Hi Gary,

If your root pool is getting full, you can replace the root pool
disk with a larger disk. My recommendation is to attach the replacement
disk, let the replacement disk resilver, install the boot blocks, and
then detach the smaller disk. The system will see the expanded space
automatically.

A mirrored root pool configuration is a good suggestion too.

You need to follow the steps in the ZFS troubleshooting wiki (as
suggested) to label and partition the replacement disk.

http://www.solarisinternals.com/wiki/index.php/ZFS_Troubleshooting_Guide

Replacing/Relabeling the Root Pool Disk

Thanks,

Cindy


On 07/28/10 07:32, Gary Gendel wrote:
Right now I have a machine with a mirrored boot setup.  The SAS drives are 43Gs 
and the root pool is getting full.

I do a backup of the pool nightly, so I feel confident that I don't need to 
mirror the drive and can break the mirror and expand the pool with the detached 
drive.

I understand how to do this on a normal pool, but is there any restrictions for 
doing this on the root pool?  Are there any grub issues?

Thanks,
Gary
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