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itminedu
snf-ganeti
Commits
4677a909
Commit
4677a909
authored
Nov 07, 2007
by
Michael Hanselmann
Browse files
Update docs for the removed --secondary-node option.
Reviewed-by: ultrotter
parent
7dd30006
Changes
4
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doc/admin.sgml
View file @
4677a909
...
...
@@ -183,11 +183,10 @@
<simpara><emphasis
role=
"strong"
>
Note:
</emphasis>
This is
only valid for multi-node clusters.
</simpara>
<simpara>
A mirror is set between the local node and a remote
one, which must be specified with the --secondary-node
option. Use this option to obtain a highly available
instance that can be failed over to a remote node
should the primary one fail.
A mirror is set between the local node and a remote one, which
must be specified with the second value of the --node option. Use
this option to obtain a highly available instance that can be
failed over to a remote node should the primary one fail.
</simpara>
</listitem>
</varlistentry>
...
...
@@ -197,8 +196,8 @@
<para>
For example if you want to create an highly available instance
use the remote_raid1 disk template:
<synopsis>
gnt-instance add -n
<replaceable>
TARGET_NODE
</replaceable>
-o
<replaceable>
OS_TYPE
</replaceable>
-t remote_raid1 \
--secondary-node=
<replaceable>
SECONDARY_NODE
</replaceable>
<replaceable>
INSTANCE_NAME
</replaceable></synopsis>
<synopsis>
gnt-instance add -n
<replaceable>
TARGET_NODE
</replaceable>
<optional>
:
<replaceable>
SECONDARY_NODE
</replaceable></optional>
-o
<replaceable>
OS_TYPE
</replaceable>
-t remote_raid1 \
<replaceable>
INSTANCE_NAME
</replaceable></synopsis>
<para>
To know which operating systems your cluster supports you can use:
...
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doc/install.sgml
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4677a909
...
...
@@ -810,13 +810,12 @@ creating os for instance inst1.example.com on node node1.example.com
To create a network mirrored instance, change the argument to
the
<option>
-t
</option>
option from
<literal>
plain
</literal>
to
<literal>
remote_raid1
</literal>
and specify the node on
which the mirror should reside with the
<option>
--
secondary-
node
</option>
option, like this:
which the mirror should reside with the
second value of the
<option>
--node
</option>
option, like this:
</para>
<screen>
# gnt-instance add -t remote_raid1 --secondary-node node1 \
-n node2 -o debian-etch instance2
# gnt-instance add -t remote_raid1 -n node1:node2 -o debian-etch instance2
* creating instance disks...
adding instance instance2 to cluster config
Waiting for instance instance1 to sync disks.
...
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@@ -827,7 +826,7 @@ Waiting for instance instance1 to sync disks.
- device sdb: 76.30% done, 72 estimated seconds remaining
- device sdb: 94.80% done, 18 estimated seconds remaining
Instance instance2's disks are in sync.
creating os for instance instance2 on node node
2
.example.com
creating os for instance instance2 on node node
1
.example.com
* running the instance OS create scripts...
* starting instance...
</screen>
...
...
man/gnt-backup.sgml
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4677a909
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...
@@ -91,7 +91,7 @@
<title>IMPORT</title>
<cmdsynopsis>
<command>import</command>
<arg choice="req">-n <replaceable>node</replaceable></arg>
<arg choice="req">-n <replaceable>node<
optional>:secondary-node</optional><
/replaceable></arg>
<arg>-s <replaceable>disksize</replaceable></arg>
<arg>-o <replaceable>os-type</replaceable></arg>
<arg>-m <replaceable>memsize</replaceable></arg>
...
...
@@ -171,29 +171,22 @@
<term>remote_raid1</term>
<listitem>
<para>
Disk devices will be md raid1 arrays with one
component (so
it's not actually raid1): a drbd device
between the instance's
primary node and the node given
by the option <option>--secondary
-node</option>.
Disk devices will be md raid1 arrays with one
component (so
it's not actually raid1): a drbd device
between the instance's
primary node and the node given
by the second value of the
<option>-
-node</option>
option
.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
<para>
The <option>--secondary-node</option> option is used with
the remote raid disk template type and specifies the remote
node.
</para>
<para>
If you do not want gnt-backup to wait for the disk mirror
to be synced, use the <option>--no-wait-for-sync</option>
option.
</para>
<para>
Example:
<screen>
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man/gnt-instance.sgml
View file @
4677a909
...
...
@@ -77,7 +77,7 @@
</group>
</arg>
<sbr>
<arg choice="req">-n <replaceable>node</replaceable></arg>
<arg choice="req">-n <replaceable>node<
optional>:secondary-node</optional><
/replaceable></arg>
<arg choice="req"><replaceable>instance</replaceable></arg>
</cmdsynopsis>
<para>
...
...
@@ -155,10 +155,10 @@
<term>remote_raid1</term>
<listitem>
<para>
Disk devices will be md raid1 arrays with one
component (so
it's not actually raid1): a drbd device
between the
instance's primary node and the node given
by the option
<option>--
secondary-
node</option>.
Disk devices will be md raid1 arrays with one
component (so
it's not actually raid1): a drbd device
between the
instance's primary node and the node given
by the second
value of the
<option>--node</option>
option
.
</para>
</listitem>
</varlistentry>
...
...
@@ -166,9 +166,8 @@
</para>
<para>
The <option>--secondary-node</option> option is used with
the remote raid disk template type and specifies the remote
node.
The optional second value of the <option>--node</option> is used for
the remote raid template type and specifies the remote node.
</para>
<para>
...
...
@@ -177,18 +176,15 @@
option.
</para>
<para>
Example:
<screen>
# gnt-instance add -t plain -s 30g -m 512 -o debian-etch \
-n node1.example.com instance1.example.com
# gnt-instance add -t remote_raid1 --secondary-node node3.example.com \
-s 30g -m 512 -o debian-etch \
-n node1.example.com instance2.example.com
# gnt-instance add -t remote_raid1 -s 30g -m 512 -o debian-etch \
-n node1.example.com:node2.example.com instance2.example.com
</screen>
</para>
</refsect3>
<refsect3>
...
...
@@ -275,7 +271,7 @@
<varlistentry>
<term>snodes</term>
<listitem>
<simpara>comma-separated list of secondary
-
nodes for the
<simpara>comma-separated list of secondary
nodes for the
instance; usually this will be just one node</simpara>
</listitem>
</varlistentry>
...
...
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