[Pkg-iscsi-maintainers] Bug#687619: Bug#687619: iscsitarget restart fail if more than 32 session try reconnect

[Ritesh Raj Sarraf]

On Friday 14 September 2012 09:07 PM, Laszlo Fekete wrote:
>> Is there an error message/code ?
> This is in the initiator logs:
> Sep 13 14:40:09 mail01 iscsid: Kernel reported iSCSI connection 4:0 error 
> (1020) state (3)
> Sep 13 14:40:20 mail01 iscsid: connection4:0 is operational after recovery (2 
> attempts)
> 

So the connection did recover.


>> Why do you change it to 1 ? That's a very low value and will just flood
>> the target.
> As I said, using multipath, so want a fast response if there is a 
> connection/session error to change to the other path. That's why I'm using 

The multipath path checker loop triggers every 5 seconds.

> these values:
> node.session.timeo.replacement_timeout = 5                                                                                                                                                                                                                                
> node.session.err_timeo.abort_timeout = 5                                                                                                                                                                                                                                  
> node.session.err_timeo.lu_reset_timeout = 5                                                                                                                                                                                                                               
> node.session.err_timeo.host_reset_timeout = 60                                                                                                                                                                                                                            
> node.session.iscsi.FastAbort = Yes                                                                                                                                                                                                                                        
> node.session.iscsi.InitialR2T = No                                                                                                                                                                                                                                        
> node.session.iscsi.ImmediateData = Yes                                                                                                                                                                                                                                    
> node.session.iscsi.FirstBurstLength = 262144                                                                                                                                                                                                                              
> node.session.iscsi.MaxBurstLength = 16776192                                                                                                                                                                                                                              
> node.conn[0].timeo.logout_timeout = 5
> node.conn[0].timeo.login_timeout = 5
> node.conn[0].timeo.auth_timeout = 45
> node.conn[0].timeo.noop_out_interval = 1
> node.conn[0].timeo.noop_out_timeout = 1
> 
> But as I said, this also affected to that initiators which don't use multipath 
> and had the default open-iscsi values.
> 
> 
> There is an INCOMING_MAX 32 limit in the source, that wrote few minutes before 
> your last mail, hope you got that, I think that will be the problem and will 
> check it next week.
> 

Okay!! Let me know what your findings are. From what you have shared up
till now, I don't see much a problem with IET or open-iscsi.


-- 
Ritesh Raj Sarraf | http://people.debian.org/~rrs
Debian - The Universal Operating System

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 897 bytes
Desc: OpenPGP digital signature
URL: <http://lists.alioth.debian.org/pipermail/pkg-iscsi-maintainers/attachments/20120915/1f3aca82/attachment.pgp>