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man lvmraid: wrap long lines

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Break lines in examples to keep line length under 80.
This commit is contained in:
David Teigland 2017-04-11 15:23:48 -05:00
parent 69c3543855
commit c7ecf379ab
1 changed files with 165 additions and 119 deletions
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284
man/lvmraid.7_main
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@ -357,9 +357,9 @@ Also, if mismatches were found, the lvs attr field will display the letter
"m" (mismatch) in the 9th position, e.g.
.nf
# lvs -o name,vgname,segtype,attr vg/lvol0
LV VG Type Attr
lvol0 vg raid1 Rwi-a-r-m-
# lvs -o name,vgname,segtype,attr vg/lv
LV VG Type Attr
lv vg raid1 Rwi-a-r-m-
.fi
@ -427,9 +427,9 @@ Each rimage SubLV holds a portion of LV data. No parity is used.
No RAID metadata is used.
.nf
lvcreate --type raid0 --stripes 2 --name lvr0 ...
# lvcreate --type raid0 --stripes 2 --name lvr0 ...
lvs -a -o name,segtype,devices
# lvs -a -o name,segtype,devices
lvr0 raid0 lvr0_rimage_0(0),lvr0_rimage_1(0)
[lvr0_rimage_0] linear /dev/sda(...)
[lvr0_rimage_1] linear /dev/sdb(...)
@ -441,9 +441,9 @@ Each rimage SubLV holds a complete copy of LV data. No parity is used.
Each rmeta SubLV holds RAID metadata.
.nf
lvcreate --type raid1 --mirrors 1 --name lvr1 ...
# lvcreate --type raid1 --mirrors 1 --name lvr1 ...
lvs -a -o name,segtype,devices
# lvs -a -o name,segtype,devices
lvr1 raid1 lvr1_rimage_0(0),lvr1_rimage_1(0)
[lvr1_rimage_0] linear /dev/sda(...)
[lvr1_rimage_1] linear /dev/sdb(...)
@ -457,9 +457,9 @@ At least three rimage SubLVs each hold a portion of LV data and one rimage SubLV
holds parity. Each rmeta SubLV holds RAID metadata.
.nf
lvcreate --type raid4 --stripes 2 --name lvr4 ...
# lvcreate --type raid4 --stripes 2 --name lvr4 ...
lvs -a -o name,segtype,devices
# lvs -a -o name,segtype,devices
lvr4 raid4 lvr4_rimage_0(0),\\
lvr4_rimage_1(0),\\
lvr4_rimage_2(0)
@ -478,9 +478,9 @@ At least three rimage SubLVs each typcially hold a portion of LV data and parity
Each rmeta SubLV holds RAID metadata.
.nf
lvcreate --type raid5 --stripes 2 --name lvr5 ...
# lvcreate --type raid5 --stripes 2 --name lvr5 ...
lvs -a -o name,segtype,devices
# lvs -a -o name,segtype,devices
lvr5 raid5 lvr5_rimage_0(0),\\
lvr5_rimage_1(0),\\
lvr5_rimage_2(0)
@ -499,9 +499,9 @@ At least five rimage SubLVs each typically hold a portion of LV data and parity.
Each rmeta SubLV holds RAID metadata.
.nf
lvcreate --type raid6 --stripes 3 --name lvr6
# lvcreate --type raid6 --stripes 3 --name lvr6
lvs -a -o name,segtype,devices
# lvs -a -o name,segtype,devices
lvr6 raid6 lvr6_rimage_0(0),\\
lvr6_rimage_1(0),\\
lvr6_rimage_2(0),\\
@ -528,9 +528,9 @@ At least four rimage SubLVs each hold a portion of LV data. No parity is used.
Each rmeta SubLV holds RAID metadata.
