Re: Disk performance problem

2010-03-04 Thread Olaf Reitmaier Veracierta
On 25/02/10 05:18, Veli Cakmak wrote: Dear Friends; I have servers which contain SATA disks and SAS disks. I was testing the speed of writing on these servers and I recognized that SAS 10.000 disks much more slowly than the SATA 7200. What do you think about this slowness? What are the rea

Re: Disk performance problem

2010-02-25 Thread Stan Hoeppner
Veli Cakmak put forth on 2/25/2010 3:48 AM: > The PC with SATA disk gives below rate (value) 7200 rpm > > 100+0 records in > > 100+0 records out > > 102400 bytes (1.0 GB) copied, 5.55338 s, 184 MB/s (this is proxy server > with 100 users)(sw raid1) I dare say 184MB/s write throughp

Re: Disk performance problem

2010-02-25 Thread Dirk Neumann
On Thu, 25 Feb 2010 11:48:27 +0200 Veli Cakmak wrote: > Dear Friends; > > I have servers which contain SATA disks and SAS disks. I was testing the > speed of writing on these servers and I recognized that SAS 10.000 disks > much more slowly than the SATA 7200. What do you think about this slowne

Disk performance problem

2010-02-25 Thread Veli Cakmak
Dear Friends; I have servers which contain SATA disks and SAS disks. I was testing the speed of writing on these servers and I recognized that SAS 10.000 disks much more slowly than the SATA 7200. What do you think about this slowness? What are the reasons of this slowness? Thank you for your h