On Wednesday 04 May 2011 12:44 PM, Aleksanyan, Aleksandr wrote: > I test GlusterFS on this equipment: > > Backend LSI 7000, 80Tb, 24LUN's > 4 OSS, Intel based server, connect to LSI via 8Gb FiberChanel, 12Gb RAM Can you please clarify what OSS here means? And, please mention what your GlusterFS configuration looks like. Pavan > 1 Intel based main server, connect to OSS via QDR InfiniBand, 12Gb RAM > and 16 Load Generators with 2 Xeon X5670, on board, 12Gb RAM. QDR InfiniBand > I use IOR for test , and get next results: > /install/mpi/bin/mpirun --hostfile /gluster/C/nodes_1p -np 16 > /gluster/C/IOR -F -k -b10G -t1m > IOR-2.10.3: MPI Coordinated Test of Parallel I/O > Run began: Tue Oct 19 09:27:03 2010 > Command line used: /gluster/C/IOR -F -k -b10G -t1m > Machine: Linux node1 > Summary: > api = POSIX > test filename = testFile > access = file-per-process > ordering in a file = sequential offsets > ordering inter file= no tasks offsets > clients = 16 (1 per node) > repetitions = 1 > xfersize = 1 MiB > blocksize = 10 GiB > aggregate filesize = 160 GiB > Operation Max (MiB) Min (MiB) Mean (MiB) Std Dev Max (OPs) Min (OPs) > Mean (OPs) Std Dev Mean (s) > --------- --------- --------- ---------- ------- --------- --------- > ---------- ------- -------- > write *1720.80* 1720.80 1720.80 0.00 1720.80 1720.80 1720.80 0.00 > 95.21174 EXCEL > read *1415.64* 1415.64 1415.64 0.00 1415.64 1415.64 1415.64 0.00 > 115.73604 EXCEL > Max Write: 1720.80 MiB/sec (1804.39 MB/sec) > Max Read: 1415.64 MiB/sec (1484.40 MB/sec) > Run finished: Tue Oct 19 09:30:34 2010 > Why *read *< *write* ? It's normal for GlusterFS ? > best regards > Aleksandr > ? ?????????, > ????????? ????????? > ??? "?-?????????" > ???: +7(495)744-0980 (1434) > > > > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://gluster.org/cgi-bin/mailman/listinfo/gluster-users