Mike,
iscsi: registered transport iscsi_tcp is not showing up in /var/log/
messages and here is the output of tail -f /var/log/messages when the
service iscsid start is executed
/var/log/messages/ output
------------------------------------------------------------------------------------------------------------------------------------------------------------
Jan 22 19:24:24 rac1 iscsid: iSCSI logger with pid=4135 started!
Jan 22 19:24:25 rac1 iscsid: transport class version 2.0-724. iscsid
version 2.0-868
Jan 22 19:24:25 rac1 iscsid: iSCSI daemon with pid=4136 started!
Jan 22 19:24:27 rac1 iscsid: received iferror -38
Jan 22 19:24:27 rac1 last message repeated 2 times
Jan 22 19:24:27 rac1 iscsid: connection1:0 is operational after
recovery (1 attempts)
Jan 22 19:24:37 rac1 kernel: ping timeout of 5 secs expired, last rx
4294947132, last ping 4294948382, now 4294949638
Jan 22 19:24:37 rac1 kernel:  connection1:0: iscsi: detected conn
error (1011)
Jan 22 19:24:37 rac1 kernel: sd 0:0:0:0: SCSI error: return code =
0x000e0000
Jan 22 19:24:37 rac1 kernel: end_request: I/O error, dev sda, sector 0
Jan 22 19:24:37 rac1 kernel: Buffer I/O error on device sda, logical
block 0
Jan 22 19:24:38 rac1 iscsid: Kernel reported iSCSI connection 1:0
error (1011) state (3)
Jan 22 19:24:40 rac1 iscsid: received iferror -38
Jan 22 19:24:40 rac1 last message repeated 2 times
Jan 22 19:24:40 rac1 iscsid: connection1:0 is operational after
recovery (1 attempts)
Jan 22 19:24:50 rac1 kernel: ping timeout of 5 secs expired, last rx
4294950394, last ping 4294951644, now 4294952894
Jan 22 19:24:50 rac1 kernel:  connection1:0: iscsi: detected conn
error (1011)
Jan 22 19:24:51 rac1 iscsid: Kernel reported iSCSI connection 1:0
error (1011) state (3)
Jan 22 19:24:53 rac1 iscsid: received iferror -38
Jan 22 19:24:53 rac1 last message repeated 2 times
Jan 22 19:24:53 rac1 iscsid: connection1:0 is operational after
recovery (1 attempts)
Jan 22 19:25:03 rac1 kernel: ping timeout of 5 secs expired, last rx
4294953651, last ping 4294954901, now 4294956151
Jan 22 19:25:03 rac1 kernel:  connection1:0: iscsi: detected conn
error (1011)
Jan 22 19:25:04 rac1 iscsid: Kernel reported iSCSI connection 1:0
error (1011) state (3)
Jan 22 19:25:06 rac1 iscsid: received iferror -38
Jan 22 19:25:06 rac1 last message repeated 2 times
Jan 22 19:25:06 rac1 iscsid: connection1:0 is operational after
recovery (1 attempts)
Jan 22 19:25:16 rac1 kernel: ping timeout of 5 secs expired, last rx
4294956907, last ping 4294958157, now 4294959407
Jan 22 19:25:16 rac1 kernel:  connection1:0: iscsi: detected conn
error (1011)
Jan 22 19:25:17 rac1 iscsid: Kernel reported iSCSI connection 1:0
error (1011) state (3)
Jan 22 19:25:19 rac1 iscsid: session [iqn.2006-01.com.openfiler:tsn.
61b3375e9b1d,10.98.1.101,3260] already running.
