Could you elaborate on why the log should be in smaller volumes? I have always heard the DB should, because it opens multiple threads with multiple volumes, but since the log is sequentially written to for the most part, I can't figure out why that should be in multiple volumes. Thanks.
On 7/30/07, Charles A Hart <[EMAIL PROTECTED]> wrote: > > Your DB and Log shold be RAW as well, and in small vols. (ie 12GB log > should be in 2-3GB VOls, DB, vols, depengin on size of db should be 5-10GB > vols. Also try to make sure the raw logical vols are evenly spread > accross as many LUNs as possible. > > Charles Hart > > > > > > "Stapleton, Mark" <[EMAIL PROTECTED]> > Sent by: "ADSM: Dist Stor Manager" <[email protected]> > 07/29/2007 07:03 AM > Please respond to > "ADSM: Dist Stor Manager" <[email protected]> > > > To > [email protected] > cc > > Subject > Re: [ADSM-L] TSM performance very poor, Recovery log is being pinned > > > > > > > From: ADSM: Dist Stor Manager on behalf of Craig Ross > >TSM is installed on Solaris 10 > > This is something that popped right out for me. Do you have your storage > pools located on raw logical volumes or mounted filesystems? If the > latter, that might be your problem. Solaris has traditionally had > incredibly poor throughput performance on mounted filesystems. > > You might give thought to rebuilding those storage pools on raw logical > volumes. Of course, that will require that you completely flush all data > from your disk storage pools to tape storage pools first, so as not to > lose client data. > > -- > Mark Stapleton ([EMAIL PROTECTED]) > Berbee Information Networks (a CDW company) > > > > This e-mail, including attachments, may include confidential and/or > proprietary information, and may be used only by the person or entity to > which it is addressed. If the reader of this e-mail is not the intended > recipient or his or her authorized agent, the reader is hereby notified > that any dissemination, distribution or copying of this e-mail is > prohibited. If you have received this e-mail in error, please notify the > sender by replying to this message and delete this e-mail immediately. > -- Andy Carlson --------------------------------------------------------------------------- Gamecube:$150,PSO:$50,Broadband Adapter: $35, Hunters License: $8.95/month, The feeling of seeing the red box with the item you want in it:Priceless.
