Cache drive FS is now btrfs and no longer reiserfs. How to recover?


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Updated from 6.0.0 to 6.0.1. I did not start the array after the reboot. Changed array slots from 24 to 22 and cache from 1 to 2. Doing this only to see options for additional cache slots. Now I see the cache drive FS is btrfs and not reiserfs.  I start the array and you know the rest, I have an option to format the cache drive. :( 

 

 

How do I undo what happened? Or at least mount the drive to recover the data?

I am surprised this happened.

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Raid-1 cache pool of 2 or more drives for your cache system.

 

However, a multitude of users are/were having severe corruption issues with BTRFS that were unfixable so they reverted back to XFS or RFS.

 

I and others don't trust BTRFS for our data drives or even the cache drive.

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