6.9 SSD fix - BTRFS


macmanluke

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Hello

 

Looking to upgrade shortly to 6.9 and do the SSD fix - cache ssd pool has written 190TB in a year...

 

In the instructions i noticed it says use mover to transfer cache to array but onto a btrfs drive - is there any reason for this?
my array is XFS

If its required is there any way of converting a drive without messing up the array/parity etc?
Currently have one drive thats empty (and excluded from shares globally) as i moved its contents off when i had a drive start failing recently (since replaced/rebuilt array)

 

thanks!

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38 minutes ago, macmanluke said:

In the instructions i noticed it says use mover to transfer cache to array but onto a btrfs drive - is there any reason for this?
my array is XFS

My guess would be to preserve the NOCOW attributes.

 

39 minutes ago, macmanluke said:

If its required is there any way of converting a drive without messing up the array/parity etc?
Currently have one drive thats empty (and excluded from shares globally) as i moved its contents off when i had a drive start failing recently (since replaced/rebuilt array)

 

If your current pool is RAID1 you can use this easier method:

 

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