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

[Alissa Bonas]

----- 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?
And in which shell did you try to run the command - vdsClient (vdsm's cli) or regular command line?

> 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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