Re: Tru64 Direct I/O

2003-01-10 Thread Hemant K Chitale
I have been running 8.1.7.2 on Tru64 5.1 on a SAN. However, the Database Server and the Application Server [Apps R11] are the only servers on the SAN {and that's why I say SAN in quotes !} I had set _tru64_directio_disabled=TRUE in my database in June 2002 [after having upgraded from 8.0.5 in

RE: Tru64 Direct I/O

2003-01-10 Thread Hand, Michael T
Thanks, Stephen I'll pass this along to our SA's. We will be migrating to the Compaq SAN; upgrading our controllers to fiber (HSG80's ?) but we have 2 older 8400's as production primary failover, and yes, they both have access to the same disk farm, though not concurrently (currently).

Tru64 Direct I/O

2003-01-09 Thread Hand, Michael T
Title: Message OK, everything I've read so far on using Direct I/O with an Oracle database says it's a bad idea. Either performance problems or block corruption may occur. The notes on metalink (132391.1)refer to Tru64 5.0A and 5.1 but not 5.1A (to which we've recently upgraded). So is

Re: Tru64 Direct I/O

2003-01-09 Thread Stephen Andert
Mike, Compaq SAN and Tru64 and direct I/O have been nothing but trouble in my recent experience. I put in over 35 hours over Christmas and last weekend working on recoveries of system crashes. Our problem appears to have been relating to the fact that several machines had mount points on disks