On Sat, Aug 24, 2013 at 11:52 AM, Sascha Wildner <[email protected]> wrote: > On Mon, 19 Aug 2013 09:55:12 +0200, Dongsheng Song > <[email protected]> wrote: > >> Hi, >> >> When I running DragonFlyBSD under VMware ESXi 5.1, with the following >> setting: >> >> CPUs: 8 >> Memory: 4096 MB >> SCSI controller: LSI Logic Paraller >> SCSI disk size: 64G >> >> I found this VM is very very slowly, then I check the dmesg output, >> I'm very surprised: >> >> da0: 3.300MB/s transfers > > > Could you try with this patch please? > > http://leaf.dragonflybsd.org/~swildner/cam_probe.diff > > Sascha
No IO speed difference (0.200 ~ 0.400 MB/s). The dmesg output just add new line: da0: Command Queueing Enabled # dmesg | grep -E "da0: | mpt0: " da0 at mpt0 bus 0 target 0 lun 0 da0: <VMware Virtual disk 1.0> Fixed Direct Access SCSI-2 device da0: 3.300MB/s transfers da0: Command Queueing Enabled da0: 65536MB (134217728 512 byte sectors: 255H 63S/T 8354C)
