Hello again!

 

Recently, I've noticed that my cache drive is btrfs based, which puts me at the edge because I don't like new filesystems. People recommended me the XFS filesystem because it's very stable and it has less chance of losing data.

 

Well, this is what I found, see the image below. Basically, there's no option to switch filesystems. The array was stopped, the drive was removed from the array and added back, no change. There's no data at all (invoked the mover before stopping and pulling) so it's okay to reformat. But how can I do that?

 

Since I don't have a SATA-to-USB connector on hand, let me know how to do this within the server if possible. Thanks!

 

Change the number of cache slots on the main GUI page to only one. If you have multiple cache slots showing, empty or not, BTRFS is the only allowed filesystem.

Change the number of cache slots on the main GUI page to only one. If you have multiple cache slots showing, empty or not, BTRFS is the only allowed filesystem.

 

Thanks, this solved it right away! Quick question though. I have only one cache drive as of now; however, why can't I format multiple cache drives to xfs? Why does multiple cache drives require the use of the btrfs filesystem? This seems like a code quirk to me, but if you guys have any explanations, educate me please!

Because a cache pool (a form of raid 1) leverages btrfs raid which xfs does not support

 

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Thanks!