Multiple local storage repositories in a standalone Oracle VM Server

Hi, I have a server with two disk volumes created: RAID1(/dev/sdb3) and RAID10(/dev/sda1)
In the RAID1 volume was installed the Oracle VM Server 2.2.1.
The rest of the RAID1 volume is available in the /OVS storage repository structure.
Then I setting up a second storage repository using the space of the RAID10 volume.
Steps:
# mkfs.ext3 /dev/sda1
# /opt/ovs-agent-2.3/utils/repos.py --new /dev/sda1
# /opt/ovs-agent-2.3/utils/repos.py -i
# /opt/ovs-agent-2.3/utils/repos.py -l
[ ] 25bfdcda-bad1-4836-ad72-d6204e56befb => /dev/sda1 -- RAID 10
[ * ] b8ea3f06-10f4-4ea3-8fd9-0295ac6d46b4 => /dev/sdb3 -- RAID 1
Finally I setup the fstab file to mount the RAID10 volume in boot-time in the /raid10 directory
Reboot the server
In the /raid10 directory I see the same directories names than the RAID1(/OVS) volume.
Are these steps correct?
When a new virtual machine is created with the Oracle VM Manager, how can I select the storage repository for this machine?
Thanks in advance

Hi,
yes this is correct.
Internally the ovs-agent will use the /var/ovs/mount/<ID> folders (you can check that with df -k) and not the /OVS directly.
You do not have a chance in the current version to choose the repository. The ovs-agent will simply take the repository where there is the most free space.
However after creating the VMs, you always (if shutdown) can simply move the contents of the folders (e.g. running_pool/name) to the other pool, and ovs-agent will automatically find the corresponding images (and update the configuration), when you start the VM.
Regards
Sebastian

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>
What make/model is your hardware, also what RAID controller?
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>
Its a proliant ml150 g6 server, with a P410i Smart Array Controller.
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>
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>
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kgraaf wrote:
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Q3) Is OracleVM reading both storage repositories per default and does it make use of the storage on the new disk when the first disk is full? How does OracleVM handle multiple repositories?It will create new VMs on the repository that has the most amount of free disk space. Thus it will use all the repositories at the same time.
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e.g
var number = localStorage['finalValue']; // for the sake of completeness I had to put this line of code
if( number ! = undefined){ // if not undefined so the object exits then ...
     sym.$(' (text identifier) '). text(number); // note text identifier is the name of the text box you create in edge
} // Done

Errors when accessing Encrypted Local Storage

Hi there,
I develop an AIR application and some of the users of the application are running into an issue when accessing Encryped Local Storage. Sometimes, when the application tries to put or retrieve an item from Encrypted Local Storage, these errors are reported:
Error: general internal error
EncryptedLocalStore database access error
I've searched around a little and it appears that these errors occur for a variety of reasons. Sounds like corruption to the user's keychain can result in this error being thrown (repairing the keychain was mentioned as a possible solution in one blog post). This same error happens to some Linux users (http://kb2.adobe.com/cps/492/cpsid_49267.html) when switching between Gnome and KDE desktops too. http://blogs.adobe.com/koestler/2009/07/unreadable_encrypted_local_sto.html seems to suggest that changing of usernames on the machine can have an impact on how the ELS is accessed.
In terms of a solution to this issue, I've seen multiple posts online asking the user to delete the ELS directory on their computer. While this 'solution' works for some users of the application I develop, it doesn't work for other users. http://forums.adobe.com/thread/239605 seems to suggest that a full factory reset of a user's OS gets everything back to square one and the ELS is now usable again - that's not really something that I can suggest to a user of an application. It seems a bit drastic and most users will (understandably) baulk at the idea of a full factory reset.
So, I'm in a position with AIR development where I have to provide a fallback to ELS. Thankfully, I don't use ELS in the application too much, but I imagine anyone that has to make meaningful use of it would be pretty handicapped by the issues above. I guess I have a few questions:
1. Has anyone been able to reproduce the errors listed above? Are you able to get your system into a state where 'Error: general internal error' appears consistently when you try to access ELS? I've tried the suggestions listed in the articles I outlined above, but have so far failed in reproducing these errors.
2. If you have managed to get your machine into this state, what is the most advisable remedial action? As I mentioned above, deleting the ELS directory to start anew seems to work for some users but not for others.
3. Is there anything that someone has tried where they've found a programmatic solution to avoid this issue altogether?
4. Can someone in AIR engineering comment on concrete efforts to avoid these sort of scenarios in future versions of the runtime? Is there any debug information that I can provide from users of this application that could help diagnose this issue further and possibly feed back to the AIR development team?
FWIW, my application descriptor file is pointing at the 1.5.3 version of the runtime. We've seen this happen to users that are running this application with both the 1.5.3 version of AIR and the 2.0.3 version of AIR. We've seen this happen on both Mac and Windows. I've seen this happen with initial installs of the application and with upgrades to new versions too.
Sean

Hi Sean,
Thanks for reporting the issue. As you pointed out (via the blogs and weblinks), we are aware of this issue. And the following blog post talks about the problem in detail:
http://kb2.adobe.com/cps/492/cpsid_49267.html
As mentioned there, this issues arises because of corruption of keyring database, which in turn could happen becuase of user migration, switching desktops, ELS data migration to a different machine etc In such a scenario, even native applications are not able to access the ELS store (gnome-keyring or kde-kwallet). So there is little that we could do here. We have never experienced a scenario where an AIR application resulted into the corruption of database.
Having said that, if you can provide us a constantly reproducible case (a list of steps which can always get us hit the issue), then we can definitely try to do the best possible in this regard.
Thanks,
-romil
(AIR Engineering)

Multiple local storage repositories in a standalone Oracle VM Server

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