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Steps to upgrade SSD pool (feddit.de)

submitted 2 years ago by [email protected] to c/[email protected]

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Hey,

I have a SSD pool with two relative small SSDs:

Now I started to notice that one of my SSDs started to fail. So I thought, why not use this opportunity to upgrade the pool. This is how I expect it to work:

Buy two new bigger SSDs
Restart server in safe mode
Remove failing SSD
Install one of the new SSDs
Add the new SSD to the pool
Start the Array?
The pool should regenerate???
Start with Step 3 again and replace the second small SSD
Profit ???

Is this how it works or do I really first need to use the mover and move all data back to the hard drives and replace the pool all at once?

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[–] [email protected] 3 points 1 year ago (1 children)

You could use this opportunity to upgrade your cache pool and use ZFS in one step:

Install two new SSDs
configure new second cache pool with zfs
stop all containers and VMs
run mover
switch all shares from old to new cache pool
copy all data remaining data from old to new cache pool
start containers and VMs

[–] doodlebob 1 points 1 year ago

I second the, I had an nvme fail on me and took the opportunity to switch to zfs. I'm planning on upgrading all of my other pools to zfs as well.