Not sure but I cant see any more wait_for_sysfs error by fixing the
following line

[root@nfs02 ~]# more /etc/udev/rules.d/05-udev-early.rules
ACTION=="add", SUBSYSTEM=="scsi", KERNEL=="[0-9]*:[0-9]*",
WAIT_FOR_SYSFS="ioerr_cnt"

But still iscsiadm cant perform discovery and giving error

Jul 23 22:37:21 nfs02 kernel: scsi8 : iSCSI Initiator over TCP/IP
Jul 23 22:37:21 nfs02 kernel: iscsi: invalid session 0.
Jul 23 22:37:21 nfs02 kernel: scsi9 : iSCSI Initiator over TCP/IP
Jul 23 22:37:21 nfs02 kernel: iscsi: invalid session 0.
Jul 23 22:37:21 nfs02 kernel: scsi10 : iSCSI Initiator over TCP/IP
Jul 23 22:37:21 nfs02 kernel: iscsi: invalid session 0.
Jul 23 22:37:21 nfs02 kernel: scsi11 : iSCSI Initiator over TCP/IP
Jul 23 22:37:21 nfs02 kernel: iscsi: invalid session 0.
Jul 23 22:37:21 nfs02 iscsid: Could not set session0 priority. READ/
WRITE throughout and latency could be affected.
Jul 23 22:37:21 nfs02 iscsid: Received iferror -22: Invalid argument.
Jul 23 22:37:21 nfs02 iscsid: Can't create connection.
Jul 23 22:37:21 nfs02 iscsid: Received iferror -22: Invalid argument.
Jul 23 22:37:21 nfs02 iscsid: can not safely destroy session 0
Jul 23 22:37:21 nfs02 iscsid: Could not set session0 priority. READ/
WRITE throughout and latency could be affected.
Jul 23 22:37:21 nfs02 iscsid: Received iferror -22: Invalid argument.
Jul 23 22:37:21 nfs02 iscsid: Can't create connection.
Jul 23 22:37:21 nfs02 iscsid: Received iferror -22: Invalid argument.
Jul 23 22:37:21 nfs02 iscsid: can not safely destroy session 0
Jul 23 22:37:21 nfs02 iscsid: Could not set session0 priority. READ/
WRITE throughout and latency could be affected.
Jul 23 22:37:21 nfs02 iscsid: Received iferror -22: Invalid argument.
Jul 23 22:37:21 nfs02 iscsid: Can't create connection.
Jul 23 22:37:21 nfs02 iscsid: Received iferror -22: Invalid argument.
Jul 23 22:37:21 nfs02 iscsid: can not safely destroy session 0
Jul 23 22:37:21 nfs02 iscsid: Could not set session0 priority. READ/
WRITE throughout and latency could be affected.
Jul 23 22:37:21 nfs02 iscsid: Received iferror -22: Invalid argument.
Jul 23 22:37:21 nfs02 iscsid: Can't create connection.
Jul 23 22:37:21 nfs02 iscsid: Received iferror -22: Invalid argument.
Jul 23 22:37:21 nfs02 iscsid: can not safely destroy session 0
Jul 23 22:37:37 nfs02 iscsid: Received iferror -22: Invalid argument.
Jul 23 22:37:37 nfs02 iscsid: can't bind conn 0:0 to session 0,
retcode 1 (115)


dmesg

iscsi: registered transport (tcp)
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
warning: `dbus-daemon' uses 32-bit capabilities (legacy support in
use)
scsi8 : iSCSI Initiator over TCP/IP
iscsi: invalid session 0.
scsi9 : iSCSI Initiator over TCP/IP
iscsi: invalid session 0.
scsi10 : iSCSI Initiator over TCP/IP
iscsi: invalid session 0.
scsi11 : iSCSI Initiator over TCP/IP
iscsi: invalid session 0.


