Liste des princiaples commandes LVM pour manipuler les Volumes Physiques (PV) : man -k ^pv<\/p>\n
pvchange (8) - Change attributes of physical volume(s)\r\npvck (8) - Check the consistency of physical volume(s)\r\npvcreate (8) - Initialize physical volume(s) for use by LVM\r\npvdisplay (8) - Display various attributes of physical volume(s)\r\npvmove (8) - Move extents from one physical volume to another\r\npvremove (8) - Remove LVM label(s) from physical volume(s)\r\npvresize (8) - Resize physical volume(s)\r\npvs (8) - Display information about physical volumes\r\npvscan (8) - List all physical volumes<\/pre>\n <\/p>\n
Liste des princiaples commandes LVM pour manipuler les Groupes de Volumes (VG) : man -k ^vg<\/p>\n
vgcfgbackup (8) - Backup volume group configuration(s)\r\nvgcfgrestore (8) - Restore volume group configuration\r\nvgchange (8) - Change volume group attributes\r\nvgck (8) - Check the consistency of volume group(s)\r\nvgconvert (8) - Change volume group metadata format\r\nvgcreate (8) - Create a volume group\r\nvgdisplay (8) - Display volume group information\r\nvgexport (8) - Unregister volume group(s) from the system\r\nvgextend (8) - Add physical volumes to a volume group\r\nvgimport (8) - Register exported volume group with system\r\nvgimportclone (8) - Import a VG from cloned PVs\r\nvgmerge (8) - Merge volume groups\r\nvgmknodes (8) - Create the special files for volume group devices in \/dev\r\nvgreduce (8) - Remove physical volume(s) from a volume group\r\nvgremove (8) - Remove volume group(s)\r\nvgrename (8) - Rename a volume group\r\nvgs (8) - Display information about volume groups\r\nvgscan (8) - Search for all volume groups\r\nvgsplit (8) - Move physical volumes into a new or existing volume group<\/pre>\nListe des princiaples commandes LVM pour manipuler les Volumes Logiques (LV) : man -k ^lg<\/p>\n
lvchange (8) - Change the attributes of logical volume(s)\r\nlvconvert (8) - Change logical volume layout\r\nlvcreate (8) - Create a logical volume\r\nlvdisplay (8) - Display information about a logical volume\r\nlvextend (8) - Add space to a logical volume\r\nlvm (8) - LVM2 tools\r\nlvm-config (8) - Display and manipulate configuration information\r\nlvm-dumpconfig (8) - Display and manipulate configuration information\r\nlvm-fullreport (8) - (sujet inconnu)\r\nlvm-lvpoll (8) - (sujet inconnu)\r\nlvm.conf (5) - Configuration file for LVM2\r\nlvm2-activation-generator (8) - generator for systemd units to activate LVM2 volumes on boot\r\nlvmcache (7) - LVM caching\r\nlvmconf (8) - LVM configuration modifier\r\nlvmconfig (8) - Display and manipulate configuration information\r\nlvmdiskscan (8) - List devices that may be used as physical volumes\r\nlvmdump (8) - create lvm2 information dumps for diagnostic purposes\r\nlvmetad (8) - LVM metadata cache daemon\r\nlvmpolld (8) - LVM poll daemon\r\nlvmraid (7) - LVM RAID\r\nlvmreport (7) - LVM reporting and related features\r\nlvmsadc (8) - LVM system activity data collector\r\nlvmsar (8) - LVM system activity reporter\r\nlvmsystemid (7) - LVM system ID\r\nlvmthin (7) - LVM thin provisioning\r\nlvreduce (8) - Reduce the size of a logical volume\r\nlvremove (8) - Remove logical volume(s) from the system\r\nlvrename (8) - Rename a logical volume\r\nlvresize (8) - Resize a logical volume\r\nlvs (8) - Display information about logical volumes\r\nlvscan (8) - List all logical volumes in all volume groups<\/pre>\n <\/p>\n
