[Users] Weird errors when trying to connect to an iSCSI target.

[Itamar Heim]

On 03/07/2013 09:52 PM, Joop wrote:
> Alissa Bonas wrote:
>> ----- Original Message -----
>>
>>> From: "noc"<noc at nieuwland.nl>
>>> To:users at ovirt.org
>>> Sent: Thursday, March 7, 2013 11:26:23 AM
>>> Subject: [Users] Weird errors when trying to connect to an iSCSI target.
>>>
>>>
>>> I have been able to connect to this iSCSI target before but now I'm
>>> getting some weird errors, see attached vdsm.log but in short its
>>> about the following:
>>>
>>> Thread-161303::DEBUG::2013-03-07
>>> 09:54:14,401::task::568::TaskManager.Task::(_updateState)
>>> Task=`182a27fe-dfb0-4e68-965e-c77b61050da9`::moving from state init
>>> -> state preparing
>>> Thread-161303::INFO::2013-03-07
>>> 09:54:14,402::logUtils::41::dispatcher::(wrapper) Run and protect:
>>> discoverSendTargets(con={'connection': '192.168.4.234', 'password':
>>> '******', 'port': '3260', 'user': ''}, options=None)
>>> Thread-161303::DEBUG::2013-03-07
>>> 09:54:14,402::misc::84::Storage.Misc.excCmd::(<lambda>)
>>> '/usr/bin/sudo -n /sbin/iscsiadm -m discoverydb -t sendtargets -I
>>> default -p 192.168.4.234:3260 --op=new' (cwd None)
>>> Thread-161303::DEBUG::2013-03-07
>>> 09:54:14,428::misc::84::Storage.Misc.excCmd::(<lambda>) SUCCESS:
>>> <err> = ''; <rc> = 0
>>> Thread-161303::DEBUG::2013-03-07
>>> 09:54:14,428::misc::84::Storage.Misc.excCmd::(<lambda>)
>>> '/usr/bin/sudo -n /sbin/iscsiadm -m discoverydb -t sendtargets -I
>>> default -p 192.168.4.234:3260 -n node.startup -v manual --op=update'
>>> (cwd None)
>>> Thread-161303::DEBUG::2013-03-07
>>> 09:54:14,452::misc::84::Storage.Misc.excCmd::(<lambda>) FAILED:
>>> <err> = 'iscsiadm: Cannot modify node.startup. Invalid param
>>> name.\n'; <rc> = 7
>>> Thread-161303::DEBUG::2013-03-07
>>> 09:54:14,453::misc::84::Storage.Misc.excCmd::(<lambda>)
>>> '/usr/bin/sudo -n /sbin/iscsiadm -m iface' (cwd None)
>>> Thread-161303::DEBUG::2013-03-07
>>> 09:54:14,476::misc::84::Storage.Misc.excCmd::(<lambda>) SUCCESS:
>>> <err> = ''; <rc> = 0
>>> Thread-161303::DEBUG::2013-03-07
>>> 09:54:14,477::misc::84::Storage.Misc.excCmd::(<lambda>)
>>> '/usr/bin/sudo -n /sbin/iscsiadm -m discoverydb -t sendtargets -I
>>> default -p 192.168.4.234:3260 --discover' (cwd None)
>>> Thread-161303::DEBUG::2013-03-07
>>> 09:54:14,512::misc::84::Storage.Misc.excCmd::(<lambda>) FAILED:
>>> <err> = 'iscsiadm: No portals found\n'; <rc> = 21
>>> Thread-161303::DEBUG::2013-03-07
>>> 09:54:14,516::misc::84::Storage.Misc.excCmd::(<lambda>)
>>> '/usr/bin/sudo -n /sbin/iscsiadm -m iface' (cwd None)
>>> Thread-161303::DEBUG::2013-03-07
>>> 09:54:14,541::misc::84::Storage.Misc.excCmd::(<lambda>) SUCCESS:
>>> <err> = ''; <rc> = 0
>>> Thread-161303::DEBUG::2013-03-07
>>> 09:54:14,541::misc::84::Storage.Misc.excCmd::(<lambda>)
>>> '/usr/bin/sudo -n /sbin/iscsiadm -m discoverydb -t sendtargets -I
>>> default -p 192.168.4.234:3260 --op=delete' (cwd None)
>>> Thread-161303::DEBUG::2013-03-07
>>> 09:54:14,565::misc::84::Storage.Misc.excCmd::(<lambda>) SUCCESS:
>>> <err> = ''; <rc> = 0
>>> Thread-161303::ERROR::2013-03-07
>>> 09:54:14,566::hsm::2799::Storage.HSM::(discoverSendTargets)
>>> Discovery failed
>>> Traceback (most recent call last):
>>> File "/usr/share/vdsm/storage/hsm.py", line 2797, in
