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* [Cluster-devel] conga/ricci docs/storage_api.html modules/stor ...
@ 2006-07-12 16:52 kupcevic
  0 siblings, 0 replies; 2+ messages in thread
From: kupcevic @ 2006-07-12 16:52 UTC (permalink / raw)
  To: cluster-devel.redhat.com

CVSROOT:	/cvs/cluster
Module name:	conga
Changes by:	kupcevic at sourceware.org	2006-07-12 16:52:56

Modified files:
	ricci/docs     : storage_api.html 
	ricci/modules/storage: LVM.cpp 
Added files:
	ricci/modules/storage: ClusterNotQuorateError.h 

Log message:
	storage module: prevent lvm tools to hang due to lack of cluster quorum

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/conga/ricci/docs/storage_api.html.diff?cvsroot=cluster&r1=1.3&r2=1.4
http://sourceware.org/cgi-bin/cvsweb.cgi/conga/ricci/modules/storage/ClusterNotQuorateError.h.diff?cvsroot=cluster&r1=NONE&r2=1.1
http://sourceware.org/cgi-bin/cvsweb.cgi/conga/ricci/modules/storage/LVM.cpp.diff?cvsroot=cluster&r1=1.3&r2=1.4

--- conga/ricci/docs/storage_api.html	2006/06/28 20:09:08	1.3
+++ conga/ricci/docs/storage_api.html	2006/07/12 16:52:56	1.4
@@ -5,7 +5,7 @@
 	<TITLE>Storage Module</TITLE>
 	<META NAME="GENERATOR" CONTENT="OpenOffice.org 1.1.2  (Linux)">
 	<META NAME="CREATED" CONTENT="20060410;13011800">
-	<META NAME="CHANGED" CONTENT="20060626;19014000">
+	<META NAME="CHANGED" CONTENT="20060712;12410300">
 </HEAD>
 <BODY LANG="en-US" DIR="LTR">
 <P>Storage module manages all aspects of storage. Supports partition
@@ -73,6 +73,11 @@
 	start clvmd: <BR>1. lvm2-cluster needs to be installed<BR>2. cluster
 	infrastructure needs to be started<BR>3. clvmd should be started
 	(service clvmd start)</P>
+	<LI><P>5 ??? cluster not quorate<BR>LVM is configured to use cluster
+	locking mechanism, but cluster is not quorate. That would cause LVM
+	operations to hang until quorum is regained. User should make
+	cluster quorate before continuing. 
+	</P>
 </UL>
 <P><BR><BR>
 </P>
/cvs/cluster/conga/ricci/modules/storage/ClusterNotQuorateError.h,v  -->  standard output
revision 1.1
--- conga/ricci/modules/storage/ClusterNotQuorateError.h
+++ -	2006-07-12 16:52:56.900818000 +0000
@@ -0,0 +1,41 @@
+/*
+  Copyright Red Hat, Inc. 2006
+
+  This program is free software; you can redistribute it and/or modify it
+  under the terms of the GNU General Public License as published by the
+  Free Software Foundation; either version 2, or (at your option) any
+  later version.
+
+  This program is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; see the file COPYING.  If not, write to the
+  Free Software Foundation, Inc.,  675 Mass Ave, Cambridge, 
+  MA 02139, USA.
+*/
+/*
+ * Author: Stanko Kupcevic <kupcevic@redhat.com>
+ */
+
+
+#ifndef ClusterNotQuorateError_h
+#define ClusterNotQuorateError_h
+
+#include "Except.h"
+
+
+class ClusterNotQuorateError : public Except
+{
+ public:
+  ClusterNotQuorateError()
+    : Except(5, std::string("Quorum required, but cluster not quorate")) {}
+  virtual ~ClusterNotQuorateError()
+    {}
+  
+};
+
+
+#endif  // ClusterNotQuorateError_h
--- conga/ricci/modules/storage/LVM.cpp	2006/06/28 20:09:08	1.3
+++ conga/ricci/modules/storage/LVM.cpp	2006/07/12 16:52:56	1.4
@@ -28,6 +28,7 @@
 #include "LV.h"
 #include "defines.h"
 #include "ClvmdError.h"
+#include "ClusterNotQuorateError.h"
 
 #include <vector>
 
@@ -690,10 +691,20 @@
 LVM::check_locking()
 {
   if (get_locking_type() == "2") {
-    // try to start clvmd, if not running
+    // check if quorate
     string out, err;
     int status;
     vector<string> args;
+    args.push_back("quorum");
+    if (utils::execute("/sbin/magma_tool", args, out, err, status))
+      throw string("execute failed");
+    if (status)
+      throw string("cluster tools: magma_tool errored");
+    if (out.find("Quorate") == out.npos)
+      throw ClusterNotQuorateError();
+    
+    // try to start clvmd, if not running
+    args.clear();
     args.push_back("clvmd");
     args.push_back("start");
     if (utils::execute("/sbin/service", args, out, err, status))



^ permalink raw reply	[flat|nested] 2+ messages in thread

* [Cluster-devel] conga/ricci docs/storage_api.html modules/stor ...
@ 2006-10-16 20:26 kupcevic
  0 siblings, 0 replies; 2+ messages in thread
From: kupcevic @ 2006-10-16 20:26 UTC (permalink / raw)
  To: cluster-devel.redhat.com

CVSROOT:	/cvs/cluster
Module name:	conga
Changes by:	kupcevic at sourceware.org	2006-10-16 20:26:48