.nf
lvcreate --type raid10 --stripes 2 --mirrors 1 --name lvr10
# lvcreate --type raid10 --stripes 2 --mirrors 1 --name lvr10
lvs -a -o name,segtype,devices
# lvs -a -o name,segtype,devices
lvr10 raid10 lvr10_rimage_0(0),\\
lvr10_rimage_1(0),\\
lvr10_rimage_2(0),\\
@ -689,14 +689,14 @@ the lvchange command to refresh an LV:
.nf
# lvs -o name,vgname,segtype,attr,size vg
LV VG Type Attr LSize
raid1 vg raid1 Rwi-a-r-r- 100.00g
LV VG Type Attr LSize
lv vg raid1 Rwi-a-r-r- 100.00g
# lvchange --refresh vg/raid1
# lvchange --refresh vg/lv
# lvs -o name,vgname,segtype,attr,size vg
LV VG Type Attr LSize
raid1 vg raid1 Rwi-a-r--- 100.00g
LV VG Type Attr LSize
lv vg raid1 Rwi-a-r--- 100.00g
.fi
.SS Automatic repair
@ -1133,29 +1133,27 @@ Convert it from 3-way striped to 5-way-striped.
capacity.
Logical volume vg/lv successfully converted.
# lvs
# lvs vg/lv
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
# lvs -a -o lv_name,attr,segtype,seg_pe_ranges,dataoffset vg
LV Attr Type PE Ranges DOff
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_rimage_0] iwi-aor--- linear /dev/sda:0-32 0
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--- 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--- 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
@ -1184,22 +1182,22 @@ The force option needs to be used, because removing stripes
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 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_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
@ -1214,41 +1212,48 @@ 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 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_rimage_6:0-33 8192
.fi
Now that the reshape is finished the 'R' atribute on the RaidLV shows images can be removed.
.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
This is achieved by repeating the command ("lvconvert --stripes 4 vg/lv" would be sufficient).
.nf
# lvconvert --stripes 4 --force -y vg/lv
# lvconvert --stripes 4 vg/lv
Using default stripesize 64.00 KiB.
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--- raid6_nr lv_rimage_0:0-33 lv_rimage_1:0-33 lv_rimage_2:0-33 ... lv_rimage_5:0-33 8192
[lv_rimage_0] iwi-aor--- linear /dev/sda:0-32 8192
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 8192
[lv_rimage_0] iwi-aor--- linear /dev/sda:0-32 8192
[lv_rimage_0] iwi-aor--- linear /dev/sda:34-34
[lv_rimage_1] iwi-aor--- linear /dev/sdaa:0-32 8192
[lv_rimage_1] iwi-aor--- linear /dev/sdaa:0-32 8192
[lv_rimage_1] iwi-aor--- linear /dev/sdaa:34-34
[lv_rimage_2] iwi-aor--- linear /dev/sdab:0-32 8192
[lv_rimage_2] iwi-aor--- linear /dev/sdab:0-32 8192
[lv_rimage_2] iwi-aor--- linear /dev/sdab:34-34
[lv_rimage_3] iwi-aor--- linear /dev/sdac:1-34 8192
[lv_rimage_4] iwi-aor--- linear /dev/sdad:1-34 8192
[lv_rimage_5] iwi-aor--- linear /dev/sdae:1-34 8192
[lv_rimage_3] iwi-aor--- linear /dev/sdac:1-34 8192
[lv_rimage_4] iwi-aor--- linear /dev/sdad:1-34 8192
[lv_rimage_5] iwi-aor--- linear /dev/sdae:1-34 8192
[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
@ -1319,54 +1324,72 @@ In case the RaidLV should be converted to striped:
raid6_ra_6
raid6_rs_6
raid6_n_6
.fi
A direct conversion isn't possible thus the command informed about the possible ones.
raid6_n_6 is suitable to convert to striped so convert to it first (this is a reshape
changing the raid6 layout from raid6_nr to raid6_n_6).
.nf
# lvconvert --type raid6_n_6
Using default stripesize 64.00 KiB.
Converting raid6_nr LV vg/lv to raid6_n_6.
