First thing is NAS puts double load on the network. If you have the NAS box on a different interface with Gigabit connectivity that would help. Also Gigabit to your TSM server.
Divide the data up into as many drive letters (filesystems) as you can so that you can run simultaneous backups/restores as multiple threads. Setup the Resourceutlization has high as you can tolerate. You really needed to go for SAN on this. The IP stack overhead for CIFS is very high which is how the NAS box communicates with the NT server. There may be some other options to use the NDMP capabilities of TSM check into that. It may do what you want and improve performance dramatically. Especially, if the NAS box has SAN connectivity capabilities for backup and recovery. Paul D. Seay, Jr. Technical Specialist Naptheon Inc. 757-688-8180 -----Original Message----- From: Kauffman, Tom [mailto:[EMAIL PROTECTED]] Sent: Wednesday, July 31, 2002 4:05 PM To: [EMAIL PROTECTED] Subject: question on configuring large NT client for optimum restore proce ssing What's the preferred method of configuring a large NT fileserver for optimum data recovery speed? Can I do something with co-location at the filesystem (what IS a filesystem in NT/2000?) level? We're bringing in an IBM NAS to replace four existing NT servers and our recovery time for the existing environment stinks. The main server currently has something over 800,000 files using 167 GB (current box actually uses NT file compression, so it's showing as 80 GB on NT). We had to do a recovery last year (raid array died) and it ran to 40+ hours; I'm getting the feedback that over 20 hours will be un-acceptable. The TSM server and the client code are relatively recent 4.2 versions and will be staying at 4.2 for the rest of this year (so any neat features of TSM 5 would be nice to know but otherwise unuseable :-) To add to the fun and games, this will be an MS cluster environment. With 1.2 TB of disk on it. We do have a couple of weeks to play around and try things out before getting serious. One advantage to the MSCS is that disk compression is not allowed, so that should speed things up a bit on the restore. Tom Kauffman NIBCO, Inc
