Re: (LONG) ATA Benchmark: 5.x Reads Slower than Writes

2005-04-09 Thread Jim C. Nasby
Have you been certain to disable write caching on the drives? If not I bet that's what you're seeing (which also means you're begging for database corruption). -- Jim C. Nasby, Database Consultant [EMAIL PROTECTED] Give your computer some brain candy! www.distributed.net Team #1828

Re: (LONG) ATA Benchmark: 5.x Reads Slower than Writes

2005-04-08 Thread Doug White
On Fri, 8 Apr 2005, Danny Howard wrote: > I don't have the time and hardware to do very scientific tests, but I > have been able to run a series of benchmarks using bonnie++ on some > systems I have available to me. The ATA-based gmirror performs > extremely well, compared to a few Adaptec RAIDs

Re: (LONG) ATA Benchmark: 5.x Reads Slower than Writes

2005-04-08 Thread Ean Kingston
On April 8, 2005 04:41 pm, Danny Howard wrote: > Hello, > > BACKGROUND > > I need to purchase a new system for our developers, for use as a > Postgres database test server. Having a RAID, probably RAID1, is > desirable for performance and reliability. I have recently set up a > system with a gmir

(LONG) ATA Benchmark: 5.x Reads Slower than Writes

2005-04-08 Thread Danny Howard
Hello, BACKGROUND I need to purchase a new system for our developers, for use as a Postgres database test server. Having a RAID, probably RAID1, is desirable for performance and reliability. I have recently set up a system with a gmirror-based software RAID1 on a pair of 250GB ATA drives. I woul