Archive for the ‘Xen’ Category

Starting in Oracle VM 3.2.1 the built in database of the Oracle VM Manager was MySQL.  I had hoped that this change would also signal a change in the database schema.  In prior versions of OVM 3.x all data was populated in the database in a completely useless longblob form. As we can see it […]

Wednesday, February 13th, 2013 at 06:00 | 1 comment
Categories: Database, How To, Oracle VM

Today we are going over a script I wrote to utilize the ovmcli to rename all virtual disks to follow a understandable standard, in this case we will take the vmname and append a disk identifier to it.  The first disk (slot 0) will be appended with “_system.img” with all subsequent being appended with “_dataX.img” […]

Wednesday, February 6th, 2013 at 06:00 | Comments Off
Categories: Bash, How To, Oracle VM

So I have been working with the OVM CLI lately to try and fill in some holes in my knowledge and provide for some easily reproducible procedures, usually around consistency of the environment when performing frequent tear downs and upgrades.  So expect to see more OVM related scripts going forward. Today we are going over […]

Monday, February 4th, 2013 at 06:00 | Comments Off
Categories: Bash, How To, Oracle VM

I have been spending some time learning the OVM 3 CLI since it was released in the earlier 3.x versions, however the biggest roadblock for me has always been that they only allow access via SSH on port 10000.  However now I know how to enable key based authentication for these connections opening this up […]

Tuesday, January 29th, 2013 at 06:00 | Comments Off
Categories: How To, Oracle VM

One of my biggest complaints about Oracle VM 3 is that everything is abstracted at every level.  A VM name is simply meta data stored in a database (kind of) while everywhere that it matters the VM only exists as a UUID, lets look at some examples. The Way It Is From the hypervisor if […]

Monday, January 28th, 2013 at 06:00 | 1 comment
Categories: How To, Oracle VM
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