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Festplatte erweitern im DRBD und VM

IT-Stuff

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admin

Zu erst müssen wir die Volume Group auf den Hosts erweitern mit:

lvextend -L +10G /dev/mapper/cl-dockerqs

Dann dem drbd sagen das er die checken soll mit :

drbdadm resize dockerqs

Jetzt haben wir in der VM 10 GB mehr unpartionierten Speicher.

Disk /dev/vda: 64.4 GB, 64422506496 bytes, 125825208 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
Disk label type: dos
Disk identifier: 0x000e6c77

   Device Boot      Start         End      Blocks   Id  System
/dev/vda1   *        2048     2099199     1048576   83  Linux
/dev/vda2         2099200   104854327    51377564   8e  Linux LVM

Jetzt müssen wir eine Partition erweitern mit:

parted -s /dev/vda resizepart 2 '100%'

Disk /dev/vda: 64.4 GB, 64422506496 bytes, 125825208 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
Disk label type: dos
Disk identifier: 0x000e6c77

   Device Boot      Start         End      Blocks   Id  System
/dev/vda1   *        2048     2099199     1048576   83  Linux
/dev/vda2         2099200   125825207    61863004   8e  Linux LVM

Anschließend die das Physical Volume erweitern:

pvresize /dev/vda2

  Physical volume "/dev/vda2" changed
  1 physical volume(s) resized or updated / 0 physical volume(s) not resized

Zum Schluss können wir endlich das Volume erweitern:

lvextend --resizefs -L +10G /dev/mapper/centos-root

  Size of logical volume centos/root changed from 10.00 GiB (2560 extents) to 20.00 GiB (5120 extents).
  Logical volume centos/root successfully resized.

Grüße

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