On Fri, Mar 25, 2016 at 10:55:34AM +0900, Satoru Takeuchi wrote:
> To accept DUP on multidev fs, in addition to the following
> commit, we need to mark DUP as an allowed data/metadata
> profile.
>
> commit 42f1279bf8e9 ("btrfs-progs: mkfs: allow DUP on multidev fs, only warn")
>
> * actual result
>
> =============================================
> # ./mkfs.btrfs -f -m DUP -d DUP /dev/sdb1 /dev/sdb2
> btrfs-progs v4.5-24-ga35b7e6
> See http://btrfs.wiki.kernel.org for more information.
>
> WARNING: DUP is not recommended on filesystem with multiple devices
> ERROR: unable to create FS with metadata profile DUP (have 2 devices but 1 devices are required)
> =============================================
>
> * expected result
>
> =============================================
> # ./mkfs.btrfs -f -m dup -d dup /dev/sdb1 /dev/sdb2
> WARNING: DUP is not recommended on filesystem with multiple devices
> btrfs-progs v4.5-25-g1a10a3c
> See http://btrfs.wiki.kernel.org for more information.
>
> Label: (null)
> UUID: 010d72ff-c87c-4516-8916-5e635719d110
> Node size: 16384
> Sector size: 4096
> Filesystem size: 28.87GiB
> Block group profiles:
> Data: DUP 1.01GiB
> Metadata: DUP 1.01GiB
> System: DUP 12.00MiB
> SSD detected: no
> Incompat features: extref, skinny-metadata
> Number of devices: 2
> Devices:
> ID SIZE PATH
> 1 953.00MiB /dev/sdb1
> 2 27.94GiB /dev/sdb2
>
> ==================================================
>
> Signed-off-by: Satoru Takeuchi <takeuchi_satoru@xxxxxxxxxxxxxx>
Applied, mkfs tests updated. Thanks.
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