you may also have to go to /sys/block/sdX/queue and echo 1024 >
max_sectors_kb
if you use the srp_daemon you can also add:
a max_sect=2048 to /etc/srp_daemon.conf
kevin
On Nov 29, 2007, at 11:08 AM, Vu Pham wrote:
Hi,
We are using OFED-1.2, and using xdd and some other tools, and
trying to
send 1/2MB IOs, but what we are seeing in analyzer traces, that
memory
descriptor in SRP command shows max. 48K which means 1MB I/Os has
broken
into smaller SRP request from initiator.
How can I have this I/O directly going to target? What parameter I
need
to change?
module param srp_sg_tablesize (default is 12 ie. 12 x 4K = 48K)
and/or
max_sect=yyy in echo id_ext=xxx,...,max_sect=1024,service_id= > /sys/
class/infiniband_srp/...
-vu
Thanks
Ashish
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