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

Thu Mar 7 19:52:36 UTC 2013

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

>   
>> 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
>>     

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