Jan 22 19:25:20 rac1 iscsid: received iferror -38
Jan 22 19:25:20 rac1 last message repeated 2 times
Jan 22 19:25:20 rac1 iscsid: connection1:0 is operational after
recovery (1 attempts)
Jan 22 19:25:29 rac1 kernel: ping timeout of 5 secs expired, last rx
4294960203, last ping 4294961454, now 4294962704
Jan 22 19:25:29 rac1 kernel:  connection1:0: iscsi: detected conn
error (1011)
Jan 22 19:25:30 rac1 iscsid: Kernel reported iSCSI connection 1:0
error (1011) state (3)
Jan 22 19:25:33 rac1 iscsid: received iferror -38
Jan 22 19:25:33 rac1 last message repeated 2 times
Jan 22 19:25:33 rac1 iscsid: connection1:0 is operational after
recovery (1 attempts)
Jan 22 19:25:42 rac1 kernel: ping timeout of 5 secs expired, last rx
4294963460, last ping 4294964710, now 4294965960
Jan 22 19:25:42 rac1 kernel:  connection1:0: iscsi: detected conn
error (1011)
Jan 22 19:25:43 rac1 iscsid: Kernel reported iSCSI connection 1:0
error (1011) state (3)
Jan 22 19:25:46 rac1 iscsid: received iferror -38
Jan 22 19:25:46 rac1 last message repeated 2 times
Jan 22 19:25:46 rac1 iscsid: connection1:0 is operational after
recovery (1 attempts)
Jan 22 19:25:55 rac1 kernel: ping timeout of 5 secs expired, last rx
4294966716, last ping 670, now 1920
Jan 22 19:25:55 rac1 kernel:  connection1:0: iscsi: detected conn
error (1011)
Jan 22 19:25:55 rac1 kernel: sd 0:0:0:0: SCSI error: return code =
0x000e0000
Jan 22 19:25:55 rac1 kernel: end_request: I/O error, dev sda, sector 0
Jan 22 19:25:55 rac1 kernel: Buffer I/O error on device sda, logical
block 0
Jan 22 19:25:56 rac1 iscsid: Kernel reported iSCSI connection 1:0
error (1011) state (3)
Jan 22 19:25:59 rac1 iscsid: received iferror -38
Jan 22 19:25:59 rac1 last message repeated 2 times
Jan 22 19:25:59 rac1 iscsid: connection1:0 is operational after
recovery (1 attempts)
Jan 22 19:26:08 rac1 kernel: ping timeout of 5 secs expired, last rx
2677, last ping 3927, now 5177
Jan 22 19:26:08 rac1 kernel:  connection1:0: iscsi: detected conn
error (1011)
Jan 22 19:26:09 rac1 iscsid: Kernel reported iSCSI connection 1:0
error (1011) state (3)
Jan 22 19:26:12 rac1 iscsid: received iferror -38
Jan 22 19:26:12 rac1 last message repeated 2 times
Jan 22 19:26:12 rac1 iscsid: connection1:0 is operational after
recovery (1 attempts)
Jan 22 19:26:21 rac1 kernel: ping timeout of 5 secs expired, last rx
5933, last ping 7183, now 8433
Jan 22 19:26:21 rac1 kernel:  connection1:0: iscsi: detected conn
error (1011)
Jan 22 19:26:22 rac1 iscsid: Kernel reported iSCSI connection 1:0
error (1011) state (3)
Jan 22 19:26:25 rac1 iscsid: received iferror -38
Jan 22 19:26:25 rac1 last message repeated 2 times
Jan 22 19:26:25 rac1 iscsid: connection1:0 is operational after
recovery (1 attempts)
Jan 22 19:26:34 rac1 kernel: ping timeout of 5 secs expired, last rx
9189, last ping 10439, now 11689
Jan 22 19:26:34 rac1 kernel:  connection1:0: iscsi: detected conn
error (1011)
Jan 22 19:26:35 rac1 iscsid: Kernel reported iSCSI connection 1:0
error (1011) state (3)
Jan 22 19:26:38 rac1 iscsid: received iferror -38
Jan 22 19:26:38 rac1 last message repeated 2 times
Jan 22 19:26:38 rac1 iscsid: connection1:0 is operational after
recovery (1 attempts)
Jan 22 19:26:47 rac1 kernel: ping timeout of 5 secs expired, last rx
12445, last ping 13695, now 14945
Jan 22 19:26:47 rac1 kernel:  connection1:0: iscsi: detected conn
error (1011)
Jan 22 19:26:48 rac1 iscsid: Kernel reported iSCSI connection 1:0
error (1011) state (3)
Jan 22 19:26:51 rac1 iscsid: received iferror -38
Jan 22 19:26:51 rac1 last message repeated 2 times
Jan 22 19:26:51 rac1 iscsid: connection1:0 is operational after
recovery (1 attempts)
