[ovirt-users] importing iscsi storage domain

Wed Feb 11 04:57:50 EST 2015

Steven - can you please attach engine.log also? (/var/log/ovirt-engine/engine.log) 

Adding Maor and Liron from DEV. 

Maor, Liron, can you take a look? 

In vdsm.log I see the following: 

Thread-77065::WARNING::2015-02-10 09:43:49,917::resourceManager::591::Storage.ResourceManager::(registerResource) Resource factory failed to create resource '2e94bbac-1648-49db-8605-ce574d2bc240_imageNS.952af113-8219-43a4-92a9-bfe913ec8b69'. Canceling request. 
Traceback (most recent call last): 
File "/usr/share/vdsm/storage/resourceManager.py", line 587, in registerResource 
obj = namespaceObj.factory.createResource(name, lockType) 
File "/usr/share/vdsm/storage/resourceFactories.py", line 193, in createResource 
lockType) 
File "/usr/share/vdsm/storage/resourceFactories.py", line 119, in __getResourceCandidatesList 
repoPath = os.path.join(self.storage_repository, dom.getPools()[0]) 
IndexError: list index out of range 
Thread-77065::DEBUG::2015-02-10 09:43:49,918::resourceManager::210::Storage.ResourceManager.Request::(cancel) ResName=`2e94bbac-1648-49db-8605-ce574d2bc240_imageNS.952af113-8219-43a4-92a9-bfe913ec8b69`ReqID=`10e68fbb-ac50-461f-92ac-d8c43060ed43`::Canceled request 
Thread-77065::WARNING::2015-02-10 09:43:49,918::resourceManager::203::Storage.ResourceManager.Request::(cancel) ResName=`2e94bbac-1648-49db-8605-ce574d2bc240_imageNS.952af113-8219-43a4-92a9-bfe913ec8b69`ReqID=`10e68fbb-ac50-461f-92ac-d8c43060ed43`::Tried to cancel a processed request 
Thread-77065::ERROR::2015-02-10 09:43:49,918::task::866::Storage.TaskManager.Task::(_setError) Task=`6e023655-23ad-42cd-9b7e-6c5e5e3b08b9`::Unexpected error 
Traceback (most recent call last): 
File "/usr/share/vdsm/storage/task.py", line 873, in _run 
return fn(*args, **kargs) 
File "/usr/share/vdsm/logUtils.py", line 45, in wrapper 
res = f(*args, **kwargs) 
File "/usr/share/vdsm/storage/hsm.py", line 1285, in setVolumeDescription 
pool.setVolumeDescription(sdUUID, imgUUID, volUUID, description) 
File "/usr/share/vdsm/storage/securable.py", line 77, in wrapper 
return method(self, *args, **kwargs) 
File "/usr/share/vdsm/storage/sp.py", line 1884, in setVolumeDescription 
rm.LockType.exclusive): 
File "/usr/share/vdsm/storage/resourceManager.py", line 523, in acquireResource 
raise se.ResourceAcqusitionFailed() 
ResourceAcqusitionFailed: Could not acquire resource. Probably resource factory threw an exception.: () 

----- Original Message -----

From: "Steven M. Bellistri" <SBellistri at ldirx.com> 
To: "Elad Ben Aharon" <ebenahar at redhat.com> 
Sent: Tuesday, 10 February, 2015 6:35:32 PM 
Subject: RE: [ovirt-users] importing iscsi storage domain 

Another issue, when I failback the 2 storage domains, the 2 nd SD is not working. The vm that has the DB drives will not boot after I failover (I checked the virtio-scsi setting and it was checked), but I was getting an error in the manager saying that: Failed to update OVF disks 952af113-8219-43a4-92a9-bfe913ec8b69, OVF data isn't updated on those OVF stores (Data Center Default, Storage Domain iSCSI_2). So then I tried putting the SD2 into maintenance mode and then reactivating it, but it would not active or would it detach. I had to destroy the SD. The weird thing is that I had no problems with the 1 st SD. I am sending the vdsm.log file from the host in the PR site. 

From: Elad Ben Aharon [mailto:ebenahar at redhat.com] 
Sent: Monday, February 9, 2015 1:26 AM 
To: Steven M. Bellistri 
Cc: Aharon Canan; users at ovirt.org 
Subject: Re: [ovirt-users] importing iscsi storage domain 

The import domain operation consists of several stages which their execution time can vary. 

It would be almost impossible to estimate how long it will take. But, since the whole import operation, along with the VMs registration in the new environment, doesn't involve any long time operations, like disks creation, it shouldn't take more than a few minutes. 

----- Original Message -----

From: "Steven M. Bellistri" <SBellistri at ldirx.com> 
To: "Elad Ben Aharon" <ebenahar at redhat.com> 
Cc: "Aharon Canan" <acanan at redhat.com>, users at ovirt.org 
Sent: Thursday, 5 February, 2015 5:41:11 PM 
Subject: RE: [ovirt-users] importing iscsi storage domain 

I put the storage domain in maintenance mode, then changed the time from 60minutes to 5min, then after I failed the storage over I was able to import the domain. Thanks so much for the help. I just have one more question, is there anyway to calculate how long it will take to import a domain, because our production environment is about 5.5TB with about 40vm’s? 

thanks 

From: Elad Ben Aharon [mailto:ebenahar at redhat.com] 
Sent: Thursday, February 5, 2015 1:49 AM 
To: Steven M. Bellistri 
Cc: Aharon Canan; users at ovirt.org 
Subject: Re: [ovirt-users] importing iscsi storage domain 

If you can't see the VMs under 'VM Import' subtab under the imported storage domain, it means that you won't be able to recover those VMs (because their configuration files weren't uploaded to the domain). 

