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. Similarly, if you
use files then your files need to be shared (e.g. using NFS).
alex.
On 10/28/11 14:23, Greg Earle wrote:
All,
After getting advice from my earlier question about downgrading the firmware in
an LDom to match a proposed firmware/LDoms version upgrade, we revised our
strategy.
We thought we would clear out our "sandbox" T5120 and migrate the client LDoms in
the machine to be updated (firmware and LDoms software from 1.2 -> 2.0 or 2.1) so if
anything went wrong we could clear out the machine and migrate the LDoms back over to it.
Well, it turns out the client LDoms on the 1.2 system were made with paired
slices as the system disks instead of files :-(
vdisk0@casdev c1t0d0s3
vdisk1@casdev c1t1d0s3
vdisk0@casray c1t0d0s1
vdisk1@casray c1t1d0s1
In one of the clients it has (as you would expect, given this)
NAME STATE FLAGS CONS VCPU MEMORY UTIL UPTIME
casdev active -n---- 5000 12 4G 0.1% 414d 18h
[...]
DISK
NAME VOLUME TOUT ID DEVICE SERVER
MPGROUP
vdisk0 c1t0d0s3@primary-vds0 0 disk@0 primary
vdisk1 c1t1d0s3@primary-vds0 1 disk@1 primary
The control LDom for these clients has 2 disks and slice 0 of each is used for
the control LDom and there are these other slices (1, 3, ... ) for the client
LDoms.
The target system we wanted to migrate to also has 2 disks, and slice 0 of each
is a single disk-spanning partition - since we're using files as virtual disks
for the client LDoms that were on that system previously.
I'm guessing that with this setup there is no way to even do a cold migration
of the old LDoms 1.2 client LDoms to the newer LDoms 2.0 system, short of a
complete reinstall.
(Unless it involved somehow re-slicing the control LDom disks and making
identically-sized partitions to match the old system's and then - somehow -
"dd"'ing the source system's client LDom disk slices over into the target
system's)
Am I right?
- Greg
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