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storage: document gluster pool

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Add support for a new <pool type='gluster'>, similar to
RBD and Sheepdog.  Terminology wise, a gluster volume
forms a libvirt storage pool, within the gluster volume,
individual files are treated as libvirt storage volumes.

* docs/schemas/storagepool.rng (poolgluster): New pool type.
* docs/formatstorage.html.in: Document gluster.
* docs/storage.html.in: Likewise, and contrast it with netfs.
* tests/storagepoolxml2xmlin/pool-gluster.xml: New test.
* tests/storagepoolxml2xmlout/pool-gluster.xml: Likewise.
* tests/storagepoolxml2xmltest.c (mymain): Likewise.

Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Eric Blake
2013-10-15 17:06:18 -06:00
parent 318ea3cb77
commit ed5fa7f393
8 changed files with 168 additions and 7 deletions
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15
docs/formatstorage.html.in
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@@ -21,8 +21,10 @@
<code>iscsi</code>, <code>logical</code>, <code>scsi</code>
(all <span class="since">since 0.4.1</span>), <code>mpath</code>
(<span class="since">since 0.7.1</span>), <code>rbd</code>
(<span class="since">since 0.9.13</span>), or <code>sheepdog</code>
(<span class="since">since 0.10.0</span>). This corresponds to the
(<span class="since">since 0.9.13</span>), <code>sheepdog</code>
(<span class="since">since 0.10.0</span>),
or <code>gluster</code> (<span class="since">since
1.2.0</span>). This corresponds to the
storage backend drivers listed further along in this document.
</p>
<h3><a name="StoragePoolFirst">General metadata</a></h3>
@@ -101,7 +103,9 @@
path to the block device node. <span class="since">Since 0.4.1</span></dd>
<dt><code>dir</code></dt>
<dd>Provides the source for pools backed by directories (pool
type <code>dir</code>). May
type <code>dir</code>), or optionally to select a subdirectory
within a pool that resembles a filesystem (pool
type <code>gluster</code>). May
only occur once. Contains a single attribute <code>path</code>
which is the fully qualified path to the backing directory.
<span class="since">Since 0.4.1</span></dd>
@@ -129,7 +133,7 @@
<dt><code>host</code></dt>
<dd>Provides the source for pools backed by storage from a
remote server (pool types <code>netfs</code>, <code>iscsi</code>,
<code>rbd</code>, <code>sheepdog</code>). Will be
<code>rbd</code>, <code>sheepdog</code>, <code>gluster</code>). Will be
used in combination with a <code>directory</code>
or <code>device</code> element. Contains an attribute <code>name</code>
which is the hostname or IP address of the server. May optionally
@@ -160,7 +164,8 @@
<dt><code>name</code></dt>
<dd>Provides the source for pools backed by storage from a
named element (pool types <code>logical</code>, <code>rbd</code>,
<code>sheepdog</code>). Contains a string identifier.
<code>sheepdog</code>, <code>gluster</code>). Contains a
string identifier.
<span class="since">Since 0.4.5</span></dd>
<dt><code>format</code></dt>
<dd>Provides information about the format of the pool (pool