[CentOS] Linux tool to check random I/O performance

2013-10-01 Thread mcclnx mcc
we just purchase new I/O card and like to check I/O performance. for sequence I/O performance test we can use hdparm -t /dev/xxx bur for random I/O performance test which Linux command I can use? ** our environment does NOT allow install third party software.. Thanks

Re: [CentOS] Linux tool to check random I/O performance

2013-10-01 Thread John R Pierce
On 10/1/2013 4:37 AM, mcclnx mcc wrote: bur for random I/O performance test which Linux command I can use? you asked this a month ago and got several replies. -- john r pierce 37N 122W somewhere on the middle of the left coast

Re: [CentOS] Linux tool to check random I/O performance

2013-09-05 Thread John Doe
From: Warren Young war...@etr-usa.com On 9/4/2013 13:44, mcclnx mcc wrote: I use Bonnie++ for that: +1 for Bonnie++ You could also try sysbench JD ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] Linux tool to check random I/O performance

2013-09-05 Thread Alexander Dalloz
Am 04.09.2013 21:44, schrieb mcclnx mcc: we just purchase new I/O card and like to check I/O performance. for sequence I/O performance test we can use hdparm -t /dev/xxx I think hdparm is really sub-optimal. hdparm -t will not give you any reliable value. dd instead lets you control

[CentOS] Linux tool to check random I/O performance

2013-09-04 Thread mcclnx mcc
we just purchase new I/O card and like to check I/O performance. for sequence I/O performance test we can use hdparm -t /dev/xxx bur for random I/O performance test which Linux command I can use? ** our environment does NOT allow install third party software.. Thanks

Re: [CentOS] Linux tool to check random I/O performance

2013-09-04 Thread m . roth
mcclnx mcc wrote: we just purchase new I/O card and like to check I/O performance. for sequence I/O performance test we can use hdparm -t /dev/xxx bur for random I/O performance test which Linux command I can use? ** our environment does NOT allow install third party software.. What do you

Re: [CentOS] Linux tool to check random I/O performance

2013-09-04 Thread Warren Young
On 9/4/2013 13:44, mcclnx mcc wrote: for sequence I/O performance test we can use hdparm -t /dev/xxx bur for random I/O performance test which Linux command I can use? I use Bonnie++ for that: http://www.coker.com.au/bonnie++/ Actually, I've been using the experimental pre-2.x version: