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man: lvcreate: try to be clearer about -W|--wipesignatures

There was still some confusion report about -W|--wipesignatures
lvcreate option so try to be even clearer. Hopefully, the last edit
here.
This commit is contained in:
Peter Rajnoha 2016-07-12 15:20:12 +02:00
parent 957480f4b9
commit d5be748341

View File

@ -720,16 +720,17 @@ device sizes (GiB), thin provisioning should be used for this case.
.BR \-W | \-\-wipesignatures
.RB { y | n }
.br
Controls wiping of detected signatures on newly created Logical Volume.
If this option is not specified, then by default signature wiping is done
each time the zeroing (
.BR \-Z | \-\-zero
) is done. This default behaviour
Controls detection and subsequent wiping of signatures on newly created
Logical Volume. There's a prompt for each signature detected to confirm
its wiping (unless \fB--yes\fP is used where LVM assumes 'yes' answer
for each prompt automatically). If this option is not specified, then by
default \fB-W\fP | \fB--wipesignatures y\fP is assumed each time the
zeroing is done (\fB\-Z\fP | \fB\-\-zero y\fP). This default behaviour
can be controlled by \fB\%allocation/wipe_signatures_when_zeroing_new_lvs\fP
setting found in
.BR lvm.conf (5).
.br
If blkid wiping is used \fBallocation/use_blkid_wiping\fP setting in
If blkid wiping is used (\fBallocation/use_blkid_wiping\fP setting in
.BR lvm.conf (5))
and LVM2 is compiled with blkid wiping support, then \fBblkid\fP(8) library is used
to detect the signatures (use \fBblkid \-k\fP command to list the signatures that are recognized).