[lvm-devel] master - man lvmraid: improve text layout
David Teigland
teigland at sourceware.org
Tue Apr 11 15:55:42 UTC 2017
Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=e0c169f8b7f214100ad11c68b1cab799e8adaaed
Commit: e0c169f8b7f214100ad11c68b1cab799e8adaaed
Parent: 2fd9ae070351dd2682d42aad3df5c9acec195bc0
Author: David Teigland <teigland at redhat.com>
AuthorDate: Tue Apr 11 10:55:02 2017 -0500
Committer: David Teigland <teigland at redhat.com>
CommitterDate: Tue Apr 11 10:55:02 2017 -0500
man lvmraid: improve text layout
---
man/lvmraid.7_main | 64 +++++++++++++++++++++++++++++++++------------------
1 files changed, 41 insertions(+), 23 deletions(-)
diff --git a/man/lvmraid.7_main b/man/lvmraid.7_main
index d000687..99218a5 100644
--- a/man/lvmraid.7_main
+++ b/man/lvmraid.7_main
@@ -520,6 +520,7 @@ lvs -a -o name,segtype,devices
[lvr6_rmeta_3] linear /dev/sdd(...)
[lvr6_rmeta_4] linear /dev/sde(...)
[lvr6_rmeta_5] linear /dev/sdf(...)
+.fi
.B raid10
.br
@@ -905,6 +906,8 @@ between raid4 and raid5.
between raid4/raid5 and raid6.
.IP \(bu 3
between striped/raid0 and raid10.
+.IP \(bu 3
+between striped and raid4.
.SS Examples
@@ -935,8 +938,6 @@ between striped/raid0 and raid10.
[lv_mimage_0] linear 100.00g
[lv_mimage_1] linear 100.00g
[lv_mlog] linear 3.00m
-.IP \(bu 3
-between striped and raid4.
.SS Examples
@@ -1123,21 +1124,27 @@ For performance reasons the raid6_nr RaidLV can be restriped.
Convert it from 3-way striped to 5-way-striped.
.nf
-# lvconvert --stripes 5 -y vg/lv
+# lvconvert --stripes 5 vg/lv
Using default stripesize 64.00 KiB.
- WARNING: Adding stripes to active logical volume vg/lv will grow it from 99 to 165 extents!
- Run "lvresize -l99 vg/lv" to shrink it or use the additional capacity.
+ WARNING: Adding stripes to active logical volume vg/lv will \
+ grow it from 99 to 165 extents!
+ Run "lvresize -l99 vg/lv" to shrink it or use the additional \
+ capacity.
Logical volume vg/lv successfully converted.
# lvs
- LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
+ LV VG Attr LSize Cpy%Sync
root fedora -wi-ao---- 15.00g
swap fedora -wi-ao---- 3.99g
- lv vg rwi-a-r-s- 652.00m 52.94
+ lv vg rwi-a-r-s- 652.00m 52.94
# lvs -a -o lv_name,attr,segtype,seg_pe_ranges,dataoffset vg
LV Attr Type PE Ranges DOff
- lv rwi-a-r--- raid6_nr lv_rimage_0:0-33 lv_rimage_1:0-33 lv_rimage_2:0-33 ... lv_rimage_5:0-33 lv_rimage_6:0-33 0
+ lv rwi-a-r--- raid6_nr lv_rimage_0:0-33 \
+ lv_rimage_1:0-33 \
+ lv_rimage_2:0-33 ... \
+ lv_rimage_5:0-33 \
+ lv_rimage_6:0-33 0
[lv_rimage_0] iwi-aor--- linear /dev/sda:0-32 0
[lv_rimage_0] iwi-aor--- linear /dev/sda:34-34
[lv_rimage_1] iwi-aor--- linear /dev/sdaa:0-32 0
@@ -1163,28 +1170,35 @@ The force option needs to be used, because removing stripes
(i.e. image SubLVs) from a RaidLV will shrink its size.
.nf
-# lvconvert --stripes 4 --force -y vg/lv
+# lvconvert --stripes 4 vg/lv
Using default stripesize 64.00 KiB.
