Virsh pool-define-as

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virsh pool-define-as Create a permanent pool but do not start it.


virsh[1] pool-define-as name type

pool types fs, logical, disk, iscsi, iscsi-direct, zfs, vstorage[2]
 [--source-host hostname]
 [--source-path path]
 [--source-dev path]
 [--source-name name]
 [--target path]
 [--source-format format]
 [--auth-type authtype --auth-username username
 [--secret-usage usage
 |--secret-uuid uuid]] [[--adapter-name name]
 [--adapter-wwnn --adapter-wwpn] [--adapter-parent parent]] [--print-xml]

Create a pool[edit]

Create a permanent, autostart pool of type dir[edit]

virsh pool-define-as MY_STORAGE_POOL --type dir --target 
/var/lib/libvirt/MY_STORAGE_POOL_PATH
Pool MY_STORAGE_POOL defined
virsh pool-autostart MY_STORAGE_POOL
Pool MY_STORAGE_POOL marked as autostarted
virsh pool-start MY_STORAGE_POOL
Pool MY_STORAGE_POOL started

Review creation[edit]

virsh pool-list
Name                 State      Autostart
-------------------------------------------
MY_STORAGE_POOL               active     yes


virsh pool-info MY_STORAGE_POOL

Name:           MY_STORAGE_POOL
UUID:           4a208Ra0-tf7x-49b6-9ad7-47e71dfeb82d
State:          inactive
Persistent:     yes
Autostart:      yes
Capacity:       9.02 TiB
Allocation:     2.16 TiB
Available:      6.87 TiB


virsh vol-list MY_STORAGE_POOL --details

 Name  Path  Type  Capacity  Allocation
----------------------------------------

Activities[edit]

  1. Understand differences between pool-define, pool-define-as and pool-create, pool-create-as
  2. Create a Persistent storage pool
  3. Create a Persistent storage pool and migrate some machines: Offline Migrate or move a virtual machine between two KVM servers without shared storage


Related commands[edit]

See also[edit]

  • https://linux.die.net/man/1/virsh
  • https://libvirt.org/formatstorage.html
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