Re: [ldoms-discuss] Cold migration of LDoms with slice-based system disks - not possible?

[Hung-Sheng Tsao (Lao Tsao 老曹) Ph.D.]

On 10/29/2011 12:39 AM, Greg Earle wrote:
On Oct 28, 2011, at 6:00 PM, Alexandre Chartre wrote:

To use migration, your disks need to be shared between the system
you are migrating to/from.  It does not matter if you are using slices
or full disks, but this needs to be shared disks.
I was afraid of that.  So basically we're screwed  :-(

I'm guessing no one has ever tried my "dd<from raw slice>  | ssh destination dd<to 
same-sized/name raw slice>" idea ...
may be you can try to create flar or just cpio and re-install ldom on 
2nd server
or just do the  application migration (tar or cpio then move)

Similarly, if you use files then your files need to be shared (e.g. using NFS).
This, on the other hand, isn't strictly true.  We have done cold migrations 
where we have stopped the source LDoms, tar'ed up the vdisk files and copied 
them over the network to the destination host and put them into the same paths, 
and then done the migration and it's worked like a charm.  No NFS needed.
It seems that both server will need to be the same? HW/SW?

        - Greg

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