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Document the -X and -T options to 'zpool import'

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These options have existed for a long time but have historically
been undocumented because they are not guaranteed to be safe.  They
should only be used as a last resort when attempting to recover a
damaged pool.

Signed-off-by: Turbo Fredriksson <turbo@bayour.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1130
This commit is contained in:
Turbo Fredriksson 2014-06-06 20:58:58 +02:00 committed by Brian Behlendorf
parent 27b293be8a
commit 21b446a79e
1 changed files with 48 additions and 2 deletions
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50
man/man8/zpool.8
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@ -78,13 +78,13 @@ zpool \- configures ZFS storage pools
.LP
.nf
\fBzpool import\fR [\fB-o \fImntopts\fR\fR] [\fB-o\fR \fIproperty=value\fR] ... [\fB-d\fR \fIdir\fR | \fB-c\fR \fIcachefile\fR]
[\fB-D\fR] [\fB-f\fR] [\fB-m\fR] [\fB-N\fR] [\fB-R\fR \fIroot\fR] [\fB-F\fR [\fB-n\fR]] \fB-a\fR
[\fB-D\fR] [\fB-f\fR] [\fB-m\fR] [\fB-N\fR] [\fB-R\fR \fIroot\fR] [\fB-F\fR [\fB-n\fR] [\fB-X\fR\] [\fB-T\fR\]] \fB-a\fR
.fi
.LP
.nf
\fBzpool import\fR [\fB-o \fImntopts\fR\fR] [\fB-o\fR \fIproperty=value\fR] ... [\fB-d\fR \fIdir\fR | \fB-c\fR \fIcachefile\fR]
[\fB-D\fR] [\fB-f\fR] [\fB-m\fR] [\fB-R\fR \fIroot\fR] [\fB-F\fR [\fB-n\fR]] [\fB-t\fR]] \fIpool\fR |\fIid\fR [\fInewpool\fR]
[\fB-D\fR] [\fB-f\fR] [\fB-m\fR] [\fB-R\fR \fIroot\fR] [\fB-F\fR [\fB-n\fR] [\fB-X\fR] [\fB-T\fR\]] [\fB-t\fR]] \fIpool\fR |\fIid\fR [\fInewpool\fR]
.fi
.LP
@ -1296,6 +1296,28 @@ Import the pool without mounting any file systems.
Used with the \fB-F\fR recovery option. Determines whether a non-importable pool can be made importable again, but does not actually perform the pool recovery. For more details about pool recovery mode, see the \fB-F\fR option, above.
.RE
.sp
.ne 2
.mk
.na
\fB\fB-X\fR\fR
.ad
.RS 21n
Used with the \fB-F\fR recovery option. Determines whether extreme measures to find a valid txg should take place. This allows the pool to be rolled back to a txg which is no longer guaranteed to be consistent. Pools imported at an inconsistent txg may contain uncorrectable checksum errors. For more details about pool recovery mode, see the \fB-F\fR option, above.
\fBWARNING\fR: This option can be extremely hazardous to the health of your pool and should only be used as a last resort.
.RE
.sp
.ne 2
.mk
.na
\fB\fB-T\fR\fR
.ad
.RS 21n
Specify the txg to use for rollback. Implies \fB-FX\fR. For more details about pool recovery mode, see the \fB-X\fR option, above.
\fBWARNING\fR: This option can be extremely hazardous to the health of your pool and should only be used as a last resort.
.RE
.RE
.sp
@ -1408,6 +1430,30 @@ Sets the "\fBcachefile\fR" property to "\fBnone\fR" and the "\fIaltroot\fR" prop
Used with the \fB-F\fR recovery option. Determines whether a non-importable pool can be made importable again, but does not actually perform the pool recovery. For more details about pool recovery mode, see the \fB-F\fR option, above.
.RE
.sp
.ne 2
.mk
.na
\fB\fB-X\fR\fR
.ad
.sp .6
.RS 4n
Used with the \fB-F\fR recovery option. Determines whether extreme measures to find a valid txg should take place. This allows the pool to be rolled back to a txg which is no longer guaranteed to be consistent. Pools imported at an inconsistent txg may contain uncorrectable checksum errors. For more details about pool recovery mode, see the \fB-F\fR option, above.
\fBWARNING\fR: This option can be extremely hazardous to the health of your pool and should only be used as a last resort.
.RE
.sp
.ne 2
.mk
.na
\fB\fB-T\fR\fR
.ad
.sp .6
.RS 4n
Specify the txg to use for rollback. Implies \fB-FX\fR. For more details about pool recovery mode, see the \fB-X\fR option, above.
\fBWARNING\fR: This option can be extremely hazardous to the health of your pool and should only be used as a last resort.
.RE
.sp
.ne 2
.mk