Re: Failover time of iSCSI multipath devices.

2010-03-15 Thread Alex Zeffertt
Mike Christie wrote: On 03/07/2010 07:46 AM, Pasi Kärkkäinen wrote: On Fri, Mar 05, 2010 at 05:07:53AM -0600, Mike Christie wrote: On 03/01/2010 08:53 PM, Mike Christie wrote: On 03/01/2010 12:06 PM, bet wrote: 1. Based on my timeouts I would think that my session would time out Yes. It shou

iSNS implementation

2010-03-15 Thread Gopu Krishnan
Hi All, Am newbie to the iSNS part of the IET implementation. Am bit confused about the implementation part in isns.c file. We create socket and have one fd in listen mode and during the event loop, based on the poll we do create socket and connect. I am not clear why and when this c

Re: documentation on user space code

2010-03-15 Thread Daniel Stodden
On Sat, 2010-03-13 at 05:25 -0500, nsabagwa mary wrote: > > Hi > > I have been going through user space code for open-iscsi specifically > looking for the function that receives read and write requests from > applications. I need this because i want to monitor application > requests to the virtu

synchronous writes using open iscsi

2010-03-15 Thread ramki
Hi, I went through the open iscsi source code. From my understanding, the writes seem to be asynchronous. The user space application queues the data in the kernel queue and returns. A kernel thread processes the queue and writes the data to disk. Is my observation correct ? If so, is there a plan

Re: synchronous writes using open iscsi

2010-03-15 Thread malahal
ramki [ramkri...@gmail.com] wrote: > Hi, > > I went through the open iscsi source code. From my understanding, the > writes seem to be asynchronous. The user space application queues the > data in the kernel queue and returns. A kernel thread processes the > queue and writes the data to disk. > >

Re: Failover time of iSCSI multipath devices.

2010-03-15 Thread Mike Christie
On 03/15/2010 05:56 AM, Alex Zeffertt wrote: The bugzilla ticket requests a merge of two git commits, but neither of those contain the libiscsi.c change that addresses bug #2. Was this a mistake, or did you deliberately omit that part of your speed-up-conn-fail-take3.patch when you raised the ti

Re: documentation on user space code

2010-03-15 Thread Mike Christie
On 03/13/2010 04:25 AM, nsabagwa mary wrote: Hi I have been going through user space code for open-iscsi specifically looking for the function that receives read and write requests from applications. I need this because i want to monitor application requests to the virtual disk. Which user space

iSNS implementation

2010-03-15 Thread Gopu Krishnan
> > Hi All, > > Am newbie to the iSNS part of the IET implementation. Am bit confused about >the implementation part in isns.c file. > >We create socket and have one fd in listen mode and during the event > loop, >based on the poll we do create socket and connect. > >I am not clear