Are you sure you want to convert raid6_nr LV vg/lv? [y/n]: y
Logical volume vg/lv successfully converted.
.fi
Wait for the reshape to finish.
# lvconvert -y --type striped vg/lv
.nf
# lvconvert --type striped vg/lv
Logical volume vg/lv successfully converted.
[root@vm46 ~]# lvs -o lv_name,attr,segtype,seg_pe_ranges,dataoffset vg
LV Attr Type PE Ranges DOff
lv -wi-a----- striped /dev/sda:2-32 /dev/sdaa:2-32 /dev/sdab:2-32 /dev/sdac:3-33
lv -wi-a----- striped /dev/sda:34-35 /dev/sdaa:34-35 /dev/sdab:34-35 /dev/sdac:34-35
# lvs -o lv_name,attr,segtype,seg_pe_ranges,dataoffset vg
LV Attr Type PE Ranges DOff
lv -wi-a----- striped /dev/sda:2-32 \\
/dev/sdaa:2-32 \\
/dev/sdab:2-32 \\
/dev/sdac:3-33
lv -wi-a----- striped /dev/sda:34-35 \\
/dev/sdaa:34-35 \\
/dev/sdab:34-35 \\
/dev/sdac:34-35
.fi
From striped we can convert to raid10
.nf
# lvconvert -y --type raid10 vg/lv
# lvconvert --type raid10 vg/lv
Using default stripesize 64.00 KiB.
Logical volume vg/lv successfully converted.
# lvs -o lv_name,attr,segtype,seg_pe_ranges,dataoffset vg
LV Attr Type PE Ranges DOff
lv rwi-a-r--- raid10 lv_rimage_0:0-32 lv_rimage_4:0-32 lv_rimage_1:0-32 ... lv_rimage_3:0-32 lv_rimage_7:0-32 0
LV Attr Type PE Ranges DOff
lv rwi-a-r--- raid10 lv_rimage_0:0-32 \\
lv_rimage_4:0-32 \\
lv_rimage_1:0-32 ... \\
lv_rimage_3:0-32 \\
lv_rimage_7:0-32 0
# lvs -a -o lv_name,attr,segtype,seg_pe_ranges,dataoffset vg
WARNING: Cannot find matching striped segment for vg/lv_rimage_3.
LV Attr Type PE Ranges DOff
lv rwi-a-r--- raid10 lv_rimage_0:0-32 lv_rimage_4:0-32 lv_rimage_1:0-32 ... lv_rimage_3:0-32 lv_rimage_7:0-32 0
[lv_rimage_0] iwi-aor--- linear /dev/sda:2-32 0
LV Attr Type PE Ranges DOff
lv rwi-a-r--- raid10 lv_rimage_0:0-32 \\
lv_rimage_4:0-32 \\
lv_rimage_1:0-32 ... \\
lv_rimage_3:0-32 \\
lv_rimage_7:0-32 0
[lv_rimage_0] iwi-aor--- linear /dev/sda:2-32 0
[lv_rimage_0] iwi-aor--- linear /dev/sda:34-35
[lv_rimage_1] iwi-aor--- linear /dev/sdaa:2-32 0
[lv_rimage_1] iwi-aor--- linear /dev/sdaa:2-32 0
[lv_rimage_1] iwi-aor--- linear /dev/sdaa:34-35
[lv_rimage_2] iwi-aor--- linear /dev/sdab:2-32 0
[lv_rimage_2] iwi-aor--- linear /dev/sdab:2-32 0
[lv_rimage_2] iwi-aor--- linear /dev/sdab:34-35
[lv_rimage_3] iwi-XXr--- linear /dev/sdac:3-35 0
[lv_rimage_4] iwi-aor--- linear /dev/sdad:1-33 0
[lv_rimage_5] iwi-aor--- linear /dev/sdae:1-33 0
[lv_rimage_6] iwi-aor--- linear /dev/sdaf:1-33 0
[lv_rimage_7] iwi-aor--- linear /dev/sdag:1-33 0
[lv_rimage_3] iwi-XXr--- linear /dev/sdac:3-35 0
[lv_rimage_4] iwi-aor--- linear /dev/sdad:1-33 0
[lv_rimage_5] iwi-aor--- linear /dev/sdae:1-33 0
[lv_rimage_6] iwi-aor--- linear /dev/sdaf:1-33 0
[lv_rimage_7] iwi-aor--- linear /dev/sdag:1-33 0
[lv_rmeta_0] ewi-aor--- linear /dev/sda:0-0
[lv_rmeta_1] ewi-aor--- linear /dev/sdaa:0-0
[lv_rmeta_2] ewi-aor--- linear /dev/sdab:0-0
@ -1387,24 +1410,27 @@ by restripe (4 steps).
