SlideShare a Scribd company logo

Linux lv ms step by step

Download as DOCX, PDF
S
sudakarman

The document outlines the steps to create an LVM logical volume on a Linux system. It begins by creating a new partition on /dev/sda and formatting it as an LVM physical volume. A volume group is then created using this physical volume. Finally, a logical volume is created within the volume group, formatted, and mounted. Attempts are made to extend the size of the logical volume but are unsuccessful due to size constraints.

Software
1 of 18
Download to read offline
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
LVMs STEP BY STEP [root@localhost ~]# fdisk /dev/sda WARNING:DOS-compatible mode isdeprecated.It'sstronglyrecommendedto switchoff the mode (command'c') andchange displayunitsto sectors(command'u'). Command (m for help):n Firstcylinder(1633-2610, default1633): Usingdefaultvalue 1633 Last cylinder,+cylindersor+size{K,M,G} (1633-2610, default2610): +50M Command (m for help):w The partitiontable hasbeenaltered! Callingioctl() tore-readpartitiontable. WARNING:Re-readingthe partitiontable failedwitherror16: Device orresource busy. The kernel still usesthe oldtable.The new table will be usedat the nextrebootor afteryourun partprobe(8) orkpartx(8) Syncingdisks. [root@localhost ~]# fdisk /dev/sda WARNING:DOS-compatible mode isdeprecated.It'sstronglyrecommendedto switchoff the mode (command'c') andchange displayunitsto sectors(command'u'). Command(mfor help):p Disk/dev/sda:21.5 GB, 21474836480 bytes 255 heads,63 sectors/track,2610 cylinders Units= cylindersof 16065 * 512 = 8225280 bytes Sectorsize (logical/physical):512 bytes/ 512 bytes
I/Osize (minimum/optimal):512 bytes/512 bytes Diskidentifier:0x00043f93 Device Boot Start End Blocks Id System /dev/sda1 * 1 26 204800 83 Linux Partition1 doesnotendon cylinderboundary. /dev/sda2 26 1301 10240000 83 Linux /dev/sda3 1301 1562 2097152 82 Linux swap/ Solaris /dev/sda4 1562 2610 8421849 5 Extended /dev/sda5 1562 1626 517837+ 83 Linux /dev/sda6 1627 1632 48163+ 83 Linux /dev/sda7 1633 1639 56196 83 Linux Command(mfor help):t Partitionnumber(1-7):7 Hex code (type L to listcodes):L (Listof Hex codes) 0 Empty 24 NECDOS 81 Minix / oldLin bf Solaris 1 FAT12 39 Plan9 82 Linux swap/ Soc1 DRDOS/sec(FAT- 2 XENIXroot 3c PartitionMagic 83 Linux c4 DRDOS/sec(FAT- 3 XENIXusr 40 Venix 80286 84 OS/2 hiddenC: c6 DRDOS/sec(FAT- 4 FAT16 <32M 41 PPCPRePBoot 85 Linux extended c7 Syrinx 5 Extended 42 SFS 86 NTFS volume setda Non-FSdata 6 FAT16 4d QNX4.x 87 NTFSvolume setdb CP/M/ CTOS/ . 7 HPFS/NTFS 4e QNX4.x 2nd part 88 Linux plaintextde Dell Utility 8 AIX 4f QNX4.x 3rd part 8e LinuxLVM df BootIt 9 AIX bootable 50 OnTrack DM 93 Amoeba e1 DOS access a OS/2 Boot Manag 51 OnTrack DM6 Aux 94 AmoebaBBT e3 DOS R/O
b W95 FAT32 52 CP/M 9f BSD/OS e4 SpeedStor c W95 FAT32 (LBA) 53 OnTrack DM6 Aux a0 IBMThinkpadhi eb BeOSfs e W95 FAT16 (LBA) 54 OnTrackDM6 a5 FreeBSD ee GPT f W95 Ext'd(LBA) 55 EZ-Drive a6 OpenBSD ef EFI (FAT-12/16/ 10 OPUS 56 GoldenBow a7 NeXTSTEP f0 Linux/PA-RISCb 11 HiddenFAT12 5c PriamEdisk a8 DarwinUFS f1 SpeedStor 12 Compaqdiagnost61 SpeedStor a9 NetBSD f4 SpeedStor 14 HiddenFAT16<3 63 GNU HURD or Sys ab Darwinboot f2 DOSsecondary 16 HiddenFAT16 64 Novell Netware af HFS/ HFS+ fb VMware VMFS 17 HiddenHPFS/NTF65 Novell Netware b7 BSDI fs fc VMware VMKCORE 18 ASTSmartSleep 70 DiskSecure Multb8 BSDI swap fd Linux raidauto 1b HiddenW95 FAT3 75 PC/IX bb Boot Wizardhidfe LANstep 1c HiddenW95 FAT3 80 Old Minix be Solarisboot ff BBT 1e HiddenW95 FAT1 Hex code (type L to list codes):8e Changedsystemtype of partition7to 8e (Linux LVM) Command(mfor help):w The partitiontable hasbeenaltered! Callingioctl() tore-readpartitiontable. WARNING:Re-readingthe partitiontable failedwitherror16: Device orresource busy. The kernel still usesthe oldtable.The new table will be usedat the nextrebootor afteryourun partprobe(8) orkpartx(8) Syncingdisks. [root@localhost ~]# partx -a /dev/sda BLKPG: Device orresource busy
error addingpartition1 BLKPG: Device orresource busy error addingpartition2 BLKPG: Device orresource busy error addingpartition3 BLKPG: Device orresource busy error addingpartition4 BLKPG: Device orresource busy error addingpartition5 BLKPG: Device orresource busy error addingpartition6 BLKPG: Device orresource busy error addingpartition7 [root@localhost ~]# cat /proc/partitions majorminor #blocks name 8 0 20971520 sda 8 1 204800 sda1 8 2 10240000 sda2 8 3 2097152 sda3 8 4 1 sda4 8 5 517837 sda5 8 6 48163 sda6 8 7 56196 sda7 [root@localhost ~]# pvcreate /dev/sda7 Physical volume"/dev/sda7"successfullycreated
[root@localhost ~]# vgcreate /dev/sda7 Please enteraphysical volume path Run`vgcreate --help'formore information. [root@localhost ~]# vgcreate /dev/sda Please enteraphysical volume path Run`vgcreate --help'formore information. [root@localhost ~]# vgcreate Aoc /dev/sda Device /dev/sdanotfound(orignoredbyfiltering). Unable toadd physical volume '/dev/sda'tovolume group'Aoc'. [root@localhost ~]# vgcreate aoc /dev/sda Device /dev/sdanotfound(orignoredbyfiltering). Unable toadd physical volume '/dev/sda'tovolume group'aoc'. [root@localhost ~]# vgcreate vg1 /dev/sda Device /dev/sdanotfound(orignoredbyfiltering). Unable toadd physical volume '/dev/sda'tovolume group'vg1'. [root@localhost ~]# vgdisplay Novolume groupsfound [root@localhost ~]# vgcreate aoc /dev/sda7 Volume group"aoc"successfullycreated [root@localhost ~]# vgdisplay --- Volume group --- VG Name aoc SystemID Format lvm2 MetadataAreas 1