For the next time, you can decrease the time interval of the OVFs upload as explained below in the thread. 

Regarding the upgrade, it is possible to upgrade from 3.4 to 3.5 and once you'll upgrade the setup and the DC compatibility version to 3.5, the OVFs of the VMs will be uploaded to the storage domains where the VMs's disks are located on. (again, every 60 minutes by default). 

Elad Ben Aharon 
RHEV-QE storage 

From: "Steven M. Bellistri" < SBellistri at ldirx.com > 
To: "Elad Ben Aharon" < ebenahar at redhat.com > 
Cc: "Aharon Canan" < acanan at redhat.com >, users at ovirt.org 
Sent: Wednesday, 4 February, 2015 5:44:37 PM 
Subject: RE: [ovirt-users] importing iscsi storage domain 

No, I did not wait 60 minutes before I tried to failover. Do, I need to start over, or can I just failback and wait the hour for the ovfs to upload? I do have a question, is this feature possible for an environment that was upgraded from 3.4 to 3.5? My production environment is 3.4, the 3.5 environment is a clean test environment, but if I cant upgrade to 3.5 from 3.4 then this will not be a good DR option for me. 

thanks 

From: Elad Ben Aharon [ mailto:ebenahar at redhat.com ] 
Sent: Wednesday, February 4, 2015 8:56 AM 
To: Steven M. Bellistri 
Cc: Aharon Canan; users at ovirt.org 
Subject: Re: [ovirt-users] importing iscsi storage domain 

Hi Steven, 

In order to import the VMs from the imported storage domain, the VMs configuration files (which are called OVFs) have to be uploaded first before the domain is detached from the setup. This is being done by engine in a time interval of 60 minutes (it's configurable using rhevm-config --set OvfUpdateInMinutes=<value> and restart ovirt-engine service). From 3.5.1, the OVFs are uploaded once you move the storage domain to maintenance. did you do so in the original RHEV environment? What was the version of this environment? 

If you didn't deactivate the domain in the first environment and then tried to attach it to the DR environment, the existence of the VMs in the domain depends on the OVFs upload that was supposed to be done by the first engine, which is being done every 60 minutes as explained, so if you've created those VMs and immediately destroyed the setup, those VMs probably won't be available for you in the DR environment. 

Elad Ben Aharon 
RHEV-QE storage 

From: "Steven M. Bellistri" < SBellistri at LDIRx.com > 
To: "Aharon Canan" < acanan at redhat.com > 
Cc: users at ovirt.org 
Sent: Tuesday, 3 February, 2015 6:16:01 PM 
Subject: Re: [ovirt-users] importing iscsi storage domain 

version 3.5.1 

From: Aharon Canan [ mailto:acanan at redhat.com ] 
Sent: Tuesday, February 3, 2015 6:22 AM 
To: Steven M. Bellistri 
Cc: users at ovirt.org 
Subject: Re: [ovirt-users] importing iscsi storage domain 

What version are you using? 

Regards, 
__________________________________________________ 
Aharon Canan 
int phone - 8272036 
ext phone - +97297692036 
email - acanan at redhat.com 

From: "Steven M. Bellistri" < SBellistri at ldirx.com > 
To: "Aharon Canan" < acanan at redhat.com > 
Cc: users at ovirt.org 
Sent: Monday, February 2, 2015 8:12:00 PM 
Subject: RE: [ovirt-users] importing iscsi storage domain 

Thank you for the response. 

I went thru the steps 1-9, and when I get to step 10 there is no import vms or import templates sub-tabs. I am including the vdsm.log from the host. Also, when I do a lvs on the host, I can see the disks that reside in the imported SD, one is 30gb and the other is 40gb. The storage domain I am importing is called iSCSI. 

From: Aharon Canan [ mailto:acanan at redhat.com ] 
Sent: Sunday, February 1, 2015 9:55 AM 
To: Steven M. Bellistri 
Cc: users at ovirt.org 
Subject: Re: [ovirt-users] importing iscsi storage domain 

Hi 

Please check below link for info, ovirt version should be 3.5 

http://www.ovirt.org/Features/ImportStorageDomain 

please be aware to step 10 under " Work flow for Import block Storage Domain - UI flow " 

In case it is not working, please add exact steps and engine/vdsm logs so we will be able to check 

Regards, 
__________________________________________________ 
Aharon Canan 
int phone - 8272036 
ext phone - +97297692036 
email - acanan at redhat.com 

<blockquote>

From: "Steven M. Bellistri" < SBellistri at LDIRx.com > 
To: " users at ovirt.org " < users at ovirt.org > 
Sent: Friday, January 30, 2015 12:18:54 AM 
Subject: [ovirt-users] importing iscsi storage domain 

I am trying to test failing over to a DR site using the storage domain import. The DR site shows that it imported the iscsi storage domain, and activates it in the datacenter, but none of the vm’s or anything shows up. What am I missing. 

thanks 

Steven Bellistri 

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