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--- wiki:os:linux:lvm [2018/01/22 15:08]
root vytvořeno
+++ wiki:os:linux:lvm [2018/01/22 15:14] (current)
root [Mount]
@@ Line 6: / Line 6: @@
 </code>
+<code>
-<WRAP center round box 60%>
+[root@fuvs-sn1 ~]# pvdisplay /dev/md125
-[root@fuvs-sn1 ~]# **pvdisplay /dev/md125**
   "/dev/md125" is a new physical volume of "9,10 TiB"
   --- NEW Physical volume ---
@@ Line 20: / Line 19: @@
   Allocated PE          0
   PV UUID               66qrEL-a4C2-5lcG-zVXP-Gltn-fYnx-wJtqVD
-</WRAP>
+</code>
+<code>
+[root@fuvs-sn1 ~]# pvs
+  PV         VG  Fmt  Attr PSize   PFree
+  /dev/md125     lvm2 ---    9,10t   9,10t
+</code>
 ===== Volume group =====
+<code bash>
+vgcreate vg1 /dev/md125
+</code>
+<code>
+[root@fuvs-sn1 ~]# vgdisplay vg1
+  --- Volume group ---
+  VG Name               vg1
+  System ID
+  Format                lvm2
+  Metadata Areas        1
+  Metadata Sequence No  1
+  VG Access             read/write
+  VG Status             resizable
+  MAX LV                0
+  Cur LV                0
+  Open LV               0
+  Max PV                0
+  Cur PV                1
+  Act PV                1
+  VG Size               9,10 TiB
+  PE Size               4,00 MiB
+  Total PE              2384350
+  Alloc PE / Size       0 / 0
+  Free  PE / Size       2384350 / 9,10 TiB
+  VG UUID               5EtIkG-bnld-ZuXu-LBuk-lSrA-P3j3-hO5kla
+</code>
+<code bash>
+vgs
+vgscan
+</code>
 ===== Logical volume =====
+<code bash>
+lvcreate --name 9T --size 9T vg1
-===== Filesystem =====
+# nebo
+lvcreate --name 10T -l 100%FREE vg1
+</code>
+<code>
+[root@fuvs-sn1 ~]# lvdisplay
+--- Logical volume ---
+  LV Path                /dev/vg1/9T
+  LV Name                9T
+  VG Name                vg1
+  LV UUID                wHjpoT-uq8x-XOma-6sGP-GcCC-fCUL-flY7Io
+  LV Write Access        read/write
+  LV Creation host, time fuvs-sn1.ovirt.dragon.cz, 2017-03-31 10:28:50 +0200
+  LV Status              available
+  # open                 0
+  LV Size                9,00 TiB
+  Current LE             2359296
+  Segments               1
+  Allocation             inherit
+  Read ahead sectors     auto
+  - currently set to     20480
+  Block device           253:3
+</code>
+<code bash>
+lvs
+lvscan
+</code>
+<code bash>
+lvresize -l +100%FREE /dev/vg1/9T
+lvrename vg1 9T 10T
+e2fsck -f /dev/vg1/10T
+resize2fs /dev/vg1/10T
+</code>
+===== Filesystem =====
+<code bash>
+mkfs.ext4 /dev/vg1/9T
+</code>
 ===== Mount =====
+<code>
+[root@fuvs-sn1 ~]# blkid
+...
+/dev/mapper/vg1-9T: UUID="25fe3799-c76f-4a3a-93f9-4c9577c3b1b3" TYPE="ext4"
+...
+</code>
+<code bash>
+mkdir -p /exports/9T
+</code>
+<code>
+vim /etc/fstab
+...
+# /dev/mapper/vg1-9T:
+UUID=25fe3799-c76f-4a3a-93f9-4c9577c3b1b3       /exports/9T     ext4    defaults        0 2
+</code>
+<code bash>
+mount -a
+</code>
+<code>
+df -h
+Souborový systém     Velikost Užito Volno Uži% Připojeno do
+...
+/dev/mapper/vg1-9T       9,0T   81M  8,5T   1% /exports/9T
+</code>

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