.IP "0, 0.90, default"
.el
.IP "0, 0.90"
-..
Use the original 0.90 format superblock. This format limits arrays to
28 component devices and limits component devices of levels 1 and
greater to 2 terabytes. It is also possible for there to be confusion
.IP "1, 1.0, 1.1, 1.2"
.el
.IP "1, 1.0, 1.1, 1.2 default"
-..
Use the new version-1 format superblock. This has fewer restrictions.
It can easily be moved between hosts with different endian-ness, and a
recovery operation can be checkpointed and restarted. The different
or
.BR \-\-build .
-.ig XX
-.\".TP
-.\".BR \-\-symlink = no
-.\"Normally when
-.\".B \-\-auto
-.\"causes
-.\".I mdadm
-.\"to create devices in
-.\".B /dev/md/
-.\"it will also create symlinks from
-.\".B /dev/
-.\"with names starting with
-.\".B md
-.\"or
-.\".BR md_ .
-.\"Use
-.\".B \-\-symlink=no
-.\"to suppress this, or
-.\".B \-\-symlink=yes
-.\"to enforce this even if it is suppressing
-.\".IR mdadm.conf .
-.\"
-.XX
-
.TP
.BR \-a ", " "\-\-add"
This option can be used in Grow mode in two cases.