We start with the linear LV.
.nf
# lvs -aoname,attr,size,segtype,syncpercent,datastripes,stripesize,reshapelenle,devices vg
LV Attr LSize Type Cpy%Sync #DStr Stripe RSize Devices
lv -wi-a----- 128.00m linear 1 0 /dev/sda(0)
# lvs -a -o name,size,segtype,syncpercent,datastripes,\\
stripesize,reshapelenle,devices vg
LV LSize Type Cpy%Sync #DStr Stripe RSize Devices
lv 128.00m linear 1 0 /dev/sda(0)
.fi
Then convert it to a 2-way raid1.
.nf
# lvconvert -m1 vg/lv
# lvconvert --mirrors 1 vg/lv
Logical volume vg/lv successfully converted.
# lvs -aoname,attr,size,segtype,syncpercent,datastripes,stripesize,reshapelenle,devices vg
LV Attr LSize Type Cpy%Sync #DStr Stripe RSize Devices
lv rwi-a-r--- 128.00m raid1 100.00 2 0 lv_rimage_0(0),lv_rimage_1(0)
[lv_rimage_0] iwi-aor--- 128.00m linear 1 0 /dev/sda(0)
[lv_rimage_1] iwi-aor--- 128.00m linear 1 0 /dev/sdhx(1)
[lv_rmeta_0] ewi-aor--- 4.00m linear 1 0 /dev/sda(32)
[lv_rmeta_1] ewi-aor--- 4.00m linear 1 0 /dev/sdhx(0)
# lvs -a -o name,size,segtype,datastripes,\\
stripesize,reshapelenle,devices vg
LV LSize Type #DStr Stripe RSize Devices
lv 128.00m raid1 2 0 lv_rimage_0(0),\\
lv_rimage_1(0)
[lv_rimage_0] 128.00m linear 1 0 /dev/sda(0)
[lv_rimage_1] 128.00m linear 1 0 /dev/sdhx(1)
[lv_rmeta_0] 4.00m linear 1 0 /dev/sda(32)
[lv_rmeta_1] 4.00m linear 1 0 /dev/sdhx(0)
.fi
Once the raid1 LV is fully synchronized we convert it to raid5_n (only 2-way raid1
@ -1413,17 +1439,19 @@ SubLVs at the end and can be converted to striped directly without any additiona
conversion.
.nf
# lvconvert -y --ty raid5_n vg/lv
# lvconvert --type raid5_n vg/lv
Using default stripesize 64.00 KiB.
Logical volume vg/lv successfully converted.
