[ovirt-users] importing iscsi storage domain

Wed Feb 11 09:18:52 UTC 2015

Thanks Steven, I filed a bug for the Virt-IO-SCSI issue https://bugzilla.redhat.com/show_bug.cgi?id=1191397 . 

----- 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: Tuesday, 10 February, 2015 5:28:22 PM 
Subject: RE: [ovirt-users] importing iscsi storage domain 

Thanks for all your help. I am having another issue, so I do not know if I need to send a separate email, and I have not had a chance to see if a bug has already been opened for this issue. I am importing two storage domains, that part works fine, I am able to import both domains no issues. The 1 st SD is a RAID 5 pool on our san, and the 2 nd is a RAID 10 pool on our san for DB files and log files for our DB servers and exchange, and all the drives are setup as virtio-scsi. So, I am able to import the vm’s with no problem, the vm’s that just have one disk on the 1 st SD start up with no problems, but the vm’s that have their boot disk on the 1 st SD (OS Drive) and have 2 other disks on the 2 nd SD. Would not boot at all they just keep saying cannot find boot disk, also when I failed back over the vm would not boot. After removing the disk to the 2 nd SD the vm booted at the primary site. What I found was that when I import the vm’s in the DR site, the vm does not have the option for virtio-scsi enabled, and once I enabled that option on the vm properties, the vm was able to boot. When I logged into the one of the drives should up, the other drive I just had to bring online, so not sure why one drive was online and the other was offline, but at least it booted. Why would the vm’s not import with the virtio-scsi enable, since it was originally enabled? 

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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