Messages in this thread | | | Date | Sat, 8 Mar 2014 21:14:50 +0100 | From | markus <> | Subject | Re: Slow I/O performance on SAS1064 |
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On Fri, Mar 07, 2014 at 08:24:48AM -0800, Purush Gupta wrote: > I noticed you had benchmarked only sda target, is the behavior same on > other targets? > Yes the other disk are equal to sda , but they are used with zfs and there were other preformance problems because of the multible disk access. config:
NAME STATE READ WRITE CKSUM home ONLINE 0 0 0 raidz1-0 ONLINE 0 0 0 sdb ONLINE 0 0 3 sdc ONLINE 0 0 0 sdd ONLINE 0 0 0
> Since they are SCSI targets, have you explored sg_utils [ > http://sg.danny.cz/sg/uu_index.html] > > And for benchmarking I also recommend FIO https://github.com/axboe/fio > Thanks for the tips. > Good luck, > Purush > [unhandled content-type:application/pgp-signature] | |