MetadataSequence No 1 VG Access read/write VG Status resizable MAX LV 0 Cur LV 0 OpenLV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 52.00 MiB PE Size 4.00 MiB Total PE 13 AllocPE/ Size 0 / 0 Free PE / Size 13 / 52.00 MiB VG UUID WiiSuj-VtRD-3zES-YFse-yLwN-3YS9-vnCB2k [root@localhost ~]# blkid/dev/sda7 /dev/sda7:UUID="3h4r7d-1JO1-kmi5-RWwW-0hJ8-cNQw-oe7BS4"TYPE="LVM2_member" [root@localhost ~]# lvcreate -L 25M -nAoc1 aoc Roundingupsize tofull physical extent28.00 MiB Logical volume "Aoc1"created [root@localhost ~]# lvs LV VG Attr LSize OriginSnap% Move Log Copy% Convert Aoc1 aoc -wi-a- 28.00m [root@localhost ~]# mkfs.ext4 /dev/aoc/Aoc1 mke2fs1.41.12 (17-May-2010)
Filesystemlabel= OS type:Linux Blocksize=1024 (log=0) Fragmentsize=1024 (log=0) Stride=0blocks,Stripe width=0blocks 7168 inodes,28672 blocks 1433 blocks(5.00%) reservedforthe superuser Firstdata block=1 Maximumfilesystemblocks=29360128 4 blockgroups 8192 blockspergroup,8192 fragmentspergroup 1792 inodespergroup Superblockbackupsstoredonblocks: 8193, 24577 Writinginode tables:done Creatingjournal (1024 blocks):done Writingsuperblocksandfilesystemaccountinginformation:done Thisfilesystemwill be automaticallycheckedevery25 mountsor 180 days,whichevercomesfirst. Use tune2fs -cor -i to override. [root@localhost ~]# lvs LV VG Attr LSize OriginSnap% Move Log Copy% Convert Aoc1 aoc -wi-a- 28.00m [root@localhost ~]# df -hT Filesystem Type Size Used Avail Use% Mountedon /dev/sda2 ext4 9.7G 2.3G 6.9G 25% /
tmpfs tmpfs 504M 260K 504M 1% /dev/shm /dev/sda1 ext4 194M 24M 161M 13% /boot /dev/sda5 ext4 490M 11M 455M 3% /usr/olx /dev/sr0 iso9660 2.8G 2.8G 0 100% /media/RHEL_6.0i386 Disc 1 [root@localhost ~]# df -h Filesystem Size UsedAvail Use%Mountedon /dev/sda2 9.7G 2.3G 6.9G 25% / tmpfs 504M 260K 504M 1% /dev/shm /dev/sda1 194M 24M 161M 13% /boot /dev/sda5 490M 11M 455M 3% /usr/olx /dev/sr0 2.8G 2.8G 0 100% /media/RHEL_6.0 i386 Disc1 [root@localhost ~]# fdisk -l Disk/dev/sda:21.5 GB, 21474836480 bytes 255 heads,63 sectors/track,2610 cylinders Units= cylindersof 16065 * 512 = 8225280 bytes Sectorsize (logical/physical):512 bytes/ 512 bytes I/Osize (minimum/optimal):512 bytes/512 bytes Diskidentifier:0x00043f93 Device Boot Start End Blocks Id System /dev/sda1 * 1 26 204800 83 Linux Partition1 doesnotendon cylinderboundary. /dev/sda2 26 1301 10240000 83 Linux /dev/sda3 1301 1562 2097152 82 Linux swap/ Solaris /dev/sda4 1562 2610 8421849 5 Extended /dev/sda5 1562 1626 517837+ 83 Linux
/dev/sda6 1627 1632 48163+ 83 Linux /dev/sda7 1633 1639 56196 8e Linux LVM Disk/dev/dm-0:29 MB, 29360128 bytes 255 heads,63 sectors/track,3 cylinders Units= cylindersof 16065 * 512 = 8225280 bytes Sectorsize (logical/physical):512 bytes/ 512 bytes I/Osize (minimum/optimal):512 bytes/512 bytes Diskidentifier:0x00000000 Disk/dev/dm-0doesn'tcontainavalidpartitiontable [root@localhost ~]# mkdir AOC [root@localhost ~]# mount /dev/aoc/Aoc1 AOC [root@localhost ~]# df -h Filesystem Size UsedAvail Use%Mountedon /dev/sda2 9.7G 2.3G 6.9G 25% / tmpfs 504M 260K 504M 1% /dev/shm /dev/sda1 194M 24M 161M 13% /boot /dev/sda5 490M 11M 455M 3% /usr/olx /dev/sr0 2.8G 2.8G 0 100% /media/RHEL_6.0 i386 Disc1 /dev/mapper/aoc-Aoc1 28M 1.4M 25M 6% /root/AOC [root@localhost ~]# lvs LV VG Attr LSize OriginSnap% Move Log Copy% Convert Aoc1 aoc -wi-ao28.00m [root@localhost ~]# lvextend -L10M /dev/aoc/Aoc1 Roundingupsize tofull physical extent12.00 MiB Newsize given(3extents) notlargerthanexistingsize (7extents)
Run`lvextend --help'formore information. [root@localhost ~]# lvextend -L5M /dev/aoc/Aoc1 Roundingupsize tofull physical extent8.00MiB Newsize given(2extents) notlargerthanexistingsize (7extents) Run`lvextend --help'formore information. [root@localhost ~]# lvextend -L2M /dev/aoc/Aoc1 Roundingupsize tofull physical extent4.00MiB Newsize given(1extents) notlargerthanexistingsize (7extents) Run`lvextend --help'formore information. [root@localhost~]# lvextend -L15M /dev/aoc/Aoc1 Roundingupsize tofull physical extent16.00 MiB Newsize given(4extents) notlargerthanexistingsize (7extents) Run`lvextend --help'formore information. [root@localhost ~]# lvextend -L15M /dev/aoc/Aoc1clear Logical volume Aoc1clearnotfoundinvolume groupaoc [root@localhost ~]# clear [root@localhost ~]# fdisk /dev/sda WARNING:DOS-compatible mode isdeprecated.It'sstronglyrecommendedto switchoff the mode (command'c') andchange displayunitsto sectors(command'u'). Command(mfor help):n Firstcylinder(1640-2610, default1640): Usingdefaultvalue 1640 Last cylinder,+cylindersor+size{K,M,G} (1640-2610, default2610): +500M
Command(mfor help):w The partitiontable hasbeenaltered! Callingioctl() tore-readpartitiontable. WARNING:Re-readingthe partitiontable failedwitherror16: Device orresource busy. The kernel still usesthe oldtable.The new table will be usedat the nextrebootor afteryourun partprobe(8) orkpartx(8) Syncingdisks. [root@localhost ~]# fdisk /dev/sda WARNING:DOS-compatible mode isdeprecated.It'sstrongly recommendedto switchoff the mode (command'c') andchange displayunitsto sectors(command'u'). Command(mfor help):p Disk/dev/sda:21.5 GB, 21474836480 bytes 255 heads,63 sectors/track,2610 cylinders Units= cylindersof 16065 * 512 = 8225280 bytes Sectorsize (logical/physical):512 bytes/ 512 bytes I/Osize (minimum/optimal):512 bytes/512 bytes Diskidentifier:0x00043f93 Device Boot Start End Blocks Id System /dev/sda1 * 1 26 204800 83 Linux Partition1 doesnotendon cylinderboundary. /dev/sda2 26 1301 10240000 83 Linux /dev/sda3 1301 1562 2097152 82 Linux swap/ Solaris /dev/sda4 1562 2610 8421849 5 Extended /dev/sda5 1562 1626 517837+ 83 Linux
