Hi, I am trying to get max performance in sequential reads. I did a lot of tests from a client (VSphere 4.1 + MLX OFED) tuning the parameters to get the max throughput from within a single VM.
I ended up getting IOmeter close to 2970 MB/s read (8MB requential block 100% read), but the standard throughput - as per people at MLX, should be 3200 MB/s (40 Gbit - 20% protocol overhead). I am wondering where to further look. On the client side the parameters I can work are: ib_srp (srp client kernel module): srp_cmd_per_lun, srp_sg_tablesize, srp_can_queue VMware Level: Disk.SchedQuantum, Disk.SchedQControlSeqReq, Disk.UserDeviceReset,Disk.SchedQControlVMSwitches, RequOutstanding -- This message posted from opensolaris.org _______________________________________________ storage-discuss mailing list storage-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/storage-discuss
