Why VMware Virtual disk so slow (da0: 3.300MB/s transfers) ?

Justin Sherrill justin at shiningsilence.com
Mon Aug 19 18:58:26 PDT 2013


On Mon, Aug 19, 2013 at 3:55 AM, Dongsheng Song
<dongsheng.song at gmail.com> wrote:
> I found this VM is very very slowly, then I check the dmesg output,
> I'm very surprised:
>
> da0: 3.300MB/s transfers

This may be a capability report that's in error, rather than the
actual speed.  Can you test the actual speed of writing to disk with
dd or something similar?



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