Re: About Intel I/OAT support in open-iscsi

2009-03-18 Thread Or Gerlitz
Mike Christie wrote: Does open-iscsi support I/OAT now? If so, from which version? No. It uses some network API that is not converted to support I/OAT. The intel guys have sent patches to add it, but they were a little behind upstream so their patches would break. I think they are working

Re: [PATCH] iscsistart -b memory corruption

2009-03-18 Thread Ulrich Windl
On 17 Mar 2009 at 22:33, shyam_i...@dell.com wrote: The issue is caused because child is trying to free up the session and connections that the parent had setup. Hi! Not knowing the source, I wonder: Parent and child (both processes?) have their own copy of memory, so each one can free

Again: CHAP authentication with the MPX100

2009-03-18 Thread Ulrich Windl
Hello, I still culdn't find out the mappings between the open-iscsi authentication settings and the MPX100 settings: The MPX100 allows to set a CHAP secret (but no name) for these categories the portal (two interfaces) the initiator (several) the target (a fixed number like 4) Specifically

RE: [PATCH-v2] iscsistart -b memory corruption

2009-03-18 Thread Shyam_Iyer
Ulrich wrote: On 17 Mar 2009 at 22:33, shyam_i...@dell.com wrote: The issue is caused because child is trying to free up the session and connections that the parent had setup. Hi! Not knowing the source, I wonder: Parent and child (both processes?) have their own copy of memory, so each one

RE: [PATCH-v2-resend] iscsistart -b memory corruption

2009-03-18 Thread Shyam_Iyer
Resending because earlier patch had a small typo. Ulrich wrote: On 17 Mar 2009 at 22:33, shyam_i...@dell.com wrote: The issue is caused because child is trying to free up the session and connections that the parent had setup. Hi! Not knowing the source, I wonder: Parent and child (both

Re: RHEL 5.2 and 5.3 - ISCSI Errors impacting database performance?

2009-03-18 Thread bigcatxjs
On Mar 17, 5:06 pm, Mike Christie micha...@cs.wisc.edu wrote: bigcatxjs wrote: Thanks Mike... On Mar 13, 8:45 pm, Mike Christie micha...@cs.wisc.edu wrote: bigcatxjs wrote: At these times is there lots of disk IO? Is there anything in the target logs? It is fair to say that all

Re: RHEL 5.2 and 5.3 - ISCSI Errors impacting database performance?

2009-03-18 Thread bigcatxjs
On Mar 17, 5:06 pm, Mike Christie micha...@cs.wisc.edu wrote: bigcatxjs wrote: Thanks Mike... On Mar 13, 8:45 pm, Mike Christie micha...@cs.wisc.edu wrote: bigcatxjs wrote: At these times is there lots of disk IO? Is there anything in the target logs? It is fair to say that all

Re: RHEL 5.2 and 5.3 - ISCSI Errors impacting database performance?

2009-03-18 Thread Mike Christie
bigcatxjs wrote: Hi, We have encountered this error below. This is the first time I have seen this before; This is with the noop settings set to 0 right? Was this the RHEL 5.3 or 5.2 setup? Could you do rpm -q iscsi-initiator-utils Mar 17 12:40:47 MYHOST53 kernel: Vendor:

Re: About Intel I/OAT support in open-iscsi

2009-03-18 Thread Mike Christie
Or Gerlitz wrote: Mike Christie wrote: Does open-iscsi support I/OAT now? If so, from which version? No. It uses some network API that is not converted to support I/OAT. The intel guys have sent patches to add it, but they were a little behind upstream so their patches would break. I

Re: [PATCH-v2-resend] iscsistart -b memory corruption

2009-03-18 Thread Mike Christie
Thanks for the patch. shyam_i...@dell.com wrote: Resending because earlier patch had a small typo. Ulrich wrote: On 17 Mar 2009 at 22:33, shyam_i...@dell.com wrote: The issue is caused because child is trying to free up the session and connections that the parent had setup. Hi!

Re: [PATCH-v2-resend] iscsistart -b memory corruption

2009-03-18 Thread Mike Christie
Mike Christie wrote: Thanks for the patch. shyam_i...@dell.com wrote: Resending because earlier patch had a small typo. Ulrich wrote: On 17 Mar 2009 at 22:33, shyam_i...@dell.com wrote: The issue is caused because child is trying to free up the session and connections that the