The documentation still needs to be update to reflect this information.
At 09:19 AM 2/17/2003 +0100, you wrote:
How about setting diskmap to yes. I think this is lowers the IOwait alot. ----------------------------------- Christian Pallinder Exist i Stockholm AB Propellerv�gen 6B 183 62 T�by Mobil: +46 (0)70 - 399 27 58Paul Ripke <[EMAIL PROTECTED]> Sent by: "ADSM: Dist Stor Manager" <[EMAIL PROTECTED]> 2003-02-14 12:30 Please respond to "ADSM: Dist Stor Manager" To: [EMAIL PROTECTED] cc: Subject: Re: improving performance on solaris 2.8 We found a similar improvement moving dbvols, logvols and disk storage pool volumes to VXVM raw devices - running both Solaris 7 and Solaris 8. On Friday, Feb 14, 2003, at 03:13 Australia/Sydney, Lee, Gary D. wrote: > We have tsm server 4.2.1 running under solaris 2.8 on a sun 3500. > > Had plenty of memory (2gb) and a reasonable amount of disk. However, > performance even with a gigabit ethernet was less than adequate. > > Acting on a couple of replies received from this list, I modified the > vfstab and changed the database, log, and stgpool file systems to > "forcedirectio". > > Throughput went up by a factor of five or more for almost all clients. > Clients with backups of a few large files, showed an increase of > fifteen times throughput. > > Thought this info might help someone. > > > Gary Lee > Senior Operating Systems Analyst > Ball State University > phone 765-285-1310 > > > -- Paul Ripke Unix/OpenVMS/TSM/DBA 101 reasons why you can't find your Sysadmin: 68: It's 9AM. He/She is not working that late. -- Koos van den Hout
Dave Canan TSM Performance IBM Advanced Technical Support [EMAIL PROTECTED]