<\/span>III.4 Groupes de Volumes (VG)<\/span><\/h2>\n<\/span>III.4.1 Afficher la liste des groupes de volumes :<\/span><\/h3>\n\n- vgdisplay -s<\/li>\n<\/ul>\n
\"centos\" <7,00 GiB [<7,00 GiB used \/ 0 free]<\/pre>\n<\/span>III.4.2 Cr\u00e9ation d’un groupe de volume sur le disque sdc<\/span><\/h3>\nvgcreate mon_vol_grp \/dev\/sdc<\/p>\n
Volume group \"mon_vol_grp\" successfully created<\/pre>\nce qui donne apr\u00e8s un vgdisplay :<\/p>\n
\"mon_vol_grp\" 1,07 GiB [0 used \/ 1,07 GiB free]<\/strong>\r\n \"centos\" <7,00 GiB [<7,00 GiB used \/ 0 free]<\/pre>\n<\/span>III.4.3 Suppression d’un groupe de volumes<\/span><\/h3>\nvgremove mon_vol_grp<\/p>\n
Volume group \"mon_vol_grp\" successfully removed<\/pre>\nR\u00e9sultat apr\u00e8s un vg display :<\/p>\n
\"centos\" <7,00 GiB [<7,00 GiB used \/ 0 free]<\/pre>\n<\/span>III.5 Volumes Logiques (VL)<\/span><\/h2>\n<\/span>III.5.1 Afficher les volumes logiques<\/span><\/h3>\n\n- lvdisplay<\/li>\n<\/ul>\n
--- Logical volume ---\r\n LV Path \/dev\/centos\/swap\r\n LV Name swap\r\n VG Name centos<\/strong>\r\n LV UUID EWn4T0-2cLo-SWFu-skUZ-YiJ0-6bww-WywdiB\r\n LV Write Access read\/write\r\n LV Creation host, time localhost, 2018-07-27 11:40:49 +0200\r\n LV Status available\r\n # open 2\r\n LV Size 820,00 MiB\r\n Current LE 205\r\n Segments 1\r\n Allocation inherit\r\n Read ahead sectors auto\r\n - currently set to 8192\r\n Block device 253:1\r\n\r\n--- Logical volume ---\r\n LV Path \/dev\/centos\/root\r\n LV Name root\r\n VG Name centos<\/strong>\r\n LV UUID J9QkbE-3a1e-AQ4k-lupo-aFZB-3m3g-n3e3kO\r\n LV Write Access read\/write\r\n LV Creation host, time localhost, 2018-07-27 11:40:49 +0200\r\n LV Status available\r\n # open 1\r\n LV Size <6,20 GiB\r\n Current LE 1586\r\n Segments 1\r\n Allocation inherit\r\n Read ahead sectors auto\r\n - currently set to 8192\r\n Block device 253:0<\/pre>\n <\/p>\n
<\/span>III.5.2 Cr\u00e9ation d’un volume logique<\/span><\/h3>\nCr\u00e9ation d’un volume logique (LG) sur le volume groupe \u00ab\u00a0mon_vol_grp\u00a0\u00bb<\/p>\n
\n- lvcreate -n Vol_log1 -L 100m mon_vol_grp<\/li>\n
- lvcreate -n Vol_log2 -L 200m mon_vol_grp<\/li>\n<\/ul>\n
Logical volume \"Vol_log1\" created.\r\n Logical volume \"Vol_log2\" created.<\/pre>\nR\u00e9sultat apr\u00e8s un lvdisplay :<\/p>\n
--- Logical volume ---\r\n LV Path \/dev\/mon_vol_grp\/Vol_log1\r\n LV Name Vol_log1\r\n VG Name mon_vol_grp<\/strong>\r\n LV UUID IrFfsZ-2saw-meMq-KiAe-sK39-mAEw-2adMv2\r\n LV Write Access read\/write\r\n LV Creation host, time localhost.localdomain, 2018-08-09 17:45:06 +0200\r\n LV Status available\r\n # open 0\r\n LV Size 100,00 MiB\r\n Current LE 25\r\n Segments 1\r\n Allocation inherit\r\n Read ahead sectors auto\r\n - currently set to 8192\r\n Block device 253:2\r\n\r\n--- Logical volume ---\r\n LV Path \/dev\/mon_vol_grp\/Vol_log2\r\n LV Name Vol_log2\r\n VG Name mon_vol_grp<\/strong>\r\n LV UUID IZPMp7-9cUV-eAxs-y8N9-cVE7-S7xZ-u60cWf\r\n LV Write Access read\/write\r\n LV Creation