Re: Very slow I/O performance on HP BL465c

2009-08-11 Thread Krassimir Slavchev
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Looks okay. How your disks are partitioned and from where you are running dbench. Look at the -D option. For example I have: / without soft updates dbench -t 10 4 -> Throughput 72.7276 MB/sec 4 procs /var with soft updates -> Throughput 286.528 MB/sec

RE: Very slow I/O performance on HP BL465c

2009-08-11 Thread Nathan Le Nevez
# vmstat -i interrupt total rate irq1: atkbd0 18 0 irq5: ohci0 ohci1+ 1 0 irq19: ciss0 144916 3 irq21: uhci0 22 0 cpu0: timer

Re: Very slow I/O performance on HP BL465c

2009-08-11 Thread Krassimir Slavchev
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi, What is the output of 'vmstat -i' and 'camcontrol tags da0' ? I have a ML350 running 7-STABLE with same controller and disks and performance is almost same as your good server. Nathan Le Nevez wrote: > Hi, > > I'm running 7.2-p3 on 2x HP BL465c