On Oct 20, 5:53 pm, Mike Christie <[EMAIL PROTECTED]> wrote:
> Martin wrote:
>
> > On Oct 20, 1:43 pm, Mike Christie <[EMAIL PROTECTED]> wrote:
> >> Martin wrote:
> >>> On Oct 20, 11:51 am, Mike Christie <[EMAIL PROTECTED]> wrote:
> >>>> Martin wrote:
> >>>>> Hi,
> >>>>> I'm trying to login to a linux-iscsi.org target.  I issue the
> >>>>> following:
> >>>>> iscsiadm -m node -T iqn.2001-09.net.ketsds:keat.storage.fast3  -p
> >>>>> 10.1.206.2 -l
> >>>>> and after a long pause get the following error:
> >>>>> iscsiadm: initiator reported error (11 - iSCSI PDU timed out)
> >>>>> Any ideas how to diagnose?
> >>>>> Target is CentOS 5.2 (kernel 2.6.18-92.1.13.e15) running LIO
> >>>>> 2.9.0.384.  I have been able to use the same targets from an MS
> >>>>> Windows 2008 initiator.
> >>>>> Initiator is CentOS 5.2 (not sure the kernel) with open-iscsi
> >>>>> 2.0-868.  Discovery (iscsiadm -m discovery -t sendtargets -p
> >>>>> 10.1.206.2) worked fine.
> >>>> Are you using CHAP or does the target have some sort of initiator access
> >>>> list?
> >>>> Is there anything in /var/log/messages about a login error (and
> >>>> initiator dropping a pdu)? Is there anything in /var/log/messages from
> >>>> iscsid?
> >>>> Could you run iscsid with debugging by hand:
> >>>> iscsid -d 8
> >>>> and send the output.- Hide quoted text -
> >>>> - Show quoted text -
> >>> Thanks for the quick response!
> >>> 1) I am not using CHAP.  That is, the target supports CHAP but I did
> >>> not define any users/passwords and I was able to connect from another
> >>> initiator without specifying any authentication info.
> >>> 2) LIO does require me to specify the initiators allowed to use each
> >>> target.  As far as I can tell I've configured that properly...
> >>> 3) This is what I find in /var/log/messages around the time of an
> >>> iscsid login attempt:
> >> Hmmm, maybe two problems.
>
> >>> Oct 20 12:39:15 ed3492-xen kernel: scsi5 : iSCSI Initiator over TCP/IP
> >>> Oct 20 12:39:15 ed3492-xen kernel: iscsi: dropping ctask with itt 0x0
> >> This is really weird. It would normally only happen if we raced during
> >> scsi eh processing, but at this point we should not be able to run scsi
> >> eh processing. We might be getting a bad tag from the target or we might
> >> have sent the target a bad tag.
>
> >> What arch are you using? Is it a 64 bit one? Are you doing 64 bit
> >> kernels and 32 bit userspace by any chance?
>
> >> Are you using the kernel modules from Centos's kernel and the tools from
> >> open-iscsi.org's open-iscsi 2.0-868 tarball? Or are you using the
> >> iscsi-initiator-utils from Centos and the kernel modules from Cento's?
> >> If you are using a tarball from open-iscsi.org did you do a make and
> >> make isnstall? Did you install Centos's iscsi-initiator-utils then also
> >> install the open-iscsi.org tarball tools.
>
> >>> Oct 20 12:39:15 ed3492-xen iscsid: session [iqn.
> >>> 2001-09.net.ketsds:keat.storage.fast3,10.1.206.2,3260] already
> >>> running.
> >> This and this:
>
> >>> iscsiadm: Could not login to [iface: default, target: iqn.
> >>> 2001-09.net.ketsds:keat.storage.fast3, portal: 10.1.206.2,3260]:
> >>> iscsiadm: initiator reported error (11 - iSCSI PDU timed out)
> >>> iscsiadm: Could not login to [iface: default, target: iqn.
> >>> 2001-09.net.ketsds:keat.storage.fast3, portal: 10.1.206.2,3260]:
> >>> iscsiadm: initiator reported error (15 - already exists)
> >>> Logging in to [iface: default, target: iqn.
> >>> 2001-09.net.ketsds:keat.storage.fast3, portal: 10.1.206.2,3260]
> >>> Logging in to [iface: default, target: iqn.
> >>> 2001-09.net.ketsds:keat.storage.fast3, portal: 10.1.206.2,3260]
> >> is a little strange too. Some how you got multiple records with the same
> >> values. There is only one target and one portal right? Have you recently
> >> upgraded tools down graded?
>
> >> You might want to do a "whereis iscsid" and "whereis iscsiadm" and
> >> "rpm -q iscsi-initiator-utils".
>
> >> Could you also run
>
> >> iscsiadm -m node -P 1
>
> >> and send the output- Hide quoted text -
>
> >> - Show quoted text -
>
> > It's all 64-bit as far as I can tell.  I should tell you that I've
> > installed the xen bits on this "client" system as well.
>
> > I installed the open-iscsi bits from the CentOS repository (yum
> > install iscsi-initiator-utils)
>
> > There are three targets set up on my target host, all via the same
> > portal and port.
>
> > whereis says
>
> > iscsid: /sbin/iscsid
> > iscsiadm: /sbin/iscsiadm
>
> > rpm says
>
> > iscsi-initiator-utils-6.2.0.868-0.7.el5
>
> > isicsiadm -m node -P 1  says
>
> > Target: iqn.2001-09.net.ketsds:keat.storage.fast1
> >    Portal: 10.1.206.2:3260,1
> >            Iface Name: default
> > Target: iqn.2001-09.net.ketsds:keat.storage.fast2
> >    Portal: 10.1.206.2:3260,1
> >            Iface Name: default
> > Target: iqn.2001-09.net.ketsds:keat.storage.fast3
> >    Portal: 10.1.206.2:3260,1
> >            Iface Name: default
> >            Iface Name: default
>
> Let's try to start from scratch, because the above should not happen.
>
> Do
>
> rm -f -r /var/lib/iscsi/*
>
> Then redo discovery
>
> iscsiadm -m discovery -t st ..... -l -P 1
>
> (send this outpout)
>
> Then do
>
> iscsiadm -m node -P 1
>
> (send this too).- Hide quoted text -
>
> - Show quoted text -

