it works. After turn off the HW Accelerated in VMware the bw is 90MB/s.
At 2015-06-23 14:22:48, "Nick Fisk" <[email protected]> wrote: >Try turning off the HW Accelerated features in VMware (VAAI). From memory I >think it's the accelerated Init one which causes the problem. > >> -----Original Message----- >> From: ceph-users [mailto:[email protected]] On Behalf Of >> Timofey Titovets >> Sent: 23 June 2015 06:36 >> To: maoqi1982 >> Cc: [email protected] >> Subject: Re: [ceph-users] ceph0.72 tgt wmware performance very bad >> >> Which backend you use in TGT for rbd? >> >> 2015-06-23 5:44 GMT+03:00 maoqi1982 <[email protected]>: >> > Hi list: >> > my cluster include 4 server ,12 osd(4 osd/server), 1 mon(1 server), >> > 1Gbps link, ceph version is 0.72 , the cluster status is ok, client is >> > vmware vcenter. >> > use rbd as tgt backend,expose 2TB LUN via iscsi to vmware,the >> > performance is very bad. the bw just 10kB/s. >> > but when use windows7 as client via iscsi the performance is ok >> > nearly 100MB/s why the performance is so bad when client is vmware? >> > >> > >> > >> > >> > _______________________________________________ >> > ceph-users mailing list >> > [email protected] >> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> > >> >> >> >> -- >> Have a nice day, >> Timofey. >> _______________________________________________ >> ceph-users mailing list >> [email protected] >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > >
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