/dev/sda6 1627 1632 48163+ 83 Linux /dev/sda7 1633 1639 56196 8e Linux LVM /dev/sda8 1640 1704 522081 83 Linux Command (m for help):t Partition number(1-8): 8 Hex code (type L to list codes):8e Changedsystemtype of partition8to 8e (Linux LVM) Command (m for help):w The partitiontable hasbeenaltered! Callingioctl() tore-readpartitiontable. WARNING:Re-readingthe partitiontable failedwitherror16: Device orresource busy. The kernel still usesthe oldtable.The new table will be usedat the nextrebootor afteryourun partprobe(8) orkpartx(8) Syncingdisks. [root@localhost ~]# partx -a /dev/sda BLKPG: Device orresource busy error addingpartition1 BLKPG: Device orresource busy error addingpartition2 BLKPG: Device orresource busy error addingpartition3 BLKPG: Device orresource busy error addingpartition4 BLKPG: Device orresource busy error addingpartition5
BLKPG: Device orresource busy error addingpartition6 BLKPG: Device orresource busy error addingpartition7 [root@localhost ~]# pvcreate /dev/sda8 Physical volume"/dev/sda8"successfullycreated [root@localhost ~]# vgcreate VG1 /dev/sda8 Volume group"VG1"successfullycreated [root@localhost ~]# vgdisplay --- Volume group --- VG Name VG1 SystemID Format lvm2 MetadataAreas 1 MetadataSequence No 1 VG Access read/write VG Status resizable MAX LV 0 Cur LV 0 OpenLV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 508.00 MiB PE Size 4.00 MiB
Total PE 127 AllocPE/ Size 0 / 0 Free PE / Size 127 / 508.00 MiB VG UUID 5BaD8w-YikM-He7J-3q3P-LdP1-snoO-SflLpS --- Volume group --- VG Name aoc SystemID Format lvm2 MetadataAreas 1 MetadataSequence No 2 VG Access read/write VG Status resizable MAX LV 0 Cur LV 1 OpenLV 1 Max PV 0 Cur PV 1 Act PV 1 VG Size 52.00 MiB PE Size 4.00 MiB Total PE 13 AllocPE/ Size 7 / 28.00 MiB Free PE / Size 6 / 24.00 MiB VG UUID WiiSuj-VtRD-3zES-YFse-yLwN-3YS9-vnCB2k [root@localhost ~]# lvcreate -L +100M -n LV1 VG1
Logical volume "LV1"created [root@localhost ~]# mkfs.ext4 /dev/VG1/LV1 mke2fs1.41.12 (17-May-2010) Filesystemlabel= OS type:Linux Blocksize=1024 (log=0) Fragmentsize=1024 (log=0) Stride=0blocks,Stripe width=0blocks 25688 inodes,102400 blocks 5120 blocks(5.00%) reservedforthe superuser Firstdata block=1 Maximumfilesystemblocks=67371008 13 blockgroups 8192 blockspergroup,8192 fragmentspergroup 1976 inodespergroup Superblockbackupsstoredonblocks: 8193, 24577, 40961, 57345, 73729 Writinginode tables:done Creatingjournal (4096 blocks):done Writingsuperblocksandfilesystemaccountinginformation:done Thisfilesystemwill be automaticallycheckedevery20 mountsor 180 days,whichevercomesfirst. Use tune2fs -cor -i to override. [root@localhost ~]# ls acer Aoc Desktop Downloads install.log.syslog Music Public Templates vinod anaconda-ks.cfg AOC Documents install.log jeson Pictures sudhaa Videos
[root@localhost ~]# mount /dev/VG1/LV1 jeson/ [root@localhost ~]# df -h Filesystem Size UsedAvail Use%Mountedon /dev/sda2 9.7G 2.3G 6.9G 25% / tmpfs 504M 260K 504M 1% /dev/shm /dev/sda1 194M 24M 161M 13% /boot /dev/sda5 490M 11M 455M 3% /usr/olx /dev/sr0 2.8G 2.8G 0 100% /media/RHEL_6.0 i386 Disc1 /dev/mapper/aoc-Aoc1 28M 1.4M 25M 6% /root/AOC /dev/mapper/VG1-LV1 97M 5.6M 87M 7% /root/jeson [root@localhost~]#lvextend -L+50M /dev/VG1/LV1 Roundingupsize tofull physical extent52.00 MiB Extendinglogical volumeLV1to152.00 MiB Logical volume LV1successfullyresized [root@localhost~]#df -hT Filesystem Type Size Used Avail Use% Mountedon /dev/sda2 ext4 9.7G 2.3G 6.9G 25% / tmpfs tmpfs 504M 260K 504M 1% /dev/shm /dev/sda1 ext4 194M 24M 161M 13% /boot /dev/sda5 ext4 490M 11M 455M 3% /usr/olx /dev/sr0 iso9660 2.8G 2.8G 0 100% /media/RHEL_6.0i386 Disc 1 /dev/mapper/aoc-Aoc1 ext4 28M 1.4M 25M 6% /root/AOC /dev/mapper/VG1-LV1 ext4 97M 5.6M 87M 7% /root/jeson
[root@localhost ~]# resize2fs/dev/VG1/LV1 resize2fs1.41.12 (17-May-2010) Filesystemat/dev/VG1/LV1ismountedon/root/jeson;on-line resizingrequired olddesc_blocks= 1, new_desc_blocks=1 Performinganon-lineresizeof /dev/VG1/LV1to155648 (1k) blocks. The filesystemon/dev/VG1/LV1isnow155648 blockslong. [root@localhost ~]# df -hT Filesystem Type Size Used Avail Use% Mountedon /dev/sda2 ext4 9.7G 2.3G 6.9G 25% / tmpfs tmpfs 504M 260K 504M 1% /dev/shm /dev/sda1 ext4 194M 24M 161M 13% /boot /dev/sda5 ext4 490M 11M 455M 3% /usr/olx /dev/sr0 iso9660 2.8G 2.8G 0 100% /media/RHEL_6.0i386 Disc 1 /dev/mapper/aoc-Aoc1 ext4 28M 1.4M 25M 6% /root/AOC /dev/mapper/VG1-LV1 ext4 148M 5.6M 135M 4% /root/jeson LVM REMOVE [root@localhost ~]# lvs LV VG Attr LSize OriginSnap% Move Log Copy% Convert LV1 VG1 -wi-a- 152.00m Aoc1 aoc -wi-a- 28.00m [root@localhost ~]# lvremove /dev/aoc Do youreallywantto remove active logical volume Aoc1?[y/n]:y
Logical volume "Aoc1"successfullyremoved [root@localhost ~]# lvs LV VG Attr LSize OriginSnap% Move Log Copy% Convert LV1 VG1 -wi-a- 152.00m [root@localhost ~]# vgremove aoc Volume group"aoc"successfullyremoved [root@localhost ~]# vgs VG #PV #LV #SN Attr VSize VFree VG1 1 1 0 wz--n- 508.00m 356.00m [root@localhost ~]# pvremove /dev/sda7 Labelson physical volume "/dev/sda7"successfullywiped