-------------------------------------------------------------------------------------------------------------------------------

and the output from iscsiadm -m session -P 3 is
------------------------------------------------------------------------
iSCSI Transport Class version 2.0-724
iscsiadm version 2.0-868
Target: iqn.2006-01.com.openfiler:tsn.61b3375e9b1d
        Current Portal: 10.98.1.101:3260,1
        Persistent Portal: 10.98.1.101:3260,1
                **********
                Interface:
                **********
                Iface Name: default
                Iface Transport: tcp
                Iface Initiatorname: iqn.1994-05.com.redhat:54d4238c572
                Iface IPaddress: 10.98.1.91
                Iface HWaddress: default
                Iface Netdev: default
                SID: 1
                iSCSI Connection State: LOGGED IN
                iSCSI Session State: Unknown
                Internal iscsid Session State: NO CHANGE
                ************************
                Negotiated iSCSI params:
                ************************
                HeaderDigest: None
                DataDigest: None
                MaxRecvDataSegmentLength: 131072
                MaxXmitDataSegmentLength: 131072
                FirstBurstLength: 262144
                MaxBurstLength: 262144
                ImmediateData: No
                InitialR2T: Yes
                MaxOutstandingR2T: 1
                ************************
                Attached SCSI devices:
                ************************
                Host Number: 0  State: running
                scsi0 Channel 00 Id 0 Lun: 0
                        Attached scsi disk sda          State: running
                scsi0 Channel 00 Id 0 Lun: 1
                scsi0 Channel 00 Id 0 Lun: 2
                scsi0 Channel 00 Id 0 Lun: 3
                scsi0 Channel 00 Id 0 Lun: 4
                scsi0 Channel 00 Id 0 Lun: 5
---------------------------------------------------------------------------------------------------------------------------------------------------------
uname -a shows the following afterr installing new kernel
Linux rac1 2.6.18-128.el5xen #1 SMP Wed Dec 17 12:22:24 EST 2008 i686
i686 i386 GNU/Linux

Thanks Mike
Chava

On Jan 19, 10:27 am, Mike Christie <micha...@cs.wisc.edu> wrote:
> chava45 wrote:
> > Mike,
> > Yes i rebooted it and checked the kernel version with uname -a
> > it is showing the latest kernel . But the issue still persits.
> > the message that I see is from tail -f /var/log/messages
>
> > Here is log file messages
> > ---------------------------------------------------------------------------­---------------------
> > Jan 15 11:29:52 rac2 syslogd 1.4.1: restart.
> > Jan 15 11:30:01 rac2 kernel: ping timeout of 5 secs expired, last rx
> >nn
>
> Do you only see these errors when you are rebooting the box and iscsi
> sessions are logged in? If so that is a setup problem. Let's try to
> tackle one problem at a time.
>
> First, you had a problem finding disks or something right (thought you
> should have sda but seeing only sga in /dev)? Could you boot into the
> new kernel. When that is done, start the iscsi service. At this time in
> /var/log/messages send me the log outpout for the login. You should see
> something like this:
>
> iscsi: registered transport iscsi_tcp
>
> then some info about disks getting found. Something like this:
> kernel: sd 0:0:0:0: ..... some info about the disks .....
>
> Could you send all this output? Could you also run
>
> iscsiadm -m session -P 3
>
> and send that output?
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