From 339aa1b90db20b382ebd66cb33e0ad03b16f44c8 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Thu, 11 Jul 2013 11:41:06 +0000 Subject: [PATCH] ib_srpt/README: Update initiator-side performance notes section git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4915 d57e44dd-8a1f-0410-8b47-8ef2f437770f --- srpt/README | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/srpt/README b/srpt/README index 1d86add1b..2c9880a88 100644 --- a/srpt/README +++ b/srpt/README @@ -357,6 +357,10 @@ Performance Notes - Initiator Side * For latency sensitive applications, using the noop scheduler at the initiator side can give significantly better results than with other schedulers. +* The SRP initiator limits by default the queue depth to 64 commands. If your + workload benefits from a larger queue depth, enlarge the queue depth by + setting the max_cmd_per_lun parameter in the SRP login string. + * The following parameters have a small but measurable impact on SRP performance: * /sys/class/block/${dev}/queue/rotational