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man lvmraid: comment out unfinished features

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David Teigland 2016-09-06 15:13:59 -05:00
parent ff3f5fa179
commit e1f4fc22d2
1 changed files with 26 additions and 16 deletions
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man/lvmraid.7.in
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@ -906,7 +906,21 @@ between striped and raid4.
[lv_rmeta_1] linear 3.00m [lv_rmeta_1] linear 3.00m
.fi .fi
3. Converting an LV from \fBstriped\fP (with 4 stripes) to \fBraid6_nc\fP. 3. Converting an LV from \fBlinear\fP to \fBraid1\fP (with 3 images).
.nf
Start with a linear LV:
# lvcreate -L1G -n my_lv vg
Convert the linear LV to raid1 with three images
(original linear image plus 2 mirror images):
# lvconvert --type raid1 --mirrors 2 vg/my_lv
.fi
.ig
4. Converting an LV from \fBstriped\fP (with 4 stripes) to \fBraid6_nc\fP.
.nf .nf
Start with a striped LV: Start with a striped LV:
@ -940,19 +954,7 @@ existing stripe devices. It then creates 2 additional MetaLV/DataLV pairs
If rotating data/parity is required, such as with raid6_nr, it must be If rotating data/parity is required, such as with raid6_nr, it must be
done by reshaping (see below). done by reshaping (see below).
..
4. Converting an LV from \fBlinear\fP to \fBraid1\fP (with 3 images).
.nf
Start with a linear LV:
# lvcreate -L1G -n my_lv vg
Convert the linear LV to raid1 with three images
(original linear image plus 2 mirror images):
# lvconvert --type raid1 --mirrors 2 vg/my_lv
.fi
.SH RAID Reshaping .SH RAID Reshaping
@ -973,6 +975,9 @@ partially updated and corrupted. Instead, an existing stripe is quiesced,
read, changed in layout, and the new stripe written to free space. Once read, changed in layout, and the new stripe written to free space. Once
that is done, the new stripe is unquiesced and used.) that is done, the new stripe is unquiesced and used.)
(The reshaping features are planned for a future release.)
.ig
.SS Examples .SS Examples
1. Converting raid6_n_6 to raid6_nr with rotating data/parity. 1. Converting raid6_n_6 to raid6_nr with rotating data/parity.
@ -1052,7 +1057,7 @@ FIXME: include -o devices or seg_pe_ranges above also?
All segments with PE ranges '33-33' provide the out-of-place reshape space. All segments with PE ranges '33-33' provide the out-of-place reshape space.
The dataoffset column shows that the data was moved from initial offset 0 to The dataoffset column shows that the data was moved from initial offset 0 to
2048 sectors on each component DataLV. 2048 sectors on each component DataLV.
..
.SH RAID5 Variants .SH RAID5 Variants
@ -1088,6 +1093,7 @@ RAID5 right asymmetric
\[bu] \[bu]
Rotating parity 0 with data continuation Rotating parity 0 with data continuation
.ig
raid5_n raid5_n
.br .br
\[bu] \[bu]
@ -1099,6 +1105,7 @@ Same layout as raid4 with a dedicated parity N with striped data.
\[bu] \[bu]
Used for Used for
.B RAID Takeover .B RAID Takeover
..
.SH RAID6 Variants .SH RAID6 Variants
@ -1137,6 +1144,7 @@ RAID6 N continue
\[bu] \[bu]
Rotating parity N with data continuation Rotating parity N with data continuation
.ig
raid6_n_6 raid6_n_6
.br .br
\[bu] \[bu]
@ -1196,9 +1204,10 @@ Same as raid5_ra for N-1 disks with fixed Q-Syndrome N
\[bu] \[bu]
Used for Used for
.B RAID Takeover .B RAID Takeover
..
.ig
.SH RAID Duplication .SH RAID Duplication
RAID LV conversion (takeover or reshaping) can be done out\-of\-place by RAID LV conversion (takeover or reshaping) can be done out\-of\-place by
@ -1294,6 +1303,7 @@ FIXME: include how splitmirrors can be used.
.SH RAID1E .SH RAID1E
TODO TODO
..
.SH History .SH History