Cameron Harr wrote:
Vladislav Bolkhovitin wrote:
Cameron Harr wrote:
Vladislav Bolkhovitin wrote:
I guess, you use a regular caching IO? The lowest packet size it can
produce is a PAGE_SIZE (4K). Target can't change it. You can have
lower packets only with O_DIRECT or sg interface. But I'm not sure
it will be performance effective.
I do everything with Direct IO, which is automatic when using the
BLOCKIO method in SCST.
I meant on initiator(s), not on the target.
Sorry - but yes, I always run the benchmark apps with direct IO
Then, there's one more reason why we should find out the cause of such a
big variation between runs. Can you repeat all the tests with the latest
SCST SVN trunk/ including SRPT driver with each run for at least few
minutes?
Which backstorage do you use for BLOCKIO?
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