- WARNING: Removing stripes from active logical volume vg/lv will shrink it from 660.00 MiB to 528.00 MiB!
+ WARNING: Removing stripes from active logical volume vg/lv will \
+ shrink it from 660.00 MiB to 528.00 MiB!
THIS MAY DESTROY (PARTS OF) YOUR DATA!
- If that leaves the logical volume larger than 206 extents due to stripe rounding,
+ If that leaves the logical volume larger than 206 extents due \
+ to stripe rounding,
you may want to grow the content afterwards (filesystem etc.)
- WARNING: too remove freed stripes after the conversion has finished, you have to run "lvconvert --stripes 4 vg/lv"
+ WARNING: too remove freed stripes after the conversion has finished,\
+ you have to run "lvconvert --stripes 4 vg/lv"
Logical volume vg/lv successfully converted.
# lvs -a -o lv_name,attr,segtype,seg_pe_ranges,dataoffset vg
- LV Attr Type PE Ranges DOff
- lv rwi-a-r-s- raid6_nr lv_rimage_0:0-33 lv_rimage_1:0-33 lv_rimage_2:0-33 ... lv_rimage_5:0-33 lv_rimage_6:0-33 0
- [lv_rimage_0] Iwi-aor--- linear /dev/sda:0-32 0
+ LV Attr Type PE Ranges DOff
+ lv rwi-a-r-s- raid6_nr lv_rimage_0:0-33 \
+ lv_rimage_1:0-33 \
+ lv_rimage_2:0-33 ... \
+ lv_rimage_5:0-33
+ lv_rimage_6:0-33 0
+ [lv_rimage_0] Iwi-aor--- linear /dev/sda:0-32 0
[lv_rimage_0] Iwi-aor--- linear /dev/sda:34-34
- [lv_rimage_1] Iwi-aor--- linear /dev/sdaa:0-32 0
+ [lv_rimage_1] Iwi-aor--- linear /dev/sdaa:0-32 0
[lv_rimage_1] Iwi-aor--- linear /dev/sdaa:34-34
- [lv_rimage_2] Iwi-aor--- linear /dev/sdab:0-32 0
+ [lv_rimage_2] Iwi-aor--- linear /dev/sdab:0-32 0
[lv_rimage_2] Iwi-aor--- linear /dev/sdab:34-34
- [lv_rimage_3] Iwi-aor--- linear /dev/sdac:1-34 0
- [lv_rimage_4] Iwi-aor--- linear /dev/sdad:1-34 0
- [lv_rimage_5] Iwi-aor--- linear /dev/sdae:1-34 0
- [lv_rimage_6] Iwi-aor-R- linear /dev/sdaf:1-34 0
+ [lv_rimage_3] Iwi-aor--- linear /dev/sdac:1-34 0
+ [lv_rimage_4] Iwi-aor--- linear /dev/sdad:1-34 0
+ [lv_rimage_5] Iwi-aor--- linear /dev/sdae:1-34 0
+ [lv_rimage_6] Iwi-aor-R- linear /dev/sdaf:1-34 0
[lv_rmeta_0] ewi-aor--- linear /dev/sda:33-33
[lv_rmeta_1] ewi-aor--- linear /dev/sdaa:33-33
[lv_rmeta_2] ewi-aor--- linear /dev/sdab:33-33
@@ -1199,8 +1213,12 @@ The 'R' in the same column of the attribute field shows the freed image Sub LVs
.nf
# lvs -o lv_name,attr,segtype,seg_pe_ranges,dataoffset vg
- LV Attr Type PE Ranges DOff
- lv rwi-a-r-R- raid6_nr lv_rimage_0:0-33 lv_rimage_1:0-33 lv_rimage_2:0-33 ... lv_rimage_5:0-33 lv_rimage_6:0-33 8192
+ LV Attr Type PE Ranges DOff
+ lv rwi-a-r-R- raid6_nr lv_rimage_0:0-33 \
+ lv_rimage_1:0-33 \
+ lv_rimage_2:0-33 ... \
+ lv_rimage_5:0-33
+ lv_rimage_6:0-33 8192
.fi
Now that the reshape is finished the 'R' atribute on the RaidLV shows images can be removed.
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