Ok, I did

iscsiadm -m discovery -t st -p <my_ip> -l -P 1

STDOUT received

    Target: iqn.2001-09.net.ketsds:keat.storage.fast1
        Portal: 10.1.206.2:3260,1
           Iface Name: default
    Target: iqn.2001-09.net.ketsds:keat.storage.fast2
        Portal: 10.1.206.2:3260,1
           Iface Name: default
    Target: iqn.2001-09.net.ketsds:keat.storage.fast3
        Portal: 10.1.206.2:3260,1
           Iface Name: default
Logging in to [iface: default, target: iqn.
2001-09.net.ketsds:keat.storage.fast1, portal: 10.1.206.2,3260]
Logging in to [iface: default, target: iqn.
2001-09.net.ketsds:keat.storage.fast2, portal: 10.1.206.2,3260]
Logging in to [iface: default, target: iqn.
2001-09.net.ketsds:keat.storage.fast3, portal: 10.1.206.2,3260]


STDERR received

iscsiadm: Could not login to [iface: default, target: iqn.
2001-09.net.ketsds:keat.storage.fast1, portal: 10.1.206.2,3260]:
iscsiadm: initiator reported error (11 - iSCSI PDU timed out)
iscsiadm: Could not login to [iface: default, target: iqn.
2001-09.net.ketsds:keat.storage.fast2, portal: 10.1.206.2,3260]:
iscsiadm: initiator reported error (11 - iSCSI PDU timed out)
iscsiadm: Could not login to [iface: default, target: iqn.
2001-09.net.ketsds:keat.storage.fast3, portal: 10.1.206.2,3260]:
iscsiadm: initiator reported error (11 - iSCSI PDU timed out)




Then I ran iscsiadm -m node -P 1

STDOUT received

Target: iqn.2001-09.net.ketsds:keat.storage.fast1
        Portal: 10.1.206.2:3260,1
                Iface Name: default
Target: iqn.2001-09.net.ketsds:keat.storage.fast2
        Portal: 10.1.206.2:3260,1
                Iface Name: default
Target: iqn.2001-09.net.ketsds:keat.storage.fast3
        Portal: 10.1.206.2:3260,1
                Iface Name: default


STDERR received nothing



thanks!

Martin
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