Modified files:
	ricci/docs     : storage_api.html 
	ricci/modules/storage: StorageModule.cpp 

Log message:
	storage module: remove_mapper_source() - unimplemented function, here to satisfy API

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/conga/ricci/docs/storage_api.html.diff?cvsroot=cluster&r1=1.4&r2=1.5
http://sourceware.org/cgi-bin/cvsweb.cgi/conga/ricci/modules/storage/StorageModule.cpp.diff?cvsroot=cluster&r1=1.4&r2=1.5

--- conga/ricci/docs/storage_api.html	2006/07/12 16:52:56	1.4
+++ conga/ricci/docs/storage_api.html	2006/10/16 20:26:48	1.5
@@ -245,6 +245,32 @@
 		<P ALIGN=LEFT>On failure: <BR>- Any of errors specified above</P>
 	</UL>
 	<LI><P ALIGN=LEFT>remove_mapper_source</P>
+</UL>
+<UL>
+	<UL>
+		<P ALIGN=LEFT>Remove source from mapper. <BR>Source removal
+		procedure: <BR>1 ??? retrieve mapper<BR>2 ??? extract block 
+		device, which has alternative content, from &lt;sources/&gt; tag
+		 <BR>3 ??? submit block
+		device, from 2, and mapper attributes, using this function</P>
+		<P ALIGN=LEFT>Input variables: <BR>- ???bd??? (xml) ??? 
+		<A HREF="storage-bds.html">&lt;block_device/&gt;</A>, from
+		mapper's &lt;sources/&gt; tag, to be removed<BR>-
+		???mapper_type??? (string) ??? type of mapper from which source
+		is to be removed<BR>- ???mapper_id??? (string) ??? ID of mapper from
+		which source is to be removed<BR>- ???mapper_state_ind???
+		(string) ??? state indicator of mapper from which source is to
+		be removed</P>
+	</UL>
+</UL>
+<UL>
+	<UL>
+		<P ALIGN=LEFT>Output variables: <BR>- ???mapper??? (xml) ???
+		<A HREF="storage-mappers.html">&lt;mapper/&gt;</A> with source
+		removed 
+		</P>
+		<P ALIGN=LEFT>On failure: <BR>- Any of errors specified above</P>
+	</UL>
 	<LI><P ALIGN=LEFT>remove_mapper</P>
 </UL>
 <UL>
@@ -351,4 +377,4 @@
 <P ALIGN=LEFT><BR><BR>
 </P>
 </BODY>
-</HTML>
\ No newline at end of file
+</HTML>
--- conga/ricci/modules/storage/StorageModule.cpp	2006/08/10 22:53:09	1.4
+++ conga/ricci/modules/storage/StorageModule.cpp	2006/10/16 20:26:48	1.5
@@ -40,6 +40,7 @@
 static VarMap create_mapper(const VarMap& args);
 static VarMap remove_mapper(const VarMap& args);
 static VarMap add_sources(const VarMap& args);
+static VarMap remove_source(const VarMap& args);
 static VarMap modify_mapper(const VarMap& args);
 static VarMap create_bd(const VarMap& args);
 static VarMap get_bd(const VarMap& args);
@@ -69,9 +70,10 @@
   
   api_1_0["get_mapper_templates"]               = get_mapper_templates;
   api_1_0["create_mapper"]                      = create_mapper;
+  api_1_0["modify_mapper"]                      = modify_mapper;
   api_1_0["remove_mapper"]                      = remove_mapper;
   api_1_0["add_mapper_sources"]                 = add_sources;
-  api_1_0["modify_mapper"]                      = modify_mapper;
+  api_1_0["remove_mapper_source"]               = remove_source;
   
   api_1_0["create_bd"]                          = create_bd;
   api_1_0["get_bd"]                             = get_bd;
@@ -267,6 +269,51 @@
   return ret;
 }
 
+VarMap 
+remove_source(const VarMap& args)
+{
+  String mapper_type, mapper_id, mapper_state_ind;
+  XMLObject bd;
+  try {
+    VarMap::const_iterator iter = args.find("mapper_type");
+    if (iter == args.end())
+      throw APIerror("missing mapper_type variable");
+    mapper_type = iter->second.get_string();
+    
+    iter = args.find("mapper_id");
+    if (iter == args.end())
+      throw APIerror("missing mapper_id variable");
+    mapper_id = iter->second.get_string();
+    
+    iter = args.find("mapper_state_ind");
+    if (iter == args.end())
+      throw APIerror("missing mapper_state_ind variable");
+    mapper_state_ind = iter->second.get_string();
+    
+    iter = args.find("bd");
+    if (iter == args.end())
+      throw APIerror("missing bd variable");
+    bd = iter->second.get_XML();
+  } catch ( String e ) {
+    throw APIerror(e);
+  }
+  
+  throw String("remove_mapper_source() function not implemented");
+  
+  /*
+  BDParsed parsed_bd(bd);
+  counting_auto_ptr<Mapper> mapper = MapperFactory::remove_source(mapper_type,
+								  mapper_id,
+								  mapper_state_ind,
+								  parsed_bd);
+  
+  Variable var("mapper", mapper->xml());
+  VarMap ret;
+  ret.insert(pair<String, Variable>(var.name(), var));
+  return ret;
+  */
+}
+
 
 VarMap 
 create_bd(const VarMap& args)



^ permalink raw reply	[flat|nested] 2+ messages in thread

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