it mounts the tapes from the copy storage pool. This has all sorts of horrible side effects: - it slows down the TSM for VE backup while waiting for the tape mount - concurrent TSM for VE backups are contending for the same cartridge - during periods of tape drive contention, because the restore of the CTL files is a higher priority operation it can pre-empt other backups I've had a PMR open on the issue for over 12 weeks now, but am struggling to make any head way. Regards Neil Schofield Technical Leader Yorkshire Water ---------------------------------------- Spotted a leak? If you spot a leak please report it immediately. Call us on 0800 57 3553 or go to http://www.yorkshirewater.com/leaks Get a free water saving pack Don't forget to request your free water and energy saving pack, it could save you money on your utility bills and help you conserve water. http://www.yorkshirewater.com/savewater The information in this e-mail is confidential and may also be legally privileged. The contents are intended for recipient only and are subject to the legal notice available at http://www.keldagroup.com/email.htm Yorkshire Water Services Limited Registered Office Western House, Halifax Road, Bradford, BD6 2SZ Registered in England and Wales No 2366682
