[stgt] stgtd 0.9.3 : Read-Errors using iser transport

[Dr. Volker Jaenisch]

Hello Or!

Bad news.

Or Gerlitz wrote:
> For the time being, you can work with release 0.9.0 which doesn't include this patch
>   
I checked with version 0.9.0. The read errors are still occur but with 
lower frequency.

res:~# lmdd if=internal of=/dev/sdc opat=1 bs=1M count=1000
1000.0000 MB in 6.0960 secs, 164.0417 MB/sec
ares:~#  lmdd of=internal if=/dev/sdc ipat=1 bs=1M count=1000 mismatch=10
1000.0000 MB in 3.0691 secs, 325.8246 MB/sec
ares:~#  lmdd of=internal if=/dev/sdc ipat=1 bs=1M count=1000 mismatch=10
1000.0000 MB in 3.0909 secs, 323.5354 MB/sec
ares:~#  lmdd of=internal if=/dev/sdc ipat=1 bs=1M count=1000 mismatch=10
1000.0000 MB in 3.1004 secs, 322.5361 MB/sec
ares:~#  lmdd of=internal if=/dev/sdc ipat=1 bs=1M count=1000 mismatch=10
1000.0000 MB in 3.1147 secs, 321.0634 MB/sec
ares:~#  lmdd of=internal if=/dev/sdc ipat=1 bs=1M count=1000 mismatch=10
off=291000000 want=1161fa00 got=1163fa00
off=291000000 want=1161fa04 got=1163fa04
off=291000000 want=1161fa08 got=1163fa08
off=291000000 want=1161fa0c got=1163fa0c
off=291000000 want=1161fa10 got=1163fa10
off=291000000 want=1161fa14 got=1163fa14
off=291000000 want=1161fa18 got=1163fa18
off=291000000 want=1161fa1c got=1163fa1c
off=291000000 want=1161fa20 got=1163fa20
off=291000000 want=1161fa24 got=1163fa24
291.0000 MB in 0.8858 secs, 328.5032 MB/sec
ares:~#  lmdd of=internal if=/dev/sdc ipat=1 bs=1M count=1000 mismatch=10
1000.0000 MB in 3.1094 secs, 321.6043 MB/sec
ares:~#  lmdd of=internal if=/dev/sdc ipat=1 bs=1M count=1000 mismatch=10
1000.0000 MB in 3.0456 secs, 328.3467 MB/sec
ares:~#  lmdd of=internal if=/dev/sdc ipat=1 bs=1M count=1000 mismatch=10
1000.0000 MB in 3.1000 secs, 322.5754 MB/sec
ares:~#  lmdd of=internal if=/dev/sdc ipat=1 bs=1M count=1000 mismatch=10
1000.0000 MB in 3.0752 secs, 325.1844 MB/sec
ares:~#  lmdd of=internal if=/dev/sdc ipat=1 bs=1M count=1000 mismatch=10
off=4000000 want=3d6400 got=3f5400
off=4000000 want=3d6404 got=3f5404
off=4000000 want=3d6408 got=3f5408
off=4000000 want=3d640c got=3f540c
off=4000000 want=3d6410 got=3f5410
off=4000000 want=3d6414 got=3f5414
off=4000000 want=3d6418 got=3f5418
off=4000000 want=3d641c got=3f541c
off=4000000 want=3d6420 got=3f5420
off=4000000 want=3d6424 got=3f5424
4.0000 MB in 0.0142 secs, 282.5857 MB/sec

Seems there is a cofactor. May you please be so kind to reproduce my 
findings?

Best regards,

Volker

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   Dr.  Volker Jaenisch      http://www.inqbus.de
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