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Migrate Kernel Requirements [message #45543] Thu, 15 March 2012 19:39 Go to next message
dlthomas is currently offline  dlthomas
Messages: 1
Registered: March 2012
Location: United States
Junior Member
Hi All,

I need to migrate an OpenVZ container from one Host to another. The kernel on the source is 2.6.18-274.3.1.el5.028stab094.3, on the destination it is 2.6.18-274.el5.028stab093.2. I'm pretty sure they are both CentOS 5.7, but I'm really not sure how to confirm this.

According to what I have read, the kernels need to be identical to perform the migration. Based on the aforementioned kernels, I believe the source machine is newer than the destination.

How do I update the destination kernel to be the same as the source?

Many thanks, in advance....
Re: Migrate Kernel Requirements [message #45556 is a reply to message #45543] Sat, 17 March 2012 14:10 Go to previous message
Jean-Marc Pigeon is currently offline  Jean-Marc Pigeon
Messages: 27
Registered: October 2007
Junior Member
Kernel exact match is required ONLY if you intend to do live migration
(no down time for VPS), if a short down time (like an apparent reboot)
is acceptable, then you can use vzmigrate without the --online option
and migration should be working no trouble.
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