yes, one login for each thread. On Wed, Dec 30, 2009 at 8:35 AM, Pasi Kärkkäinen <pasik at iki.fi> wrote: > On Fri, Sep 25, 2009 at 02:39:59PM +1000, ronnie sahlberg wrote: >> List, >> >> You might find this tool useful. >> I recently added very simple iscsi support to DBENCH ( http://dbench.samba.org ) >> so that dbench has a minimal iscsi initiator built in. >> >> This is sometimes useful since it allows to bypass any iscsi initiator >> layer, like open-iscsi, on the host and to get full control of exactly >> what commands will be issued to the target and accurate measures since >> one can know that the data was served across the network and not from >> a local cache. >> It is also useful since it can generate very high loads, much higher >> than I have been anble to generate by doing i/o through a lun mapped >> through the built in initiator in linux. >> >> Here i am mainly interested in high load for very small i/o sizes. I >> use 1k i/o size in my tests to be as pathological in my tests as >> possible. But you can run tests with any i/o size. >> >> >> The basic syntax is : >> >> $ ./dbench -B iscsi --loadfile=iscsi.txt --iscsi-lun=1 >> --iscsi-portal=10.0.0.71 --iscsi-port=3260 >> --iscsi-target=iqn.2007-03:mptest --warmup=0 --run-once 1 >> >> to run the loadfile once and then exit and with 1 client. >> >> or >> >> $ ./dbench -B iscsi --loadfile=iscsi.txt --iscsi-lun=1 >> --iscsi-portal=10.0.0.71 --iscsi-port=3260 >> --iscsi-target=iqn.2007-03:mptest --warmup=0 --timelimit=5 10 >> >> to run the loadfile over and over until the time runs out and using >> 10 threads of execution. >> > > Will it make 10 logins to the iSCSI target, one login for each thread? > > -- Pasi > > -- To unsubscribe from this list: send the line "unsubscribe stgt" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html |