More Related Content

PPTX
High Availability Server with DRBD in linux
Ali Rachman
 
PDF
CONFidence 2017: Hacking embedded with OpenWrt (Vladimir Mitiouchev)
PROIDEA
 
PDF
Docker and friends at Linux Days 2014 in Prague
tomasbart
 
TXT
Log
Eki Kinda
 
PDF
High Availability With DRBD & Heartbeat
Chris Barber
 
PDF
unix-rosetta
Joseph Hoey
 
PDF
unixtoolbox
wensheng wei
 
PDF
Alta disponibilidad en GNU/Linux
Guillermo Salas Macias
 
High Availability Server with DRBD in linux
Ali Rachman
 
CONFidence 2017: Hacking embedded with OpenWrt (Vladimir Mitiouchev)
PROIDEA
 
Docker and friends at Linux Days 2014 in Prague
tomasbart
 
Log
Eki Kinda
 
High Availability With DRBD & Heartbeat
Chris Barber
 
unix-rosetta
Joseph Hoey
 
unixtoolbox
wensheng wei
 
Alta disponibilidad en GNU/Linux
Guillermo Salas Macias
 

What's hot (19)

PDF
Kernel crashdump
Adrien Mahieux
 
TXT
Project1
Surya Bheri
 
PDF
Recipe of a linux Live CD (archived)
Bud Siddhisena
 
PDF
KCC_Final.pdf
Oleg Sehelin
 
PDF
Unixtoolbox
LILIANA FERNANDEZ
 
PPSX
Logical volume manager xfs
Sarwar Javaid
 
PPTX
Userspace Linux I/O
Garima Kapoor
 
PDF
Oracle cluster installation with grid and iscsi
Chanaka Lasantha
 
PDF
Iscsi
Md Shihab
 
PDF
Linux fundamental - Chap 10 fs
Kenny (netman)
 
PDF
Oracle cluster installation with grid and nfs
Chanaka Lasantha
 
TXT
Log
Abdul Rohman
 
PDF
Software Packaging for Cross OS Distribution
Jian-Hong Pan
 
PDF
Kdump and the kernel crash dump analysis
Buland Singh
 
PPT
Andresen 8 21 02
FNian
 
PDF
Kernel Recipes 2015 - Porting Linux to a new processor architecture
Anne Nicolas
 
PDF
Linux fundamental - Chap 12 Hardware Management
Kenny (netman)
 
PDF
Batel f re v66
Bouziane Beldjilali
 
PDF
A Journey to Boot Linux on Raspberry Pi
Jian-Hong Pan
 
Kernel crashdump
Adrien Mahieux
 
Project1
Surya Bheri
 
Recipe of a linux Live CD (archived)
Bud Siddhisena
 
KCC_Final.pdf
Oleg Sehelin
 
Unixtoolbox
LILIANA FERNANDEZ
 
Logical volume manager xfs
Sarwar Javaid
 
Userspace Linux I/O
Garima Kapoor
 
Oracle cluster installation with grid and iscsi
Chanaka Lasantha
 
Iscsi
Md Shihab
 
Linux fundamental - Chap 10 fs
Kenny (netman)
 
Oracle cluster installation with grid and nfs
Chanaka Lasantha
 
Log
Abdul Rohman
 
Software Packaging for Cross OS Distribution
Jian-Hong Pan
 
Kdump and the kernel crash dump analysis
Buland Singh
 
Andresen 8 21 02
FNian
 
Kernel Recipes 2015 - Porting Linux to a new processor architecture
Anne Nicolas
 
Linux fundamental - Chap 12 Hardware Management
Kenny (netman)
 
Batel f re v66
Bouziane Beldjilali
 
A Journey to Boot Linux on Raspberry Pi
Jian-Hong Pan
 
Ad

Viewers also liked (12)

PDF
Company Profile
Safan Enterprises
 
PPTX
Studiekrav m7 5 helsepolitikk powerpoint
Bettina Storli
 
PDF
SEO Firm india
NehaSharoj
 
PPTX
The Future of UK Solar: An Installer's Perspective
Henry Owen
 
PPTX
SEO firm india
NehaSharoj
 
PPTX
Aditya singh
kooladityap
 
PDF
Esakkirajaexppdf
Esakki Raja
 
DOCX
Rpp smp ipa
Deky07
 
DOC
LC_CV
wael salim
 
PPTX
RFID
15226816
 
PPTX
Suman biotech
C.U.Rajasthan
 
PPTX
Photosynthesis
Jckiee
 
Company Profile
Safan Enterprises
 
Studiekrav m7 5 helsepolitikk powerpoint
Bettina Storli
 
SEO Firm india
NehaSharoj
 
The Future of UK Solar: An Installer's Perspective
Henry Owen
 
SEO firm india
NehaSharoj
 
Aditya singh
kooladityap
 
Esakkirajaexppdf
Esakki Raja
 
Rpp smp ipa
Deky07
 
LC_CV
wael salim
 
RFID
15226816
 
Suman biotech
C.U.Rajasthan
 
Photosynthesis
Jckiee
 
Ad

Similar to Linux lv ms step by step (20)

PDF
lvm logical volume management is a tool in Linux that allows you to manage st...
BhupeshKanire1
 
PDF
Mirroring the root_disk under solaris SVM
Kazimal Abed Mohammed
 
DOCX
Solaris
Ganesh Kumar Veerla
 
DOCX
Mac os x mount ntfs
yusuf mochammad
 
PDF
Real time systems
Said Benaissa
 
PDF
Metasploitable
Sri Manakula Vinayagar Engineering College
 
PPT
Unix 6 en
Simonas Kareiva
 
DOCX
Add and configure lu ns in solaris
Amrita Dey
 
PPTX
Open Enea Linux workshop at the Embedded Conference Scandinavia 2014
EneaSoftware
 