>>> discoverSendTargets
>>> targets = iscsi.discoverSendTargets(iface, portal, cred)
>>> File "/usr/share/vdsm/storage/iscsi.py", line 202, in
>>> discoverSendTargets
>>> targets = iscsiadm.discoverydb_discover(discoverType, iface.name,
>>> portalStr)
>>> File "/usr/share/vdsm/storage/iscsiadm.py", line 213, in
>>> discoverydb_discover
>>> raise IscsiDiscoverdbError(rc, out, err)
>>> IscsiDiscoverdbError: (21, [], ['iscsiadm: No portals found'])
>>> Thread-161303::ERROR::2013-03-07
>>> 09:54:14,567::task::833::TaskManager.Task::(_setError)
>>> Task=`182a27fe-dfb0-4e68-965e-c77b61050da9`::Unexpected error
>>> Traceback (most recent call last):
>>> File "/usr/share/vdsm/storage/task.py", line 840, in _run
>>> return fn(*args, **kargs)
>>> File "/usr/share/vdsm/logUtils.py", line 42, in wrapper
>>> res = f(*args, **kwargs)
>>> File "/usr/share/vdsm/storage/hsm.py", line 2800, in
>>> discoverSendTargets
>>> raise se.iSCSIDiscoveryError(portal, e)
>>>
>>> Running the commands in a shell indeed gives the errors shown.
>>>
>>
>> Which version of ovirt are you working with?
>>
> Sorry should have mentioned that. I'm on oVirt-3.2 stable on F18 engine
> and hosts.
> [root at host01 vdsm]# rpm -aq | grep vdsm
> vdsm-python-4.10.3-9.fc18.x86_64
> vdsm-cli-4.10.3-9.fc18.noarch
> vdsm-xmlrpc-4.10.3-9.fc18.noarch
> vdsm-4.10.3-9.fc18.x86_64
> [root at host01 vdsm]# rpm -aq | grep iscsi
> iscsi-initiator-utils-6.2.0.872-19.fc18.x86_64
> [root at host01 vdsm]#
>
>
>> And in which shell did you try to run the command - vdsClient (vdsm's cli) or regular command line?
>>
> plain bash.
> [root at host01 vdsm]# /usr/bin/sudo -n /sbin/iscsiadm -m discoverydb -t
> sendtargets -I default -p 192.168.4.234:3260 --op=new
> New discovery record for [192.168.4.234,3260] added.
> [root at host01 vdsm]# /usr/bin/sudo -n /sbin/iscsiadm -m discoverydb -t
> sendtargets -I default -p 192.168.4.234:3260 -n node startup -v manual
> --op=update
> iscsiadm: Cannot modify node.startup. Invalid param name.
> [root at host01 vdsm]# /usr/bin/sudo -n /sbin/iscsiadm -m iface
> default tcp,<empty>,<empty>,<empty>,<empty>
> iser iser,<empty>,<empty>,<empty>,<empty>
> [root at host01 vdsm]# /usr/bin/sudo -n /sbin/iscsiadm -m discoverydb -t
> sendtargets -I default -p 192.168.4.234:3260 --discover
> iscsiadm: No portals found
> [root at host01 vdsm]# /usr/bin/sudo -n /sbin/iscsiadm -m iface
> default tcp,<empty>,<empty>,<empty>,<empty>
> iser iser,<empty>,<empty>,<empty>,<empty>
> [root at host01 vdsm]# /usr/bin/sudo -n /sbin/iscsiadm -m discoverydb -t
> sendtargets -I default -p 192.168.4.234:3260 --op=delete

was this resolved?


>
>>
>>> I have a wild guess but what interface is -I default referring to?
>>> I had more than one interface activated for this host but moved it to
>>> a cluster which didn't have the network definitions and removed the
>>> now invalid networks from the host. Just checked with tcpdump and
>>> the traffic is going through ovirtmgmt interface and the storage is
>>> responding.
>>> /var/lib/iscsi isn't filled with info, only
>>> sendtargets/target_ip_address/st_config
>>>
>>> Joop
>>> --
>>> irc: jvandewege
>>>
>
>
>
> _______________________________________________
> Users mailing list
> Users at ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>