[Users] help with iSCSI storage domain needed - Ovirt -3.1

Wed Dec 12 21:57:38 UTC 2012

Mark,
I reinstalled both nodes and re-added them to the ovirt-engine system (ran engine-clean and then engine-setup  before doing it) and I was able to add iscsi storage using  ovirt-engine.
Thanks for your help.

--- On Wed, 12/12/12, Mark Wu <wudxw at linux.vnet.ibm.com> wrote:

From: Mark Wu <wudxw at linux.vnet.ibm.com>
Subject: Re: [Users] help with  iSCSI storage domain needed - Ovirt -3.1
To: "Aleksandr Arbitman" <arbitman at pacbell.net>
Cc: users at ovirt.org
Date: Wednesday, December 12, 2012, 12:36 AM

    On 12/12/2012 03:34 PM, Aleksandr
      Arbitman wrote:

            Mark.

              running both commands on one of the nodes was successful,
              see below:

              [root at ovirtnode1 ~]# iscsiadm --mode discoverydb --type
              sendtargets --portal 10.45.201.22 --discover 

              10.45.201.22:3260,1 iqn.2012-12.com.test:storage.target1

              [root at ovirtnode1 ~]# iscsiadm --mode node --targetname
              iqn.2012-12.com.test:storage.target1 --portal
              10.45.201.22:3260 --login

              Logging in to [iface: default, target:
              iqn.2012-12.com.test:storage.target1, portal:
              10.45.201.22,3260] (multiple)

              Login to [iface: default, target:
              iqn.2012-12.com.test:storage.target1, portal:
              10.45.201.22,3260] successful.

              [root at ovirtnode1 ~]#

              ######################

              When I run "tail -f  /var/log/vdsm/vdsm.log" that log
              shows the node is trying to access NFS based domain which
              I removed in engine before trying to add iscsi data
              domain. See here:

    I am not sure how it got connected to the NFS error. Did you mean
    running "tailf" when you're clicking the "DIscover Targets" button? 
    Could you please paste your vdsm.log on

    http://fpaste.org/

    and paste link here?  Thanks.

            ######################

              Traceback (most recent call last):

                File "/usr/share/vdsm/storage/domainMonitor.py", line
              103, in _monitorDomain

                File "/usr/share/vdsm/storage/nfsSD.py", line 100, in
              selftest

              StorageDomainFSNotMounted: Storage domain remote path not
              mounted:
('/rhev/data-center/mnt/nfs-storage.fib.int.asurion.com:_home_iso-domain',)

              Thread-31::ERROR::2012-12-12
              07:29:28,834::domainMonitor::120::Storage.DomainMonitor::(_monitorDomain)
              Error while collecting domain
              `f5adc0dc-7749-4d2c-b1ba-142ac4a0688c` monitoring
              information

              Traceback (most recent call last):

                File "/usr/share/vdsm/storage/domainMonitor.py", line
              103, in _monitorDomain

                File "/usr/share/vdsm/storage/nfsSD.py", line 100, in
              selftest

              StorageDomainFSNotMounted: Storage domain remote path not
              mounted:
('/rhev/data-center/mnt/nfs-storage.fib.int.asurion.com:_home_nfs-domain',)

              ##################

              Why can't I add iscsi storage using engine webGUI ?

              What would you recommend ? Thank you very much in advance
              for your help.

              --- On Tue, 12/11/12, Mark Wu <wudxw at linux.vnet.ibm.com>
              wrote:

                From: Mark Wu <wudxw at linux.vnet.ibm.com>

                Subject: Re: [Users] help with iSCSI storage domain
                needed - Ovirt -3.1

                To: "Aleksandr Arbitman" <arbitman at pacbell.net>

                Cc: users at ovirt.org

                Date: Tuesday, December 11, 2012, 10:36 PM

                    On
                      12/12/2012 09:40 AM, Aleksandr Arbitman wrote:

                            Hi,
                              everybody !

                              I have installed  ovirt 3.1 engine and two
                              nodes. I have setup iscsi storage on
                              another box and tested it with windows
                              system - I was able to add it to win7
                              initiator, meaning the storage configured
                              properly. But I can't add iscsi storage in
                              ovirt-engine system. When I use "DIscover
                              Targets" option and type IP address of my
                              iscsi system - nothing is happening.

                              All my systems - engine, nodes and iscsi
                              server - are on the same network. Is it a
                              bug? Is there any way to fix it ? Did
                              anyone have the same issue ? Please, help.
                              Thanks in advance for any tips.

                              Alex

                    Is there any error related in /var/vdsm/vdsm.log ?

                    Did you try to manually discover and login the iscsi
                    target by the following command?

                    iscsiadm --mode discoverydb --type sendtargets
                    --portal 192.168.122.1 --discover   // replace the
                    portal address with your iscsi server's ip address

                    iscsiadm --mode node --targetname
                    iqn.2001-05.com.doe:test --portal 192.168.1.1:3260
                    --login  //replace the iqn with what returned by the
                    above command, and also the portal address.

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