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Can't shrink cache pool from 3 nvme's to 2?


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Posted

You can only remove a drive from a multi-drive pool if all aspects of it are set to a RAID1 profile or something similar.   According to your screenshot this is not the case as metadata, etc are set to Single profile.

Posted
48 minutes ago, itimpi said:

metadata, etc are set to Single profile.

And they should never be like that, unless it started as a single device and the metadata failed to balance to raid1 when more devices were added.

Posted

Thanks, I may have started with a single drive, then immediately added a second one? Then added third one a week or so later.

 

I assume the fix here then is to move all shares off cache, set new config and add the drives/drives back to cache.

 

What's the correct procedure to add to a cache pool and what do I look at to make sure it's balanced correctly?

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