Pardon me if this scenario has been discussed already, but I haven't seen anything as yet.

I'd like to request a 'zpool evacuate pool <device>' command. 'zpool evacuate' would migrate the data from a disk device to other disks in the pool.

Here's the scenario:

Say I have a small server with 6x146g disks in a jbod configuration. If I mirror the system disk with SVM (currently) and allocate the rest as a non-raidz pool, I end up with 4x146g in a pool of approximately 548gb capacity.

If one of the disks is starting to fail, I would need to use 'zpool replace new-disk old-disk'. However, since I have no more slots in the machine to add a replacement disk, I'm stuck.

This is where a 'zpool evacuate pool <device>' would come in handy. It would allow me to evacuate the failing device so that it could be replaced and re-added with 'zpool add pool <device>'.

What does the group think?

Thanks!

-----
Gregory Shaw, IT Architect
Phone: (303) 673-8273        Fax: (303) 673-8273
ITCTO Group, Sun Microsystems Inc.
1 StorageTek Drive MS 4382              [EMAIL PROTECTED] (work)
Louisville, CO 80028-4382                 [EMAIL PROTECTED] (home)
"When Microsoft writes an application for Linux, I've Won." - Linus Torvalds


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