PDF
Jackpot! Attacking Arcade Machines
Patrick Sayler
 
PPT
101 2.1 design hard disk layout v2
Acácio Oliveira
 
PDF
PFIセミナー資料 H27.10.22
Yuya Takei
 
PDF
Let's trace Linux Lernel with KGDB @ COSCUP 2021
Jian-Hong Pan
 
PDF
Embedded Recipes 2019 - Introduction to JTAG debugging
Anne Nicolas
 
PDF
x86_64 Hardware Deep dive
Naoto MATSUMOTO
 
PDF
Slackware Demystified [SELF 2011]
Vincent Batts
 
PDF
Scaling IO-bound microservices
Salo Shp
 
PDF
005 skyeye
Sherif Mousa
 
PPT
2.1 design hard disk layout v2
Acácio Oliveira
 
PPTX
OakTable World Sep14 clonedb
Connor McDonald
 
lvm logical volume management is a tool in Linux that allows you to manage st...
BhupeshKanire1
 
Mirroring the root_disk under solaris SVM
Kazimal Abed Mohammed
 
Solaris
Ganesh Kumar Veerla
 
Mac os x mount ntfs
yusuf mochammad
 
Real time systems
Said Benaissa
 
Metasploitable
Sri Manakula Vinayagar Engineering College
 
Unix 6 en
Simonas Kareiva
 
Add and configure lu ns in solaris
Amrita Dey
 
Open Enea Linux workshop at the Embedded Conference Scandinavia 2014
EneaSoftware
 
Jackpot! Attacking Arcade Machines
Patrick Sayler
 
101 2.1 design hard disk layout v2
Acácio Oliveira
 
PFIセミナー資料 H27.10.22
Yuya Takei
 
Let's trace Linux Lernel with KGDB @ COSCUP 2021
Jian-Hong Pan
 
Embedded Recipes 2019 - Introduction to JTAG debugging
Anne Nicolas
 
x86_64 Hardware Deep dive
Naoto MATSUMOTO
 
Slackware Demystified [SELF 2011]
Vincent Batts
 
Scaling IO-bound microservices
Salo Shp
 
005 skyeye
Sherif Mousa
 
2.1 design hard disk layout v2
Acácio Oliveira
 
OakTable World Sep14 clonedb
Connor McDonald
 

Recently uploaded (20)

PPTX
CHAPTER 2 - PM Management and IT Context
KevinPutra14
 
PPTX
VVF-Customer-Presentation2025-Ver1.9.pptx
blackmambaettijean
 
PDF
Nekopoi APK 2025 free lastest update
umarali35kp
 
PDF
Internet Downloader Manager (IDM) Crack 6.42 Build 41
ghrom2211g
 
PPTX
Odoo POS Development Services by CandidRoot Solutions
CandidRoot Solutions Private Limited
 
PDF
System and Network Administraation Chapter 3
jaramharo
 
PDF
Addressing The Cult of Project Management Tools-Why Disconnected Work is Hold...
OnePlan Solutions
 
PDF
Design an Analysis of Algorithms II-SECS-1021-03
DilanEscobar1
 
PDF
How Creative Agencies Leverage Project Management Software.pdf
Orangescrum
 
PDF
Why TechBuilder is the Future of Pickup and Delivery App Development (1).pdf
TechBuilder
 
PPTX
Operating system designcfffgfgggggggvggggggggg
rmskumara09
 
PPTX
Lecture 3: Operating Systems Introduction to Computer Hardware Systems
hci7se
 
PDF
EN-Survey-Report-SAP-LeanIX-EA-Insights-2025.pdf
deepakkhaitan3
 
PPTX
Agentic AI Use Case- Contract Lifecycle Management (CLM).pptx
mhxyzzp
 
PDF
Internet Downloader Manager (IDM) Crack 6.42 Build 42 Updates Latest 2025
itskinga12
 
PPTX
Reimagine Home Health with the Power of Agentic AI​
AutomationEdge Technologies
 
PDF
Odoo Companies in India – Driving Business Transformation.pdf
azhuhardeen1968
 
PDF
Adobe Premiere Pro 2025 (v24.5.0.057) Crack free
ghrom2211g
 
PDF
Understanding Forklifts - TECH EHS Solution
TECH EHS Solution
 
PDF
medical staffing services at VALiNTRY
Tiyan Grayson
 
CHAPTER 2 - PM Management and IT Context
KevinPutra14
 
VVF-Customer-Presentation2025-Ver1.9.pptx
blackmambaettijean
 
Nekopoi APK 2025 free lastest update
umarali35kp
 
Internet Downloader Manager (IDM) Crack 6.42 Build 41
ghrom2211g
 
Odoo POS Development Services by CandidRoot Solutions
CandidRoot Solutions Private Limited
 
System and Network Administraation Chapter 3
jaramharo
 
Addressing The Cult of Project Management Tools-Why Disconnected Work is Hold...
OnePlan Solutions
 
Design an Analysis of Algorithms II-SECS-1021-03
DilanEscobar1
 
How Creative Agencies Leverage Project Management Software.pdf
Orangescrum
 
Why TechBuilder is the Future of Pickup and Delivery App Development (1).pdf
TechBuilder
 
Operating system designcfffgfgggggggvggggggggg
rmskumara09
 
Lecture 3: Operating Systems Introduction to Computer Hardware Systems
hci7se
 
EN-Survey-Report-SAP-LeanIX-EA-Insights-2025.pdf
deepakkhaitan3
 
Agentic AI Use Case- Contract Lifecycle Management (CLM).pptx
mhxyzzp
 
Internet Downloader Manager (IDM) Crack 6.42 Build 42 Updates Latest 2025
itskinga12
 
