12.3. Creating an OCFS2 filesystem

Now, use OCFS2’s mkfs implementation to create the file system:

mkfs -t ocfs2 -N 2 -L ocfs2_drbd0 /dev/drbd0
mkfs.ocfs2 1.4.0
Filesystem label=ocfs2_drbd0
Block size=1024 (bits=10)
Cluster size=4096 (bits=12)
Volume size=205586432 (50192 clusters) (200768 blocks)
7 cluster groups (tail covers 4112 clusters, rest cover 7680 clusters)
Journal size=4194304
Initial number of node slots: 2
Creating bitmaps: done
Initializing superblock: done
Writing system files: done
Writing superblock: done
Writing backup superblock: 0 block(s)
Formatting Journals: done
Writing lost+found: done
mkfs.ocfs2 successful

This will create an OCFS2 file system with two node slots on /dev/drbd0, and set the filesystem label to ocfs2_drbd0. You may specify other options on mkfs invocation; please see the mkfs.ocfs2 system manual page for details.