**command** [-n *node*] [-g *group*] [-M] {*command*}
Executes a command on all nodes. This command is designed for simple
-usage. For more complex use cases the commands **dsh(1)** or **cssh(1)**
+usage. For more complex use cases the commands **dsh**\(1) or **cssh**\(1)
should be used instead.
If the option ``-n`` is not given, the command will be executed on all
| [\--master-netmask *netmask*]
| [\--use-external-mip-script {yes \| no}]
| [{-m|\--mac-prefix} *mac-prefix*]
-| [\--no-lvm-storage]
| [\--no-etc-hosts]
| [\--no-ssh-init]
| [\--file-storage-dir *dir*]
| [\--ipolicy-disk-templates *template* [,*template*...]]
| [\--disk-state *diskstate*]
| [\--hypervisor-state *hvstate*]
+| [\--enabled-disk-templates *template* [,*template*...]]
| {*clustername*}
This commands is only run once initially on the first node of the
disks. This volume group must have the same name on all nodes. Once
the cluster is initialized this can be altered by using the
**modify** command. If you don't want to use lvm storage at all use
-the ``--no-lvm-storage`` option. Once the cluster is initialized
+the ``--enabled-disk-template`` option to restrict the set of enabled
+disk templates. Once the cluster is initialized
you can change this setup with the **modify** command.
The ``--master-netdev`` option is useful for specifying a different
generated. The prefix must be specified in the format ``XX:XX:XX`` and
the default is ``aa:00:00``.
-The ``--no-lvm-storage`` option allows you to initialize the
-cluster without lvm support. This means that only instances using
-files as storage backend will be possible to create. Once the
-cluster is initialized you can change this setup with the
-**modify** command.
-
The ``--no-etc-hosts`` option allows you to initialize the cluster
without modifying the /etc/hosts file.
hypervisor specific parameters for the cluster. The format of this
option is the name of the hypervisor, followed by a colon and a
comma-separated list of key=value pairs. The keys available for each
-hypervisors are detailed in the gnt-instance(8) man page, in the
+hypervisors are detailed in the **gnt-instance**\(8) man page, in the
**add** command plus the following parameters which are only
configurable globally (at cluster level):
This options specifies the TCP port to use for live-migration. For
Xen, the same port should be configured on all nodes in the
- ``/etc/xen/xend-config.sxp`` file, under the key
+ ``@XEN_CONFIG_DIR@/xend-config.sxp`` file, under the key
"xend-relocation-port".
migration\_bandwidth
list of key-value pairs. These parameters can only be specified at
cluster and node group level; the cluster-level parameter are inherited
by the node group at the moment of its creation, and can be further
-modified at node group level using the **gnt-group**(8) command.
+modified at node group level using the **gnt-group**\(8) command.
The following is the list of disk parameters available for the **drbd**
template, with measurement units specified in square brackets at the end
will be blank, which means that relevant operations will require the
administrator to manually specify either an instance allocator, or a
set of nodes. If the option is not specified but htools was enabled,
-the default iallocator will be **hail**(1) (assuming it can be found
+the default iallocator will be **hail**\(1) (assuming it can be found
on disk). The default iallocator can be changed later using the
**modify** command.
and the cluster name.
The ``--node-parameters`` option allows you to set default node
-parameters for the cluster. Please see **ganeti**(7) for more
+parameters for the cluster. Please see **ganeti**\(7) for more
information about supported key=value pairs.
The ``-C (--candidate-pool-size)`` option specifies the
``candidate_pool_size`` cluster parameter. This is the number of nodes
that the master will try to keep as master\_candidates. For more
-details about this role and other node roles, see the ganeti(7).
+details about this role and other node roles, see the **ganeti**\(7).
The ``--specs-...`` and ``--ipolicy-disk-templates`` options specify
instance policy on the cluster. For the ``--specs-...`` options, each
- ``--ipolicy-disk-templates`` limits the allowed disk templates
For details about how to use ``--hypervisor-state`` and ``--disk-state``
-have a look at **ganeti**(7).
+have a look at **ganeti**\(7).
+
+The ``--enabled-disk-templates`` option specifies a list of disk templates
+that can be used by instances of the cluster. For the possible values in
+this list, see **gnt-instance**\(8). Note that in contrast to the list of
+disk templates in the ipolicy, this list is a hard restriction. It is not
+possible to create instances with disk templates that are not enabled in
+the cluster. It is also not possible to disable a disk template when there
+are still instances using it.
MASTER-FAILOVER
~~~~~~~~~~~~~~~
| **modify** [\--submit]
| [\--vg-name *vg-name*]
-| [\--no-lvm-storage]
| [\--enabled-hypervisors *hypervisors*]
| [{-H|\--hypervisor-parameters} *hypervisor*:*hv-param*=*value*[,*hv-param*=*value*...]]
| [{-B|\--backend-parameters} *be-param*=*value*[,*be-param*=*value*...]]
| [\--specs-mem-size *spec-param*=*value* [,*spec-param*=*value*...]]
| [\--specs-nic-count *spec-param*=*value* [,*spec-param*=*value*...]]
| [\--ipolicy-disk-templates *template* [,*template*...]]
+| [\--enabled-disk-templates *template* [,*template*...]]
Modify the options for the cluster.
-The ``--vg-name``, ``--no-lvm-storage``, ``--enabled-hypervisors``,
-``-H (--hypervisor-parameters)``, ``-B (--backend-parameters)``,
-``-D (--disk-parameters)``, ``--nic-parameters``, ``-C
-(--candidate-pool-size)``, ``--maintain-node-health``,
+The ``--vg-name``, ``--enabled-hypervisors``, ``-H (--hypervisor-parameters)``,
+``-B (--backend-parameters)``, ``-D (--disk-parameters)``, ``--nic-parameters``,
+``-C (--candidate-pool-size)``, ``--maintain-node-health``,
``--prealloc-wipe-disks``, ``--uid-pool``, ``--node-parameters``,
-``--master-netdev``, ``--master-netmask`` and
-``--use-external-mip-script`` options are described in the **init**
+``--master-netdev``, ``--master-netmask``, ``--use-external-mip-script``,
+and ``--enabled-disk-templates`` options are described in the **init**
command.
The ``--hypervisor-state`` and ``--disk-state`` options are described in
-detail in **ganeti(7)**.
+detail in **ganeti**\(7).
The ``--add-uids`` and ``--remove-uids`` options can be used to
modify the user-id pool by adding/removing a list of user-ids or
The ``--specs-...`` and ``--ipolicy-disk-templates`` options are
described in the **init** command.
-See **ganeti(7)** for a description of ``--submit`` and other common
+See **ganeti**\(7) for a description of ``--submit`` and other common
options.
QUEUE
needed, but can be run if the **verify** complains about
configuration mismatches.
-See **ganeti(7)** for a description of ``--submit`` and other common
+See **ganeti**\(7) for a description of ``--submit`` and other common
options.
RENAME
them again once the new certificates and keys are replicated. The
options ``--new-cluster-certificate`` and ``--new-confd-hmac-key``
can be used to regenerate the cluster-internal SSL certificate
-respective the HMAC key used by ganeti-confd(8).
+respective the HMAC key used by **ganeti-confd**\(8).
To generate a new self-signed RAPI certificate (used by
-ganeti-rapi(8)) specify ``--new-rapi-certificate``. If you want to
+**ganeti-rapi**\(8)) specify ``--new-rapi-certificate``. If you want to
use your own certificate, e.g. one signed by a certificate
authority (CA), pass its filename to ``--rapi-certificate``.
projects / ganeti-local / blobdiff