# lvs -aoname,attr,size,segtype,syncpercent,datastripes,stripesize,reshapelenle,devices vg
LV Attr LSize Type Cpy%Sync #DStr Stripe RSize Devices
lv rwi-a-r--- 128.00m raid5_n 100.00 1 64.00k 0 lv_rimage_0(0),lv_rimage_1(0)
[lv_rimage_0] iwi-aor--- 128.00m linear 1 0 0 /dev/sda(0)
[lv_rimage_1] iwi-aor--- 128.00m linear 1 0 0 /dev/sdhx(1)
[lv_rmeta_0] ewi-aor--- 4.00m linear 1 0 /dev/sda(32)
[lv_rmeta_1] ewi-aor--- 4.00m linear 1 0 /dev/sdhx(0)
# lvs -a -o name,size,segtype,syncpercent,datastripes,\\
stripesize,reshapelenle,devices vg
LV LSize Type #DStr Stripe RSize Devices
lv 128.00m raid5_n 1 64.00k 0 lv_rimage_0(0),\\
lv_rimage_1(0)
[lv_rimage_0] 128.00m linear 1 0 0 /dev/sda(0)
[lv_rimage_1] 128.00m linear 1 0 0 /dev/sdhx(1)
[lv_rmeta_0] 4.00m linear 1 0 /dev/sda(32)
[lv_rmeta_1] 4.00m linear 1 0 /dev/sdhx(0)
.fi
Now we'll change the number of data stripes from 1 to 5 and request 128K stripe size
@ -1432,45 +1460,61 @@ to the one given). That additonal space can be used by e.g. growing any contain
or the LV can be reduced in size after the reshaping conversion has finished.
.nf
# lvconvert --yes --stripesize 128k --stripes 5 vg/lv
# lvconvert --stripesize 128k --stripes 5 vg/lv
Converting stripesize 64.00 KiB of raid5_n LV vg/lv to 128.00 KiB.
WARNING: Adding stripes to active logical volume vg/lv will grow it from 32 to 160 extents!
WARNING: Adding stripes to active logical volume vg/lv will grow \\
it from 32 to 160 extents!
Run "lvresize -l32 vg/lv" to shrink it or use the additional capacity.
Logical volume vg/lv successfully converted.
# lvs -aoname,attr,size,segtype,syncpercent,datastripes,stripesize,reshapelenle,devices vg
LV Attr LSize Type Cpy%Sync #DStr Stripe RSize Devices
lv rwi-a-r--- 640.00m raid5_n 100.00 5 128.00k 6 lv_rimage_0(0),lv_rimage_1(0),lv_rimage_2(0),lv_rimage_3(0),lv_rimage_4(0),lv_rimage_5(0)
[lv_rimage_0] iwi-aor--- 132.00m linear 1 0 1 /dev/sda(33)
[lv_rimage_0] iwi-aor--- 132.00m linear 1 0 /dev/sda(0)
[lv_rimage_1] iwi-aor--- 132.00m linear 1 0 1 /dev/sdhx(33)
[lv_rimage_1] iwi-aor--- 132.00m linear 1 0 /dev/sdhx(1)
[lv_rimage_2] iwi-aor--- 132.00m linear 1 0 1 /dev/sdhw(33)
[lv_rimage_2] iwi-aor--- 132.00m linear 1 0 /dev/sdhw(1)
[lv_rimage_3] iwi-aor--- 132.00m linear 1 0 1 /dev/sdhv(33)
[lv_rimage_3] iwi-aor--- 132.00m linear 1 0 /dev/sdhv(1)
[lv_rimage_4] iwi-aor--- 132.00m linear 1 0 1 /dev/sdhu(33)
[lv_rimage_4] iwi-aor--- 132.00m linear 1 0 /dev/sdhu(1)
[lv_rimage_5] iwi-aor--- 132.00m linear 1 0 1 /dev/sdht(33)
[lv_rimage_5] iwi-aor--- 132.00m linear 1 0 /dev/sdht(1)
[lv_rmeta_0] ewi-aor--- 4.00m linear 1 0 /dev/sda(32)
[lv_rmeta_1] ewi-aor--- 4.00m linear 1 0 /dev/sdhx(0)