Reimagine Home Health with the Power of Agentic AI​
AutomationEdge Technologies
 
Odoo Companies in India – Driving Business Transformation.pdf
azhuhardeen1968
 
Adobe Premiere Pro 2025 (v24.5.0.057) Crack free
ghrom2211g
 
Understanding Forklifts - TECH EHS Solution
TECH EHS Solution
 
medical staffing services at VALiNTRY
Tiyan Grayson
 

Linux lv ms step by step

  • 1. LVMs STEP BY STEP [root@localhost ~]# fdisk /dev/sda WARNING:DOS-compatible mode isdeprecated.It'sstronglyrecommendedto switchoff the mode (command'c') andchange displayunitsto sectors(command'u'). Command (m for help):n Firstcylinder(1633-2610, default1633): Usingdefaultvalue 1633 Last cylinder,+cylindersor+size{K,M,G} (1633-2610, default2610): +50M Command (m for help):w The partitiontable hasbeenaltered! Callingioctl() tore-readpartitiontable. WARNING:Re-readingthe partitiontable failedwitherror16: Device orresource busy. The kernel still usesthe oldtable.The new table will be usedat the nextrebootor afteryourun partprobe(8) orkpartx(8) Syncingdisks. [root@localhost ~]# fdisk /dev/sda WARNING:DOS-compatible mode isdeprecated.It'sstronglyrecommendedto switchoff the mode (command'c') andchange displayunitsto sectors(command'u'). Command(mfor help):p Disk/dev/sda:21.5 GB, 21474836480 bytes 255 heads,63 sectors/track,2610 cylinders Units= cylindersof 16065 * 512 = 8225280 bytes Sectorsize (logical/physical):512 bytes/ 512 bytes
  • 2. I/Osize (minimum/optimal):512 bytes/512 bytes Diskidentifier:0x00043f93 Device Boot Start End Blocks Id System /dev/sda1 * 1 26 204800 83 Linux Partition1 doesnotendon cylinderboundary. /dev/sda2 26 1301 10240000 83 Linux /dev/sda3 1301 1562 2097152 82 Linux swap/ Solaris /dev/sda4 1562 2610 8421849 5 Extended /dev/sda5 1562 1626 517837+ 83 Linux /dev/sda6 1627 1632 48163+ 83 Linux /dev/sda7 1633 1639 56196 83 Linux Command(mfor help):t Partitionnumber(1-7):7 Hex code (type L to listcodes):L (Listof Hex codes) 0 Empty 24 NECDOS 81 Minix / oldLin bf Solaris 1 FAT12 39 Plan9 82 Linux swap/ Soc1 DRDOS/sec(FAT- 2 XENIXroot 3c PartitionMagic 83 Linux c4 DRDOS/sec(FAT- 3 XENIXusr 40 Venix 80286 84 OS/2 hiddenC: c6 DRDOS/sec(FAT- 4 FAT16 <32M 41 PPCPRePBoot 85 Linux extended c7 Syrinx 5 Extended 42 SFS 86 NTFS volume setda Non-FSdata 6 FAT16 4d QNX4.x 87 NTFSvolume setdb CP/M/ CTOS/ . 7 HPFS/NTFS 4e QNX4.x 2nd part 88 Linux plaintextde Dell Utility 8 AIX 4f QNX4.x 3rd part 8e LinuxLVM df BootIt 9 AIX bootable 50 OnTrack DM 93 Amoeba e1 DOS access a OS/2 Boot Manag 51 OnTrack DM6 Aux 94 AmoebaBBT e3 DOS R/O
  • 3. b W95 FAT32 52 CP/M 9f BSD/OS e4 SpeedStor c W95 FAT32 (LBA) 53 OnTrack DM6 Aux a0 IBMThinkpadhi eb BeOSfs e W95 FAT16 (LBA) 54 OnTrackDM6 a5 FreeBSD ee GPT f W95 Ext'd(LBA) 55 EZ-Drive a6 OpenBSD ef EFI (FAT-12/16/ 10 OPUS 56 GoldenBow a7 NeXTSTEP f0 Linux/PA-RISCb 11 HiddenFAT12 5c PriamEdisk a8 DarwinUFS f1 SpeedStor 12 Compaqdiagnost61 SpeedStor a9 NetBSD f4 SpeedStor 14 HiddenFAT16<3 63 GNU HURD or Sys ab Darwinboot f2 DOSsecondary 16 HiddenFAT16 64 Novell Netware af HFS/ HFS+ fb VMware VMFS 17 HiddenHPFS/NTF65 Novell Netware b7 BSDI fs fc VMware VMKCORE 18 ASTSmartSleep 70 DiskSecure Multb8 BSDI swap fd Linux raidauto 1b HiddenW95 FAT3 75 PC/IX bb Boot Wizardhidfe LANstep 1c HiddenW95 FAT3 80 Old Minix be Solarisboot ff BBT 1e HiddenW95 FAT1 Hex code (type L to list codes):8e Changedsystemtype of partition7to 8e (Linux LVM) Command(mfor help):w The partitiontable hasbeenaltered! Callingioctl() tore-readpartitiontable. WARNING:Re-readingthe partitiontable failedwitherror16: Device orresource busy. The kernel still usesthe oldtable.The new table will be usedat the nextrebootor afteryourun partprobe(8) orkpartx(8) Syncingdisks. [root@localhost ~]# partx -a /dev/sda BLKPG: Device orresource busy
  • 4. error addingpartition1 BLKPG: Device orresource busy error addingpartition2 BLKPG: Device orresource busy error addingpartition3 BLKPG: Device orresource busy error addingpartition4 BLKPG: Device orresource busy error addingpartition5 BLKPG: Device orresource busy error addingpartition6 BLKPG: Device orresource busy error addingpartition7 [root@localhost ~]# cat /proc/partitions majorminor #blocks name 8 0 20971520 sda 8 1 204800 sda1 8 2 10240000 sda2 8 3 2097152 sda3 8 4 1 sda4 8 5 517837 sda5 8 6 48163 sda6 8 7 56196 sda7 [root@localhost ~]# pvcreate /dev/sda7 Physical volume"/dev/sda7"successfullycreated
  • 5. [root@localhost ~]# vgcreate /dev/sda7 Please enteraphysical volume path Run`vgcreate --help'formore information. [root@localhost ~]# vgcreate /dev/sda Please enteraphysical volume path Run`vgcreate --help'formore information. [root@localhost ~]# vgcreate Aoc /dev/sda Device /dev/sdanotfound(orignoredbyfiltering). Unable toadd physical volume '/dev/sda'tovolume group'Aoc'. [root@localhost ~]# vgcreate aoc /dev/sda Device /dev/sdanotfound(orignoredbyfiltering). Unable toadd physical volume '/dev/sda'tovolume group'aoc'. [root@localhost ~]# vgcreate vg1 /dev/sda Device /dev/sdanotfound(orignoredbyfiltering). Unable toadd physical volume '/dev/sda'tovolume group'vg1'. [root@localhost ~]# vgdisplay Novolume groupsfound [root@localhost ~]# vgcreate aoc /dev/sda7 Volume group"aoc"successfullycreated [root@localhost ~]# vgdisplay --- Volume group --- VG Name aoc SystemID Format lvm2 MetadataAreas 1
