.B * prefer\fR - component preferred for read/write in a mirrored file
.RE
.RS
-.B * stale\fR - component has outdated data in a mirrored file. Once a
-component is marked
+.B * stale\fR - component has outdated data in a mirrored file. This flag is
+not allowed to be set on a component of the last non-stale mirror.
+Once a component is marked
.BR stale ,
it isn't permitted to clear this flag directly. \fBlfs-mirror-resync\fR(1)
is required to clear the flag.
component is allocated between them, its layout repeats the first component
layout but initialized on different OSTs so that the full OSTs are avoided.
It is allocated and immediately extended to [192MiB, 256MiB), the following
-extension component is shortended again.
+extension component is shortened again.
.RE
.TP
.B lfs setstripe -E 1G -z 64M -E 100G -z 256M -E -1 -z 1G /mnt/lustre/file1