[lv_rmeta_2] ewi-aor--- 4.00m linear 1 0 /dev/sdhw(0)
[lv_rmeta_3] ewi-aor--- 4.00m linear 1 0 /dev/sdhv(0)
[lv_rmeta_4] ewi-aor--- 4.00m linear 1 0 /dev/sdhu(0)
[lv_rmeta_5] ewi-aor--- 4.00m linear 1 0 /dev/sdht(0)
# lvs -a -o name,size,segtype,datastripes,\\
stripesize,reshapelenle,devices
LV LSize Type #DStr Stripe RSize Devices
lv 640.00m raid5_n 5 128.00k 6 lv_rimage_0(0),\\
lv_rimage_1(0),\\
lv_rimage_2(0),\\
lv_rimage_3(0),\\
lv_rimage_4(0),\\
lv_rimage_5(0)
[lv_rimage_0] 132.00m linear 1 0 1 /dev/sda(33)
[lv_rimage_0] 132.00m linear 1 0 /dev/sda(0)
[lv_rimage_1] 132.00m linear 1 0 1 /dev/sdhx(33)
[lv_rimage_1] 132.00m linear 1 0 /dev/sdhx(1)
[lv_rimage_2] 132.00m linear 1 0 1 /dev/sdhw(33)
[lv_rimage_2] 132.00m linear 1 0 /dev/sdhw(1)
[lv_rimage_3] 132.00m linear 1 0 1 /dev/sdhv(33)
[lv_rimage_3] 132.00m linear 1 0 /dev/sdhv(1)
[lv_rimage_4] 132.00m linear 1 0 1 /dev/sdhu(33)
[lv_rimage_4] 132.00m linear 1 0 /dev/sdhu(1)
[lv_rimage_5] 132.00m linear 1 0 1 /dev/sdht(33)
[lv_rimage_5] 132.00m linear 1 0 /dev/sdht(1)
[lv_rmeta_0] 4.00m linear 1 0 /dev/sda(32)
[lv_rmeta_1] 4.00m linear 1 0 /dev/sdhx(0)
[lv_rmeta_2] 4.00m linear 1 0 /dev/sdhw(0)
[lv_rmeta_3] 4.00m linear 1 0 /dev/sdhv(0)
[lv_rmeta_4] 4.00m linear 1 0 /dev/sdhu(0)
[lv_rmeta_5] 4.00m linear 1 0 /dev/sdht(0)
.fi
Once the conversion has finished we can can convert to striped.
.nf
[root@vm46 ~]# lvconvert -y --ty striped vg/lv
# lvconvert --type striped vg/lv
Logical volume vg/lv successfully converted.
[root@vm46 ~]# lvs -aoname,attr,size,segtype,syncpercent,datastripes,stripesize,reshapelenle,devices vg|sed 's/ *$//'
LV Attr LSize Type Cpy%Sync #DStr Stripe RSize Devices
lv -wi-a----- 640.00m striped 5 128.00k /dev/sda(33),/dev/sdhx(33),/dev/sdhw(33),/dev/sdhv(33),/dev/sdhu(33)
lv -wi-a----- 640.00m striped 5 128.00k /dev/sda(0),/dev/sdhx(1),/dev/sdhw(1),/dev/sdhv(1),/dev/sdhu(1)
# lvs -a -o name,size,segtype,datastripes,\\
stripesize,reshapelenle,devices vg
LV LSize Type #DStr Stripe RSize Devices
lv 640.00m striped 5 128.00k /dev/sda(33),\\
/dev/sdhx(33),\\
/dev/sdhw(33),\\
/dev/sdhv(33),\\
/dev/sdhu(33)
lv 640.00m striped 5 128.00k /dev/sda(0),\\
/dev/sdhx(1),\\
/dev/sdhw(1),\\
/dev/sdhv(1),\\
/dev/sdhu(1)
.fi
Reversing these steps will convert a given striped LV to linear.
@ -1527,6 +1571,7 @@ RAID5 parity n
.br
\[bu]
Dedicated parity device n used for striped/raid0 conversions
.br
\[bu]
Used for RAID Takeover
@ -1575,6 +1620,7 @@ RAID6 last parity devices
\[bu]
Fixed dedicated last devices (P-Syndrome N-1 and Q-Syndrome N)
with striped data used for striped/raid0 conversions
.br
\[bu]
Used for RAID Takeover