  • 6. MetadataSequence No 1 VG Access read/write VG Status resizable MAX LV 0 Cur LV 0 OpenLV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 52.00 MiB PE Size 4.00 MiB Total PE 13 AllocPE/ Size 0 / 0 Free PE / Size 13 / 52.00 MiB VG UUID WiiSuj-VtRD-3zES-YFse-yLwN-3YS9-vnCB2k [root@localhost ~]# blkid/dev/sda7 /dev/sda7:UUID="3h4r7d-1JO1-kmi5-RWwW-0hJ8-cNQw-oe7BS4"TYPE="LVM2_member" [root@localhost ~]# lvcreate -L 25M -nAoc1 aoc Roundingupsize tofull physical extent28.00 MiB Logical volume "Aoc1"created [root@localhost ~]# lvs LV VG Attr LSize OriginSnap% Move Log Copy% Convert Aoc1 aoc -wi-a- 28.00m [root@localhost ~]# mkfs.ext4 /dev/aoc/Aoc1 mke2fs1.41.12 (17-May-2010)
  • 7. Filesystemlabel= OS type:Linux Blocksize=1024 (log=0) Fragmentsize=1024 (log=0) Stride=0blocks,Stripe width=0blocks 7168 inodes,28672 blocks 1433 blocks(5.00%) reservedforthe superuser Firstdata block=1 Maximumfilesystemblocks=29360128 4 blockgroups 8192 blockspergroup,8192 fragmentspergroup 1792 inodespergroup Superblockbackupsstoredonblocks: 8193, 24577 Writinginode tables:done Creatingjournal (1024 blocks):done Writingsuperblocksandfilesystemaccountinginformation:done Thisfilesystemwill be automaticallycheckedevery25 mountsor 180 days,whichevercomesfirst. Use tune2fs -cor -i to override. [root@localhost ~]# lvs LV VG Attr LSize OriginSnap% Move Log Copy% Convert Aoc1 aoc -wi-a- 28.00m [root@localhost ~]# df -hT Filesystem Type Size Used Avail Use% Mountedon /dev/sda2 ext4 9.7G 2.3G 6.9G 25% /
  • 8. tmpfs tmpfs 504M 260K 504M 1% /dev/shm /dev/sda1 ext4 194M 24M 161M 13% /boot /dev/sda5 ext4 490M 11M 455M 3% /usr/olx /dev/sr0 iso9660 2.8G 2.8G 0 100% /media/RHEL_6.0i386 Disc 1 [root@localhost ~]# df -h Filesystem Size UsedAvail Use%Mountedon /dev/sda2 9.7G 2.3G 6.9G 25% / tmpfs 504M 260K 504M 1% /dev/shm /dev/sda1 194M 24M 161M 13% /boot /dev/sda5 490M 11M 455M 3% /usr/olx /dev/sr0 2.8G 2.8G 0 100% /media/RHEL_6.0 i386 Disc1 [root@localhost ~]# fdisk -l Disk/dev/sda:21.5 GB, 21474836480 bytes 255 heads,63 sectors/track,2610 cylinders Units= cylindersof 16065 * 512 = 8225280 bytes Sectorsize (logical/physical):512 bytes/ 512 bytes I/Osize (minimum/optimal):512 bytes/512 bytes Diskidentifier:0x00043f93 Device Boot Start End Blocks Id System /dev/sda1 * 1 26 204800 83 Linux Partition1 doesnotendon cylinderboundary. /dev/sda2 26 1301 10240000 83 Linux /dev/sda3 1301 1562 2097152 82 Linux swap/ Solaris /dev/sda4 1562 2610 8421849 5 Extended /dev/sda5 1562 1626 517837+ 83 Linux
  • 9. /dev/sda6 1627 1632 48163+ 83 Linux /dev/sda7 1633 1639 56196 8e Linux LVM Disk/dev/dm-0:29 MB, 29360128 bytes 255 heads,63 sectors/track,3 cylinders Units= cylindersof 16065 * 512 = 8225280 bytes Sectorsize (logical/physical):512 bytes/ 512 bytes I/Osize (minimum/optimal):512 bytes/512 bytes Diskidentifier:0x00000000 Disk/dev/dm-0doesn'tcontainavalidpartitiontable [root@localhost ~]# mkdir AOC [root@localhost ~]# mount /dev/aoc/Aoc1 AOC [root@localhost ~]# df -h Filesystem Size UsedAvail Use%Mountedon /dev/sda2 9.7G 2.3G 6.9G 25% / tmpfs 504M 260K 504M 1% /dev/shm /dev/sda1 194M 24M 161M 13% /boot /dev/sda5 490M 11M 455M 3% /usr/olx /dev/sr0 2.8G 2.8G 0 100% /media/RHEL_6.0 i386 Disc1 /dev/mapper/aoc-Aoc1 28M 1.4M 25M 6% /root/AOC [root@localhost ~]# lvs LV VG Attr LSize OriginSnap% Move Log Copy% Convert Aoc1 aoc -wi-ao28.00m [root@localhost ~]# lvextend -L10M /dev/aoc/Aoc1 Roundingupsize tofull physical extent12.00 MiB Newsize given(3extents) notlargerthanexistingsize (7extents)
  • 10. Run`lvextend --help'formore information. [root@localhost ~]# lvextend -L5M /dev/aoc/Aoc1 Roundingupsize tofull physical extent8.00MiB Newsize given(2extents) notlargerthanexistingsize (7extents) Run`lvextend --help'formore information. [root@localhost ~]# lvextend -L2M /dev/aoc/Aoc1 Roundingupsize tofull physical extent4.00MiB Newsize given(1extents) notlargerthanexistingsize (7extents) Run`lvextend --help'formore information. [root@localhost~]# lvextend -L15M /dev/aoc/Aoc1 Roundingupsize tofull physical extent16.00 MiB Newsize given(4extents) notlargerthanexistingsize (7extents) Run`lvextend --help'formore information. [root@localhost ~]# lvextend -L15M /dev/aoc/Aoc1clear Logical volume Aoc1clearnotfoundinvolume groupaoc [root@localhost ~]# clear [root@localhost ~]# fdisk /dev/sda WARNING:DOS-compatible mode isdeprecated.It'sstronglyrecommendedto switchoff the mode (command'c') andchange displayunitsto sectors(command'u'). Command(mfor help):n Firstcylinder(1640-2610, default1640): Usingdefaultvalue 1640 Last cylinder,+cylindersor+size{K,M,G} (1640-2610, default2610): +500M
  • 11. Command(mfor help):w The partitiontable hasbeenaltered! Callingioctl() tore-readpartitiontable. WARNING:Re-readingthe partitiontable failedwitherror16: Device orresource busy. The kernel still usesthe oldtable.The new table will be usedat the nextrebootor afteryourun partprobe(8) orkpartx(8) Syncingdisks. [root@localhost ~]# fdisk /dev/sda WARNING:DOS-compatible mode isdeprecated.It'sstrongly recommendedto switchoff the mode (command'c') andchange displayunitsto sectors(command'u'). Command(mfor help):p Disk/dev/sda:21.5 GB, 21474836480 bytes 255 heads,63 sectors/track,2610 cylinders Units= cylindersof 16065 * 512 = 8225280 bytes Sectorsize (logical/physical):512 bytes/ 512 bytes I/Osize (minimum/optimal):512 bytes/512 bytes Diskidentifier:0x00043f93 Device Boot Start End Blocks Id System /dev/sda1 * 1 26 204800 83 Linux Partition1 doesnotendon cylinderboundary. /dev/sda2 26 1301 10240000 83 Linux /dev/sda3 1301 1562 2097152 82 Linux swap/ Solaris /dev/sda4 1562 2610 8421849 5 Extended /dev/sda5 1562 1626 517837+ 83 Linux