On Jul 23, 9:00 pm, Farhan Ahmed <ahmed.far...@gmail.com> wrote:
> Here is the kernel .config file attached
>
>  config
> 95KViewDownload
>
> On Sat, Jul 23, 2011 at 8:54 PM, Farhan Ahmed <ahmed.far...@gmail.com>wrote:
>
>
>
> > Yes rpm came with CentOS distro
>
> > [root@nfs02 ~]# rpm -qa|grep iscsi
> > iscsi-initiator-utils-6.2.0.872-6.el5
>
> > I removed rpm and compile git code
>
> > I had to compile the latest kernel , default kernel having issues with
> > USB devices and haging at start up
>
> > [root@nfs02 ~]# uname -r
> > 2.6.39.1
>
> > I got the latest kernel fromhttp://www.kernel.org
>
> > Thanks a lot mate for your help
>
> > I cant find a way to attach file , I am sending attacment directly to
> > your inbox
>
> > On Jul 23, 8:38 pm, Mike Christie <micha...@cs.wisc.edu> wrote:
> > > On 07/23/2011 05:14 AM, Farhan Ahmed wrote:
>
> > > > Much better I compiled git code and it is much better now even eth2 is
> > > > down discovery can run for other interfaces but now I run into
> > > > different type of issues and initiator cant login
>
> > > > I am getting different sort of errors
>
> > > Looks like sysfs compat issues.
>
> > > Where did you get the tools you were using before? From your distro?
>
> > > Where did you get your kernel from?
>
> > > Could you send your kernel's .config so I can see your sysfs settings?
>
> > > > iscsi: invalid session 0.
> > > > scsi21 : iSCSI Initiator over TCP/IP
> > > > iscsi: invalid session 0.
> > > > scsi22 : iSCSI Initiator over TCP/IP
> > > > iscsi: invalid session 0.
> > > > scsi23 : iSCSI Initiator over TCP/IP
> > > > iscsi: invalid session 0.
>
> > > > iscsiadm -m discovery -t sendtargets -p 192.168.42.190 -I eth5
>
> > > > iscsiadm: could not find session info for session8
> > > > iscsiadm: could not read session targetname: 5
> > > > iscsiadm: could not find session info for session9
> > > > 192.168.42.190:3260,1 iqn.2001-05.com.equallogic:
> > > > 0-8a0906-8571ed402-7120012b81b4e002-nfs02
> > > > 192.168.42.190:3260,1 iqn.2001-05.com.equallogic:0-8a0906-
> > > > f0a1ed402-1f40012bba54e28b-nfs02-bond
>
> > > > tail -100 /var/log/messages
>
> > > > Jul 23 20:11:53 nfs02 iscsid: could not read session targetname: 5
> > > > Jul 23 20:11:53 nfs02 iscsid: could not find session info for session8
> > > > Jul 23 20:11:53 nfs02 iscsid: could not read session targetname: 5
> > > > Jul 23 20:11:53 nfs02 iscsid: could not find session info for session9
> > > > Jul 23 20:11:53 nfs02 iscsid: Received iferror -22: Invalid argument.
> > > > Jul 23 20:11:53 nfs02 iscsid: Can't create connection.
> > > > Jul 23 20:11:53 nfs02 iscsid: Received iferror -22: Invalid argument.
> > > > Jul 23 20:11:53 nfs02 iscsid: can not safely destroy session 0
> > > > Jul 23 20:11:55 nfs02 udevd-event[4734]: wait_for_sysfs: waiting for '/
> > > > sys/devices/platform/host24/ioerr_cnt' failed
> > > > Jul 23 20:12:07 nfs02 iscsid: Received iferror -22: Invalid argument.
> > > > Jul 23 20:12:07 nfs02 iscsid: can't bind conn 0:0 to session 0,
> > > > retcode 1 (115)
>
> > > > [root@nfs02 iscsi]# /etc/init.d/open-iscsi stop
> > > > Stopping iSCSI initiator service: iscsiadm: could not read session
> > > > targetname: 5
> > > > iscsiadm: could not find session info for session1
> > > > iscsiadm: could not read session targetname: 5
> > > > iscsiadm: could not find session info for session10
> > > > iscsiadm: could not read session targetname: 5
> > > > iscsiadm: could not find session info for session11
> > > > iscsiadm: could not read session targetname: 5
> > > > iscsiadm: could not find session info for session12
> > > > iscsiadm: could not read session targetname: 5
> > > > iscsiadm: could not find session info for session13
> > > > iscsiadm: could not read session targetname: 5
> > > > iscsiadm: could not find session info for session14
> > > > iscsiadm: could not read session targetname: 5
