Direct throughput about 140MB/s
From: open-iscsi@googlegroups.com [mailto:open-iscsi@googlegroups.com] On Behalf Of Lee Duncan Sent: 26 October 2020 22:51 To: open-iscsi Subject: Re: Slow iSCSI tape performance On Oct 25, 2020, at 10:42 AM, David C. Partridge <david.partri...@perdrix.co.uk> wrote: I believe that it’s something to do with stopping Windows (at the target) from sending TURs to the tape every 30s or so. Okay, that makes sense. But that has nothing to do with open-iscsi, or even iSCSI at all. Setting streaming bit ? Is that something I can do with mt-st or mt commands? The best I am getting is about 29MB/s over a 1Gbit LAN L I was talking about the ability to tell st to write tape marks without waiting. This is very handy for streaming tape drives, since it allows it to stream tape marks as well. But it cannot be set with “mt” — it needs an ioctl(). What kind of throughput does the tape drive supply directly? Here’s my backup script: ... -- You received this message because you are subscribed to a topic in the Google Groups "open-iscsi" group. To unsubscribe from this topic, visit https://groups.google.com/d/topic/open-iscsi/jp7zMTdWbN8/unsubscribe. To unsubscribe from this group and all its topics, send an email to open-iscsi+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/open-iscsi/CCD69511-2C68-4703-9BDD-A1345922DA2D%40gmail.com <https://groups.google.com/d/msgid/open-iscsi/CCD69511-2C68-4703-9BDD-A1345922DA2D%40gmail.com?utm_medium=email&utm_source=footer> . -- You received this message because you are subscribed to the Google Groups "open-iscsi" group. To unsubscribe from this group and stop receiving emails from it, send an email to open-iscsi+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/open-iscsi/003d01d6abfc%247c150930%24743f1b90%24%40perdrix.co.uk.
