Or Gerlitz schrieb: > Dr. Volker Jaenisch wrote: > > >> Runs without problems over TCP over IB. We have this setting in production since a while. >> Please have a look on my recent postings in open-iscsi mailing list. >> > [...] > >> Yes, but I also tried on ConnectX HCAs wich reproduces the read errors perfectly. >> > > OK, this morning I did some reading over your previous postings to open-iscsi and stgt and also some testing. The news is that I have this reproduced on my setup. When I use a different target, it doesn't happen! so I think we're quite narrowed this to be stgt's fault, we'll see... > > Is it correct that at some point you said that a patch of Pete which deferrers sending the scsi response till the rdma-write is completed makes the problem disappear? do you have this patch in a form that applies on tgt's head? > > Also, just to make sure we're on the same page: for write you use opat=1 and for read ipat=1 mismatch=1, correct? > I did the following Sending Data #1 initiator:~# lmdd if=internal of=/dev/sdc opat=1 bs=1M count=1000 mismatch=1 1000.0000 MB in 1.0469 secs, 955.2348 MB/sec Checking Data #1 target:~# lmdd of=internal if=/dev/vg0/test ipat=1 bs=1M count=1000 mismatch=10 1000.0000 MB in 0.9031 secs, 1107.2542 MB/sec to my knowledge mismatch only influences the number of errors on the console. So we are consistent. Cheers Volker -- ==================================================== inqbus it-consulting +49 ( 341 ) 5643800 Dr. Volker Jaenisch http://www.inqbus.de Herloßsohnstr. 12 0 4 1 5 5 Leipzig N O T - F Ä L L E +49 ( 170 ) 3113748 ==================================================== -- To unsubscribe from this list: send the line "unsubscribe stgt" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html |