Solaris

only one, for the moment..A new order has been dispatched in order to have other 2 disk...When they'll arrive i ll try to redudant each disk.
So, to sum up the better solution for now is :
- Add a new disk to root rpool in order to increase space;
- Redudant disk when new disks will come;

For that second issue is there a simple command as the one you gave me to add a new disk, to redudand the data on new disks?

And do have i to eliminate currently pool mounted on second disk in order to add it to the root pool ?(i have a pool named pool1 on the second disk, do i have to eliminate it and then add second disk to the root pool?)

thanks

To create a mirror using the new disk, use:

Code:

zpool attach rpool existingdevice newdevice

This is a bad practice.
You don't put databases (or anything) in root pool (or volume group for that matter).

What you need to do is

1. Create a new zpool with at least 2 mirrored disks (or without protection if you have FC disks which have redudancy on storage side).
2. Create zfs filesystem inside it.
3. Plan for downtime.
4. Using send - receive migrate the data to new zfs filesystem.
5. Profit.

Depends on your layout, you might even destroy the old zfs filesystem (mounted on /app) and mount the new (migrated) one on same location.

Be sure to test the send - receive before removing anything.
Exercise caution with zfs/zpool destroy command, since there is no 'Are you sure' questions.

Hope that helps.

Regards.
Peasant.

thanks heargp and peasent for your support,

the situation it's clear but for now i cannot operate in this way because i don't have many disks but only a primary disk, a secondary disk (on witch exist a zfs pool) and an external hd.
So this is the plan i have in mind according with all of your advices and tips, tell me if it can be a TEMPORANY patch for that situation :
1) Move all the content of the secondary disk to the external usb drive;
2) Expand the space of the root pool on the primary disk with zpool add command
3) Once more space has been added to the root pool, set a reservation for the root pool

Question_1) Can this plan be good enough as temporany solution?
Question_2) Between 1 and 2, have i to eliminate the pool i have setted on secondary disk?

thanks to all