At Wed, 04 Feb 2015 11:24:21 +0900, Hitoshi Mitake wrote: > > At Tue, 3 Feb 2015 17:17:42 +0800, > hujianyang wrote: > > > > Hi Saeki, > > > > On 2015/2/3 16:53, Saeki Masaki wrote: > > > Hi Hu, > > > > > > Since Sheepdog has a mechanism that does not place objects in the same > > > zone_id. > > > Can you try to change ZONE id in each node. > > >>>> Id Host:Port V-Nodes Zone > > >>>> 0 130.1.0.147:7000 128 0 > > >>>> 1 130.1.0.148:7000 128 0 > > >>>> 2 130.1.0.149:7000 128 0 > > > > > > Best Regards, Saeki. > > > > > > > Good suggestions~! > > > > Seems OK now. But write performance is too slow in my environment. > > 1.1MB/s seems to be too slow, how about changing input file from > /dev/random to /dev/zero? And I'd like to know perofrmance of default > backing store of tgt (use file as iSCSI target) on your environment. > > Thanks, > Hitoshi
BTW, I have pending patchset for parallelizing iSCSI PDU send/recv of tgtd: https://github.com/mitake/tgt/commits/iscsi-pdu-rxtx-mt You can activate the feature with new option -T: $ tgtd -T 16 It is still half-baked, but in some cases it can improve performance of iSCSI + sheepdog. Thanks, Hitoshi > > > > > Thank your very much! > > Hu > > > > > > -- > > sheepdog mailing list > > sheepdog@lists.wpkg.org > > https://lists.wpkg.org/mailman/listinfo/sheepdog -- sheepdog mailing list sheepdog@lists.wpkg.org https://lists.wpkg.org/mailman/listinfo/sheepdog