Commit da535d0d authored by Guido Trotter's avatar Guido Trotter
Browse files

admin guide updates for 2.7



- Mention the file-storage-paths config file
- Add information about sharedfile and ext storage types
- Change one manpage reference to a proper link
Signed-off-by: default avatarGuido Trotter <ultrotter@google.com>
Reviewed-by: default avatarMichele Tartara <mtartara@google.com>
parent e43f849c
......@@ -124,7 +124,18 @@ diskless
file
The instance will use plain files as backend for its disks. No
redundancy is provided, and this is somewhat more difficult to
configure for high performance.
configure for high performance. Note that for security reasons the
file storage directory must be listed under
``/etc/ganeti/file-storage-paths``, and that file is not copied
automatically to all nodes by Ganeti.
sharedfile
The instance will use plain files as backend, but Ganeti assumes that
those files will be available and in sync automatically on all nodes.
This allows live migration and failover of instances using this
method. As for ``file`` the file storage directory must be listed under
``/etc/ganeti/file-storage-paths`` or ganeti will refuse to create
instances under it.
plain
The instance will use LVM devices as backend for its disks. No
......@@ -146,6 +157,11 @@ rbd
The instance will use Volumes inside a RADOS cluster as backend for its
disks. It will access them using the RADOS block device (RBD).
ext
The instance will use an external storage provider. See
:manpage:`ganeti-extstorage-interface(7)` for how to implement one.
IAllocator
~~~~~~~~~~
......@@ -263,7 +279,7 @@ can give include, among others:
instance is created. The IP and/or bridge of the NIC can be changed
via ``--nic 0:ip=IP,bridge=BRIDGE``
See the manpage for gnt-instance for the detailed option list.
See :manpage:`ganeti-instance(8)` for the detailed option list.
For example if you want to create an highly available instance, with a
single disk of 50GB and the default memory size, having primary node
......
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