  • 12. /dev/sda6 1627 1632 48163+ 83 Linux /dev/sda7 1633 1639 56196 8e Linux LVM /dev/sda8 1640 1704 522081 83 Linux Command (m for help):t Partition number(1-8): 8 Hex code (type L to list codes):8e Changedsystemtype of partition8to 8e (Linux LVM) Command (m for help):w The partitiontable hasbeenaltered! Callingioctl() tore-readpartitiontable. WARNING:Re-readingthe partitiontable failedwitherror16: Device orresource busy. The kernel still usesthe oldtable.The new table will be usedat the nextrebootor afteryourun partprobe(8) orkpartx(8) Syncingdisks. [root@localhost ~]# partx -a /dev/sda BLKPG: Device orresource busy error addingpartition1 BLKPG: Device orresource busy error addingpartition2 BLKPG: Device orresource busy error addingpartition3 BLKPG: Device orresource busy error addingpartition4 BLKPG: Device orresource busy error addingpartition5
  • 13. BLKPG: Device orresource busy error addingpartition6 BLKPG: Device orresource busy error addingpartition7 [root@localhost ~]# pvcreate /dev/sda8 Physical volume"/dev/sda8"successfullycreated [root@localhost ~]# vgcreate VG1 /dev/sda8 Volume group"VG1"successfullycreated [root@localhost ~]# vgdisplay --- Volume group --- VG Name VG1 SystemID Format lvm2 MetadataAreas 1 MetadataSequence No 1 VG Access read/write VG Status resizable MAX LV 0 Cur LV 0 OpenLV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 508.00 MiB PE Size 4.00 MiB
  • 14. Total PE 127 AllocPE/ Size 0 / 0 Free PE / Size 127 / 508.00 MiB VG UUID 5BaD8w-YikM-He7J-3q3P-LdP1-snoO-SflLpS --- Volume group --- VG Name aoc SystemID Format lvm2 MetadataAreas 1 MetadataSequence No 2 VG Access read/write VG Status resizable MAX LV 0 Cur LV 1 OpenLV 1 Max PV 0 Cur PV 1 Act PV 1 VG Size 52.00 MiB PE Size 4.00 MiB Total PE 13 AllocPE/ Size 7 / 28.00 MiB Free PE / Size 6 / 24.00 MiB VG UUID WiiSuj-VtRD-3zES-YFse-yLwN-3YS9-vnCB2k [root@localhost ~]# lvcreate -L +100M -n LV1 VG1
  • 15. Logical volume "LV1"created [root@localhost ~]# mkfs.ext4 /dev/VG1/LV1 mke2fs1.41.12 (17-May-2010) Filesystemlabel= OS type:Linux Blocksize=1024 (log=0) Fragmentsize=1024 (log=0) Stride=0blocks,Stripe width=0blocks 25688 inodes,102400 blocks 5120 blocks(5.00%) reservedforthe superuser Firstdata block=1 Maximumfilesystemblocks=67371008 13 blockgroups 8192 blockspergroup,8192 fragmentspergroup 1976 inodespergroup Superblockbackupsstoredonblocks: 8193, 24577, 40961, 57345, 73729 Writinginode tables:done Creatingjournal (4096 blocks):done Writingsuperblocksandfilesystemaccountinginformation:done Thisfilesystemwill be automaticallycheckedevery20 mountsor 180 days,whichevercomesfirst. Use tune2fs -cor -i to override. [root@localhost ~]# ls acer Aoc Desktop Downloads install.log.syslog Music Public Templates vinod anaconda-ks.cfg AOC Documents install.log jeson Pictures sudhaa Videos
  • 16. [root@localhost ~]# mount /dev/VG1/LV1 jeson/ [root@localhost ~]# df -h Filesystem Size UsedAvail Use%Mountedon /dev/sda2 9.7G 2.3G 6.9G 25% / tmpfs 504M 260K 504M 1% /dev/shm /dev/sda1 194M 24M 161M 13% /boot /dev/sda5 490M 11M 455M 3% /usr/olx /dev/sr0 2.8G 2.8G 0 100% /media/RHEL_6.0 i386 Disc1 /dev/mapper/aoc-Aoc1 28M 1.4M 25M 6% /root/AOC /dev/mapper/VG1-LV1 97M 5.6M 87M 7% /root/jeson [root@localhost~]#lvextend -L+50M /dev/VG1/LV1 Roundingupsize tofull physical extent52.00 MiB Extendinglogical volumeLV1to152.00 MiB Logical volume LV1successfullyresized [root@localhost~]#df -hT Filesystem Type Size Used Avail Use% Mountedon /dev/sda2 ext4 9.7G 2.3G 6.9G 25% / tmpfs tmpfs 504M 260K 504M 1% /dev/shm /dev/sda1 ext4 194M 24M 161M 13% /boot /dev/sda5 ext4 490M 11M 455M 3% /usr/olx /dev/sr0 iso9660 2.8G 2.8G 0 100% /media/RHEL_6.0i386 Disc 1 /dev/mapper/aoc-Aoc1 ext4 28M 1.4M 25M 6% /root/AOC /dev/mapper/VG1-LV1 ext4 97M 5.6M 87M 7% /root/jeson
  • 17. [root@localhost ~]# resize2fs/dev/VG1/LV1 resize2fs1.41.12 (17-May-2010) Filesystemat/dev/VG1/LV1ismountedon/root/jeson;on-line resizingrequired olddesc_blocks= 1, new_desc_blocks=1 Performinganon-lineresizeof /dev/VG1/LV1to155648 (1k) blocks. The filesystemon/dev/VG1/LV1isnow155648 blockslong. [root@localhost ~]# df -hT Filesystem Type Size Used Avail Use% Mountedon /dev/sda2 ext4 9.7G 2.3G 6.9G 25% / tmpfs tmpfs 504M 260K 504M 1% /dev/shm /dev/sda1 ext4 194M 24M 161M 13% /boot /dev/sda5 ext4 490M 11M 455M 3% /usr/olx /dev/sr0 iso9660 2.8G 2.8G 0 100% /media/RHEL_6.0i386 Disc 1 /dev/mapper/aoc-Aoc1 ext4 28M 1.4M 25M 6% /root/AOC /dev/mapper/VG1-LV1 ext4 148M 5.6M 135M 4% /root/jeson LVM REMOVE [root@localhost ~]# lvs LV VG Attr LSize OriginSnap% Move Log Copy% Convert LV1 VG1 -wi-a- 152.00m Aoc1 aoc -wi-a- 28.00m [root@localhost ~]# lvremove /dev/aoc Do youreallywantto remove active logical volume Aoc1?[y/n]:y
  • 18. Logical volume "Aoc1"successfullyremoved [root@localhost ~]# lvs LV VG Attr LSize OriginSnap% Move Log Copy% Convert LV1 VG1 -wi-a- 152.00m [root@localhost ~]# vgremove aoc Volume group"aoc"successfullyremoved [root@localhost ~]# vgs VG #PV #LV #SN Attr VSize VFree VG1 1 1 0 wz--n- 508.00m 356.00m [root@localhost ~]# pvremove /dev/sda7 Labelson physical volume "/dev/sda7"successfullywiped