[UG] Remove partition preservation
Removes the Preserve a partition section from the User guide. Closes-Bug: #1656039 Change-Id: I5b866c98e17e596cf1b0b4a06415f2e2ba152bfb
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Maria Zlatkova
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e908c71378
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9cc5d05e54
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@ -22,7 +22,6 @@ This section includes the following topics:
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maintain-environment/access-shell.rst
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maintain-environment/rollback-ug.rst
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maintain-environment/reinstall-node.rst
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maintain-environment/reinstall-virtual-role.rst
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maintain-environment/create-snapshot.rst
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maintain-environment/workflows-manage.rst
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maintain-environment/shutdown-env.rst
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@ -1,79 +0,0 @@
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.. _preserve-partition:
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====================
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Preserve a partition
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====================
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This section is a part of the :ref:`Rollback a node <rollback-ug>` procedure.
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With partition preservation you can keep any type of data that meets the
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following criteria:
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* The data is stored on a dedicated partition.
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* The partition is not a root partition. (The root partition is always
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erased during deployment).
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You can preserve the following types of data:
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* Ceph data
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* Swift data
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* Nova instances data
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* Database, custom partition types
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.. note:: Do not change the partition size as this will make the
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the rollback impossible.
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**To preserve a partition:**
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#. Log in to the Fuel Master node CLI.
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#. Obtain the node ID number by typing:
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::
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fuel nodes
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#. Download the information about disks:
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::
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fuel node --node-id <NODE_ID> --disk --download
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where <NODE_ID> points to a specific node identified by its ID
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(a number) that you can get by issuing the ``fuel nodes`` command.
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**Example:**
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::
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fuel node --node-id 1 --disk --download
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#. Open the ``/root/node_1/disks.yaml`` file for editing.
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#. Enable partition preservation by setting the ``keep_data:`` flag value to
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``true``.
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All partitions with the same name need to have the same flag value.
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**Example:**
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::
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- extra:
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- disk/by-id/scsi-SATA_QEMU_HARDDISK_QM00001
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- disk/by-id/ata-QEMU_HARDDISK_QM00001
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id: disk/by-path/pci-0000:00:01.1-scsi-0:0:0:0
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name: sdc
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size: 101836
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volumes:
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- name: mysql
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size: 101836
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keep_data: true
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#. Upload the modified file:
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::
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fuel node --node-id <NODE_ID> --disk --upload
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**Example:**
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::
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fuel node --node-id 1 --disk --upload
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@ -1,99 +0,0 @@
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.. _reinstall-virtual-role:
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========================
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Reinstall a virtual role
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========================
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If you have the Reduced Footprint feature enabled, you may need to reinstall
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the virtual role.
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**To reinstall a virtual role:**
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#. Log in to the Fuel Master node CLI.
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#. Download the information about disks:
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::
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fuel node --node-id <NODE_ID> --disk --download
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where <NODE_ID> points to the node with virt role identified by its ID
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(a number) that you can get by issuing the ``fuel nodes`` command.
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**Example:**
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::
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fuel node --node-id 1 --disk --download
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#. Open the ``/root/node_1/disks.yaml`` file for editing.
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#. Enable the partition preservation of the volume with ``vm`` name by setting
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its ``keep_data`` flag to ``true``. All partitions with the same name need
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to have the same flag value.
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**Example:**
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::
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- extra:
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- disk/by-id/wwn-0x5000c5007a287855
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- disk/by-id/scsi-SATA_ST2000DM001-1ER_Z4Z1WH2V
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- disk/by-id/ata-ST2000DM001-1ER164_Z4Z1WH2V
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id: disk/by-path/pci-0000:00:1f.2-scsi-0:0:0:0
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name: sda
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size: 1907037
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volumes:
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- keep_data: false
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name: os
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size: 67584
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- keep_data: false
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name: cinder
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size: 919726
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- keep_data: true
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name: vm
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size: 919727
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where <NODE_ID> points to a specific node identified by its ID (a number)
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that you can get by issuing the ``fuel nodes`` command.
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#. Upload the modified file:
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::
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fuel node --node-id <NODE_ID> --disk --upload
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**Example:**
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::
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fuel node --node-id 1 --disk --upload
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#. Reprovision the node:
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::
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fuel node --node-id <NODE_ID> --provision
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**Example:**
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::
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fuel node --node-id 1 --provision
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#. Provision the bare-metal node with the virtual role and spawn
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virtual machines:
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::
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fuel2 env spawn-vms <CLUSTER_ID>
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**Example:**
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::
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fuel2 env spawn-vms 1
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#. Redeploy the spawned node:
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::
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fuel node --node-id <NODE_ID> --deploy
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@ -39,8 +39,6 @@ before it failed.
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$ nova live-migration <instance>
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#. (Optional) Preserve partitions as described in :ref:`preserve-partition`.
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#. Reinstall the node as described in :ref:`reinstall-node`.
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#. Enable the nova-compute service:
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@ -13,5 +13,4 @@ This section includes the following topics:
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.. toctree::
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:maxdepth: 3
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rollback-compute-node.rst
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preserve-partition.rst
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rollback-compute-node.rst
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