Re: [LSF/MM TOPIC] iSCSI MQ adoption via MCS discussion

2015-01-13 Thread Vladislav Bolkhovitin
Sagi Grimberg wrote on 01/08/2015 05:45 AM: RFC 3720 namely requires that iSCSI numbering is session-wide. This means maintaining a single counter for all MC/S sessions. Such a counter would be a contention point. I'm afraid that because of that counter performance on a multi-socket initiator

Antw: [PATCH 4/5] iscsiuio CFLAGS fixes

2015-01-13 Thread Ulrich Windl
Chris Leech cle...@redhat.com schrieb am 12.01.2015 um 20:24 in Nachricht 1421090651-8333-5-git-send-email-cle...@redhat.com: try and keep existing CFLAGS from environment for packagers --- iscsiuio/configure.ac | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git

Antw: [PATCH 2/5] add discovery as a valid mode in iscsiadm.8

2015-01-13 Thread Ulrich Windl
Chris Leech cle...@redhat.com schrieb am 12.01.2015 um 20:24 in Nachricht 1421090651-8333-3-git-send-email-cle...@redhat.com: --- doc/iscsiadm.8 | 12 ++-- 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/doc/iscsiadm.8 b/doc/iscsiadm.8 index 9a945d1..05793b2 100644

Re: [Lsf-pc] [LSF/MM TOPIC] iSCSI MQ adoption via MCS discussion

2015-01-13 Thread Sagi Grimberg
On 1/12/2015 2:56 PM, Bart Van Assche wrote: On 01/11/15 10:40, Sagi Grimberg wrote: I would say there is no need for specific coordination from iSCSI PoV. This is exactly what flow steering is designed for. As I see it, in order to get the TX/RX to match rings, the user can attach 5-tuple

Re: [Lsf-pc] [LSF/MM TOPIC] iSCSI MQ adoption via MCS discussion

2015-01-13 Thread Sagi Grimberg
On 1/12/2015 10:05 PM, Mike Christie wrote: On 01/11/2015 03:23 AM, Sagi Grimberg wrote: On 1/9/2015 8:00 PM, Michael Christie wrote: SNIP Session wide command sequence number synchronization isn't something to be removed as part of the MQ work. It's a iSCSI/iSER protocol requirement.

Re: [LSF/MM TOPIC] iSCSI MQ adoption via MCS discussion

2015-01-13 Thread Bart Van Assche
On 01/09/15 12:39, Sagi Grimberg wrote: On 1/8/2015 4:11 PM, Bart Van Assche wrote: On 01/08/15 14:45, Sagi Grimberg wrote: Actually I started with that approach, but the independent connections under a single session (I-T-Nexus) violates the command ordering requirement. Plus, such a

Re: bind_src_by_address() is disabled?

2015-01-13 Thread tomiii
Hi Mike, thanks for the reply. See below. On Monday, January 12, 2015 at 11:22:41 AM UTC-8, Mike Christie wrote: On 1/9/15, 8:28 PM, Thomas Dwyer III wrote: Hi folks, I spent some time browsing through this forum but I was unable to find an explanation for this comment referring

Re: bind_src_by_address() is disabled?

2015-01-13 Thread tomiii
On Monday, January 12, 2015 at 12:54:38 PM UTC-8, Mike Christie wrote: Thomas, let me know if your question was for functionality you needed or just looking through the code and were curious. It's functionality that I really want. In fact, I'm here in this forum because strace on iscsid

Re: bind_src_by_address() is disabled?

2015-01-13 Thread Mike Christie
On 01/12/2015 02:03 PM, tom...@gmail.com wrote: How does incorrect ordering occur? This is TCP, right? Correct ordering is guaranteed regardless of which interface(s) are used. Software/implementation bugs. -- You received this message because you are subscribed to the Google Groups

Re: bind_src_by_address() is disabled?

2015-01-13 Thread Mike Christie
On 01/12/2015 05:30 PM, Thomas Dwyer III wrote: I think this would give administrators all the flexibility they need. Is there a downside to this proposal that I'm not seeing? You do not have to debug and support it, so that is why it was ifdef/commented out :) I am open to accepting patches

Re: bind_src_by_address() is disabled?

2015-01-13 Thread Ben Greear
On 01/13/2015 03:03 PM, Mike Christie wrote: On 01/12/2015 05:30 PM, Thomas Dwyer III wrote: I think this would give administrators all the flexibility they need. Is there a downside to this proposal that I'm not seeing? You do not have to debug and support it, so that is why it was