From 1e3463f1efb5de1fb6878eb15d50444664bb23f3 Mon Sep 17 00:00:00 2001
From: Michael Hanselmann <hansmi@google.com>
Date: Fri, 14 Aug 2009 17:49:10 +0200
Subject: [PATCH] =?UTF-8?q?Implement=20=E2=80=9Cgnt-node=20repair-volume?=
=?UTF-8?q?=E2=80=9D?=
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Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>
---
man/gnt-node.sgml | 35 +++++++++++++++++++++++++++++++++++
scripts/gnt-node | 24 ++++++++++++++++++++++++
2 files changed, 59 insertions(+)
diff --git a/man/gnt-node.sgml b/man/gnt-node.sgml
index 5180cd79b..840d31ef2 100644
--- a/man/gnt-node.sgml
+++ b/man/gnt-node.sgml
@@ -854,6 +854,41 @@ node5.example.com /dev/sdb1 698.6G 1.3G 697.4G
</para>
</refsect2>
+ <refsect2>
+ <title>REPAIR-VOLUME</title>
+
+ <cmdsynopsis>
+ <command>repair-volume</command>
+ <arg><replaceable>node</replaceable></arg>
+ <arg><replaceable>storage-type</replaceable></arg>
+ <arg><replaceable>volume-name</replaceable></arg>
+ </cmdsynopsis>
+
+ <para>
+ Repairs a storage volume on a node. Only LVM volume groups can be
+ repaired at this time. They have the storage type
+ <quote>lvm-vg</quote>.
+ </para>
+
+ <para>
+ On LVM volume groups, <command>repair-volume</command> runs
+ <quote>vgreduce --removemissing</quote>.
+ </para>
+
+ <caution>
+ <para>
+ Running this command can lead to data loss. Use it with care.
+ </para>
+ </caution>
+
+ <para>
+ Example:
+ <screen>
+# gnt-node repair-volume node5.example.com lvm-vg xenvg
+ </screen>
+ </para>
+ </refsect2>
+
<refsect2>
<title>POWERCYCLE</title>
diff --git a/scripts/gnt-node b/scripts/gnt-node
index 1908c40a3..6b0302c30 100755
--- a/scripts/gnt-node
+++ b/scripts/gnt-node
@@ -541,6 +541,26 @@ def ModifyVolume(opts, args):
SubmitOpCode(op)
+def RepairVolume(opts, args):
+ """Repairs a storage volume on a node.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should contain 3 items: node name, storage type and volume name
+ @rtype: int
+ @return: the desired exit code
+
+ """
+ (node_name, user_storage_type, volume_name) = args
+
+ storage_type = ConvertStorageType(user_storage_type)
+
+ op = opcodes.OpRepairNodeStorage(node_name=node_name,
+ storage_type=storage_type,
+ name=volume_name)
+ SubmitOpCode(op)
+
+
def SetNodeParams(opts, args):
"""Modifies a node.
@@ -688,6 +708,10 @@ commands = {
],
"<node_name> <storage_type> <name>",
"Modify storage volume on a node"),
+ 'repair-volume': (RepairVolume, ARGS_FIXED(3),
+ [DEBUG_OPT],
+ "<node_name> <storage_type> <name>",
+ "Repairs a storage volume on a node"),
'list-tags': (ListTags, ARGS_ONE, [DEBUG_OPT],
"<node_name>", "List the tags of the given node"),
'add-tags': (AddTags, ARGS_ATLEAST(1), [DEBUG_OPT, TAG_SRC_OPT],
--
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