dd if=/dev/zero bs=1m | mbuffer -m 64m -o /lsi/bigfile
with mbuffer reporting the following
in @ 697 MiB/s, out @ 697 MiB/s, 11.8 GiB total, buffer 100% full
when I pull the cable. Playing with it today, I'm wondering if the
1st cable actually has any active providers on it (luck of the
draw that I pulled it first), and the 2nd has all the active
providers on it. I have not explicity tried to balance the i/o
on the two cables with gmultipath rotate.
Having a bit of trouble getting a good objdump of g_multipath.o
so I may do a new src update.
I had to do a wad of changes at Panasas to cover this kind of case. I have
had some troubles getting these changes into -head (lack of time,
differences from the RELENG_7 code I was working with, etc), but I think
that there are still issues at play here.
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