> > > > iscsiadm: could not find session info for session15
> > > > iscsiadm: could not read session targetname: 5
> > > > iscsiadm: could not find session info for session16
> > > > iscsiadm: could not read session targetname: 5
> > > > iscsiadm: could not find session info for session17
> > > > iscsiadm: could not read session targetname: 5
> > > > iscsiadm: could not find session info for session2
> > > > iscsiadm: could not read session targetname: 5
> > > > iscsiadm: could not find session info for session3
> > > > iscsiadm: could not read session targetname: 5
> > > > iscsiadm: could not find session info for session4
> > > > iscsiadm: could not read session targetname: 5
> > > > iscsiadm: could not find session info for session5
> > > > iscsiadm: could not read session targetname: 5
> > > > iscsiadm: could not find session info for session6
> > > > iscsiadm: could not read session targetname: 5
> > > > iscsiadm: could not find session info for session7
> > > > iscsiadm: could not read session targetname: 5
> > > > iscsiadm: could not find session info for session8
> > > > iscsiadm: could not read session targetname: 5
> > > > iscsiadm: could not find session info for session9
> > > > iscsiadm: No matching sessions found
> > > > Could not logout from all nodes, try again later
>
> > > > [root@nfs02 iscsi]# /etc/init.d/open-iscsi start
> > > > Starting iSCSI initiator service:                          [  OK  ]
> > > > Setting up iSCSI targets: iscsiadm: No records found
> > > >                                                            [  OK  ]
>
> > > > [root@nfs02 iscsi]# ps ax|grep iscsi
> > > >  4155 ?        S<     0:00 [iscsi_eh]
> > > >  4223 ?        S<     0:00 [iscsi_q_8]
> > > >  4226 ?        S<     0:00 [iscsi_q_9]
> > > >  4230 ?        S<     0:00 [iscsi_q_10]
> > > >  4233 ?        S<     0:00 [iscsi_q_11]
> > > >  4350 ?        S<     0:00 [iscsi_q_12]
> > > >  4353 ?        S<     0:00 [iscsi_q_13]
> > > >  4357 ?        S<     0:00 [iscsi_q_14]
> > > >  4360 ?        S<     0:00 [iscsi_q_15]
> > > >  4470 ?        S<     0:00 [iscsi_q_16]
> > > >  4473 ?        S<     0:00 [iscsi_q_17]
> > > >  4477 ?        S<     0:00 [iscsi_q_18]
> > > >  4480 ?        S<     0:00 [iscsi_q_19]
> > > >  4563 ?        S<     0:00 [iscsi_q_20]
> > > >  4566 ?        S<     0:00 [iscsi_q_21]
> > > >  4570 ?        S<     0:00 [iscsi_q_22]
> > > >  4573 ?        S<     0:00 [iscsi_q_23]
> > > >  4660 ?        Ss     0:00 /sbin/iscsid
> > > >  4661 ?        R<Ls   1:17 /sbin/iscsid
> > > >  4732 ?        S<     0:00 [iscsi_q_24]
>
> > > > Thanks,
>
> > > > Farhan
>
> > > > On Jul 23, 7:59 pm, Mike Christie <micha...@cs.wisc.edu> wrote:
> > > >> On 07/23/2011 02:49 AM, Farhan Ahmed wrote:
>
> > > >>> If I bring down the eth2 via "ifconfig eth2 down" then no issue and
> > > >>> routing table gets updated itself but I am disabling the eth2 by
> > > >>> disabling the port on switch so system routing doesnt change and If I
> > > >>> change the routing metric of eth2 then it uses other interfaces but I
> > > >>> dont think it is appropriate solution. My understanind is discovery
> > > >>> should do the job when we define the iface parmater in the command
> > > >>> line but follwoing command still try to connect array via eth2 which
> > > >>> is the first and default interface to connect array.
>
> > > >>> iscsiadm -m discovery -t st -p 192.168.42.190:3260 -I eth6
>
> > > >>> Should I try the git code
>
> > > >> Yeah, that should do what you want. Let me know.- Hide quoted text -
>
> > > - Show quoted text -
>
> > --
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> > For more options, visit this group at
> >http://groups.google.com/group/open-iscsi?hl=en.- Hide quoted text -
>
> - Show quoted text -

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