Re: super block crcs don't match, older mkfs detected

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On Sun, Jul 14, 2013 at 12:11:04PM -0600, Chris Murphy wrote:
> On Fedora 19 with all updates, when I mkfs.btrfs and then mount the volume, I'm getting this in dmesg:
> 
> [  280.534868] Btrfs loaded
> [  280.581799] device fsid 94ed05cb-89a9-4d6b-a1e2-5312687b59f5 devid 1 transid 4 /dev/mapper/vg1-brick1
> [  280.590140] btrfs: super block crcs don't match, older mkfs detected
> [  280.597746] btrfs: disk space caching is enabled
> [  280.661204] SELinux: initialized (dev dm-4, type btrfs), uses xattr
> 
> btrfs-progs-0.20.rc1.20130308git704a08c-1.fc19.x86_64
> kernel-3.10.0-1.fc20.x86_64
> 
> Is this expected? Benign?

   Yes, I believe it's harmless and will go away after the first
mount.

   Hugo.

-- 
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