host, time localhost.localdomain, 2018-08-09 17:45:20 +0200\r\n LV Status available\r\n # open 0\r\n LV Size 200,00 MiB\r\n Current LE 50\r\n Segments 1\r\n Allocation inherit\r\n Read ahead sectors auto\r\n - currently set to 8192\r\n Block device 253:3\r\n\r\n--- Logical volume ---\r\n LV Path \/dev\/centos\/swap\r\n LV Name swap\r\n VG Name centos\r\n LV UUID EWn4T0-2cLo-SWFu-skUZ-YiJ0-6bww-WywdiB\r\n LV Write Access read\/write\r\n LV Creation host, time localhost, 2018-07-27 11:40:49 +0200\r\n LV Status available\r\n # open 2\r\n LV Size 820,00 MiB\r\n Current LE 205\r\n Segments 1\r\n Allocation inherit\r\n Read ahead sectors auto\r\n - currently set to 8192\r\n Block device 253:1\r\n\r\n--- Logical volume ---\r\n LV Path \/dev\/centos\/root\r\n LV Name root\r\n VG Name centos\r\n LV UUID J9QkbE-3a1e-AQ4k-lupo-aFZB-3m3g-n3e3kO\r\n LV Write Access read\/write\r\n LV Creation host, time localhost, 2018-07-27 11:40:49 +0200\r\n LV Status available\r\n # open 1\r\n LV Size <6,20 GiB\r\n Current LE 1586\r\n Segments 1\r\n Allocation inherit\r\n Read ahead sectors auto\r\n - currently set to 8192\r\n Block device 253:0<\/pre>\n <\/p>\n
<\/span>III.5.3 Formatter un volume logique<\/span><\/h3>\nMise en place d’un syst\u00e8me de fichiers pour les 2 volumes logiques cr\u00e9\u00e9s :<\/p>\n
\n- mkfs -t ext4 \/dev\/mon_vol_grp\/Vol_log1<\/li>\n
- mkfs -t ext4 \/dev\/mon_vol_grp\/Vol_log2<\/li>\n<\/ul>\n
Sortie pour la cr\u00e9ation du premier syst\u00e8me de fichiers :<\/p>\n
mke2fs 1.42.9 (28-Dec-2013)\r\n\u00c9tiquette de syst\u00e8me de fichiers=\r\nType de syst\u00e8me d'exploitation : Linux\r\nTaille de bloc=1024 (log=0)\r\nTaille de fragment=1024 (log=0)\r\n\u00ab Stride \u00bb = 0 blocs, \u00ab Stripe width \u00bb = 0 blocs\r\n25688 i-noeuds, 102400 blocs\r\n5120 blocs (5.00%) r\u00e9serv\u00e9s pour le super utilisateur\r\nPremier bloc de donn\u00e9es=1\r\nNombre maximum de blocs du syst\u00e8me de fichiers=33685504\r\n13 groupes de blocs\r\n8192 blocs par groupe, 8192 fragments par groupe\r\n1976 i-noeuds par groupe\r\nSuperblocs de secours stock\u00e9s sur les blocs :\r\n 8193, 24577, 40961, 57345, 73729\r\n\r\nAllocation des tables de groupe : compl\u00e9t\u00e9\r\n\u00c9criture des tables d'i-noeuds : compl\u00e9t\u00e9\r\nCr\u00e9ation du journal (4096 blocs) : compl\u00e9t\u00e9\r\n\u00c9criture des superblocs et de l'information de comptabilit\u00e9 du syst\u00e8me de\r\nfichiers : compl\u00e9t\u00e9<\/pre>\n<\/span>III.5.4 Monter un volume logique<\/span><\/h3>\n\n- mkdir \/LVM_exemple<\/li>\n
- mount \/dev\/mon_vol_grp\/Vol_log1 \/LVM_exemple\/<\/li>\n
- lsblk<\/li>\n<\/ul>\n
<\/p>\n
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT\r\nsda 8:0 0 8G 0 disk\r\n\u251c\u2500sda1 8:1 0 1G 0 part \/boot\r\n\u2514\u2500sda2 8:2 0 7G 0 part\r\n \u251c\u2500centos-root 253:0 0 6,2G 0 lvm \/\r\n \u2514\u2500centos-swap 253:1 0 820M 0 lvm [SWAP]\r\nsdb 8:16 0 1010,9M 0 disk\r\nsdc 8:32 0 1,1G 0 disk<\/strong>\r\n\u251c\u2500mon_vol_grp-Vol_log1 253:2 0 100M 0 lvm \/LVM_exemple<\/strong>\r\n\u2514\u2500mon_vol_grp-Vol_log2 253:3 0 200M 0 lvm<\/strong>\r\nsr0 11:0 1 1024M 0 rom\r\n\r\n<\/pre>\n<\/span>III.5.5 Supprimer un volume logique<\/span><\/h3>\n