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--- linux:cmd:lvm [2020/07/24 11:51] – [show physical volume] js
+++ linux:cmd:lvm [2022/12/21 09:21] (current) – js
@@ Line 6: / Line 6: @@
 <code bash>pvdisplay -C</code>
+<code bash>[root@centos ~]# lvs -o +devices
+LV                                   VG                                              Attr       LSize  Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert Devices
+a8853c1-b0d5-86a0-5580-5447327106cd XSLocalEXT-6a8853c1-b0d5-86a0-5580-5447327106cd -wi-ao---- 29.96g                                                     /dev/sdb(0),/dev/sdc3(0),/dev/sda(0)
+</code>
+<code bash>[root@centos ~]# lvs --segments -o +devices
+LV                                   VG                                              Attr       #Str Type    SSize  Devices
+a8853c1-b0d5-86a0-5580-5447327106cd XSLocalEXT-6a8853c1-b0d5-86a0-5580-5447327106cd -wi-ao----    3 striped 29.96g /dev/sdb(0),/dev/sdc3(0),/dev/sda(0)</code>
 === show logical volume groups ===
-<code bash>vgdisplay</code>
+<code bash>[root@centos ~]# vgdisplay</code>
 === show logical volume ===
-<code bash>lvdisplay</code>
+<code bash>[root@centos ~]# lvdisplay</code>
+=== resize physical volume ===
+You can use gparted live ios - do the partition magic .... and after that, resize the logical volume and extent the filesystem.
+Rescan Host:
+<code bash>[root@centos ~]# echo "- - -" >/sys/class/scsi_host/host0/scan</code>
+check hd:
+<code bash>[root@centos ~]# fdisk -l
+Disk /dev/sda: 100 GiB, 107374182400 bytes, 209715200 sectors
+Units: sectors of 1 * 512 = 512 bytes
+Sector size (logical/physical): 512 bytes / 512 bytes
+I/O size (minimum/optimal): 512 bytes / 512 bytes
+Disklabel type: dos
+Disk identifier: 0x4952fe1d
+Device     Boot   Start       End   Sectors  Size Id Type
+/dev/sda1  *       2048    411647    409600  200M 83 Linux
+/dev/sda2        411648   8800255   8388608    4G 82 Linux swap / Solaris
+/dev/sda3       8800256 209715199 200914944 95.8G 8e Linux LVM</code>
+or user cfdisk / parted:
+<code bash>cfdisk</code>
+Get MB of free space:
+<code bash>parted</code>
+<code>unit MB</code>
+<code>print</code>
+Get the size of the disk in MB
+<code bash>parted /dev/sda resizepart 2</code>
+Enter size in MB - e.g. 24242MB
+resize
+<code bash>[root@centos ~]# pvresize /dev/sda3
+  Physical volume "/dev/sda3" changed
+physical volume(s) resized or updated / 0 physical volume(s) not resized</code>
+check
+<code bash>[root@centos ~]# pvs
+  PV         VG   Fmt  Attr PSize  PFree
+  /dev/sda3  vg00 lvm2 a--  95.80g 70.00g</code>
 === resize logical volume ===
-resize logical volume<code bash>lvextend -l +100%FREE <path to lv e.g./dev/fsilun/lvfsilun></code>
+resize logical volume<code bash>[root@centos ~]# lvextend -l +100%FREE <path to lv e.g./dev/fsilun/lvfsilun>
-<code>File descriptor 7 (pipe:[13154434]) leaked on lvextend invocation. Parent PID 3865: bash
+File descriptor 7 (pipe:[13154434]) leaked on lvextend invocation. Parent PID 3865: bash
   Size of logical volume fsilun/lvfsilun changed from 250.00 GiB (64000 extents) to 1000.00 GiB (256000 extents).
   Logical volume lvfsilun successfully resized</code>
-and than resize filesystem<code bash>resize2fs -p /dev/fsilun/lvfsilun</code>
-<code bash>resize2fs 1.41.12 (17-May-2010)
+and than resize filesystem<code bash>[root@centos ~]# resize2fs -p /dev/fsilun/lvfsilun
+resize2fs 1.41.12 (17-May-2010)
 Filesystem at /dev/fsilun/lvfsilun is mounted on /mnt/fsi; on-line resizing required
 old desc_blocks = 16, new_desc_blocks = 63

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