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Update man section describing convert command.

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Fixes #414.
This commit is contained in:
Ondrej Kozina
2018-10-23 13:37:35 +02:00
committed by Milan Broz
parent 58ad7bae48
commit bb29c5b322
1 changed files with 7 additions and 2 deletions
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9
man/cryptsetup.8
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@@ -487,10 +487,15 @@ to standard output.
.PP
\fIconvert\fR <device> \-\-type <format>
.IP
Converts the device between LUKS and LUKS2 format (if possible).
The conversion will not be performed if there is an additional LUKS2 feature or LUKS has
Converts the device between LUKS1 and LUKS2 format (if possible).
The conversion will not be performed if there is an additional LUKS2 feature or LUKS1 has
unsupported header size.
Conversion (both directions) must be performed on inactive device. There must not be active
dm-crypt mapping established for LUKS header requested for conversion.
\fB\-\-type\fR option is mandatory with following accepted values: \fIluks1\fR or \fIluks2\fR.
\fBWARNING:\fR The \fIconvert\fR action can destroy the LUKS header in the case of a crash
during conversion or if a media error occurs.
Always create a header backup before performing this operation!