Hello,
My SDD cache disk is reporting some smart errors so I'd like to replace it with a new larger one.
I'm using the cache disk for docker and the docker configuration.
What is the best way to swap the cache disk?
Although downtime isn't a problem, I'd prefer to not have to rebuild all of the docker set up so if I create a cache pool with both SDDs included and set it as mirrored and then remove the old SDD once the process is done I think I'll get everything copied.
But how do I increase the size of the remaining SDD to reflect it's larger capacity. And as I think about it how do I revert the cache to a single disk without losing it's data (I don't want to be endlessly bugged about the missing old disk).
Thanks in advance,
Alan.