[Lustre-discuss] formatting using ext4 ldiskfs

Andreas Dilger adilger at whamcloud.com
Wed Jun 8 16:12:21 PDT 2011

On 2011-06-08, at 6:49 AM, Wojciech Turek wrote:
> When I format OSTs using ext4 ldiskfs do I need to use --mkfsoptions='
> -T ext4' option to enable ext4 features or is it already enabled by
> default in mkfs.lustre ?

This has been landed to our master branch for 2.1, but is not the default in b1_8.  You still need to use the "--mkfsoptions='-t ext4'" option when formatting an OST or MDT filesystem.  See LU-255 (patch http://review.whamcloud.com/480) for more details of format-time options that have changed.

Cheers, Andreas
Andreas Dilger 
Principal Engineer
Whamcloud, Inc.

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