11gR2 Verification of shared storage accessibility

Friends,
I do not understand how is this possible. I am trying to apply 11.2.0.2.5 psu on a 2-node cluster running on RHEL 5.5 vms. Followed ORACLE-BASE examples when installed this laptop RAC.
I am not using any ACFS and none of GI and DB homes are shared. But, on node 2, cluvfy THINKS database home is shared.
[oracle@rac1 trace]$ /oracle_grid/product/11.2.0.2/bin/cluvfy comp ssa -t software -s /oracle/product/11.2.0.2/db_1 -n rac1,rac2 -display_status
Verifying shared storage accessibility
Checking shared storage accessibility...
"/oracle/product/11.2.0.2/db_1" is not shared
Shared storage check failed on nodes "rac2,rac1"
Verification of shared storage accessibility was unsuccessful on all the specified nodes.
NODE_STATUS::rac2:VFAIL
NODE_STATUS::rac1:VFAIL
OVERALL_STATUS::VFAIL
[oracle@rac1 trace]$ /oracle_grid/product/11.2.0.2/bin/cluvfy comp ssa -t software -s /oracle_grid/product/11.2.0.2 -n rac1,rac2 -display_status
Verifying shared storage accessibility
Checking shared storage accessibility...
"/oracle_grid/product/11.2.0.2" is not shared
Shared storage check failed on nodes "rac2,rac1"
Verification of shared storage accessibility was unsuccessful on all the specified nodes.
NODE_STATUS::rac2:VFAIL
NODE_STATUS::rac1:VFAIL
OVERALL_STATUS::VFAIL
[oracle@rac1 trace]$ hostname
rac1
[oracle@rac1 trace]$ echo $ORACLE_HOSTNAME
rac1
[oracle@rac1 trace]$
[oracle@rac2 trace]$ /oracle_grid/product/11.2.0.2/bin/cluvfy comp ssa -t software -s /oracle/product/11.2.0.2/db_1 -n rac1,rac2 -display_status
Verifying shared storage accessibility
Checking shared storage accessibility...
"/oracle/product/11.2.0.2/db_1" is shared
Shared storage check was successful on nodes "rac2,rac1"
Verification of shared storage accessibility was successful.
NODE_STATUS::rac2:SUCC
NODE_STATUS::rac1:SUCC
OVERALL_STATUS::SUCC
[oracle@rac2 trace]$ /oracle_grid/product/11.2.0.2/bin/cluvfy comp ssa -t software -s /oracle_grid/product/11.2.0.2/ -n rac1,rac2 -display_status
Verifying shared storage accessibility
Checking shared storage accessibility...
"/oracle_grid/product/11.2.0.2/" is not shared
Shared storage check failed on nodes "rac2,rac1"
Verification of shared storage accessibility was unsuccessful on all the specified nodes.
NODE_STATUS::rac2:VFAIL
NODE_STATUS::rac1:VFAIL
OVERALL_STATUS::VFAIL
[oracle@rac2 trace]$ hostname
rac2
[oracle@rac2 trace]$ echo $ORACLE_HOSTNAME
rac2
[oracle@rac2 trace]$
I can not determine any reasons and do not know how to fix.
Any help?
Thank you.

Hi,
CLUFVY COMP SSA checks if the used storage/location is shared.
If you do "cluvfy comp ssa -t software" cluvfy checks if your software home is shared.
It tells you it is not. Hence the checks fails (which is correct, because you said DB Home is not shared).
So where is the problem?
CLUVFY COMP SSA only makes sense to check the sharedness. If it is not shared, then there is no sense in testing for it.
Regards
Sebastian

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Runcluvfy.bat comp ssa - Shared storage check failed

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Shared storage check failed on nodes

hi friends,
I am installing rac 10g on vmware and os is OEL4.i completed all the prerequisites but when i run the below command
./runclufy stage -post hwos -n rac1,rac2, i am facing below error.
node connectivity check failed.
Checking shared storage accessibility...
WARNING:
Unable to determine the sharedness of /dev/sde on nodes:
rac2,rac2,rac2,rac2,rac2,rac1,rac1,rac1,rac1,rac1
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poorna.
Edited by: 958010 on 3 Oct, 2012 9:47 PM

Hello,
It seems that your storage is not accessible from both the nodes. If you want you can follow these steps to configure 10g RAC on VMware.
Steps to configure Two Node 10 RAC on RHEL-4
Remark-1: H/W requirement for RAC
a) 4 Machines
1. Node1
2. Node2
3. storage
4. Grid Control
b) 2 switchs
c) 6 straight cables
Remark-2: S/W requirement for RAC
a) 10g cluserware
b) 10g database
Both must have the same version like (10.2.0.1.0)
Remark-3: RPMs requirement for RAC
a) all 10g rpms (Better to use RHEL-4 and choose everything option to install all the rpms)
b) 4 new rpms are required for installations
1. compat-gcc-7.3-2.96.128.i386.rpm
2. compat-gcc-c++-7.3-2.96.128.i386.rpm
3. compat-libstdc++-7.3-2.96.128.i386.rpm
4. compat-libstdc++-devel-7.3-2.96.128.i386.rpm
------------ Start Machine Preparation --------------------
1. Prepare 3 machines
i. node1.oracle.com
etho (192.9.201.183) - for public network
eht1 (10.0.0.1) - for private n/w
gateway (192.9.201.1)
subnet (255.255.255.0)
ii. node2.oracle.com
etho (192.9.201.187) - for public network
eht1 (10.0.0.2) - for private n/w
gateway (192.9.201.1)
subnet (255.255.255.0)
iii. openfiler.oracle.com
etho (192.9.201.182) - for public network
gateway (192.9.201.1)
subnet (255.255.255.0)
NOTE:-
-- Here eth0 of all the nodes should be connected by Public N/W using SWITCH-1
-- eth1 of all the nodes should be connected by Private N/W using SWITCH-2
2. network Configuration
#vim /etc/host
192.9.201.183 node1.oracle.com node1
192.9.201.187 node2.oracle.com node2
192.9.201.182 openfiler.oracle.com openfiler
10.0.0.1 node1-priv.oracle.com node1
10.0.0.2 node2-priv.oracle.com node2-priv
192.9.201.184 node1-vip.oracle.com node1-vip
192.9.201.188 node2-vip.oracle.com node2-vip
2. Prepare Both the nodes for installation
a. Set Kernel Parameters (/etc/sysctl.conf)
kernel.shmall = 2097152
kernel.shmmax = 2147483648
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
fs.file-max = 65536
net.ipv4.ip_local_port_range = 1024 65000
net.core.rmem_default = 262144
net.core.rmem_max = 262144
net.core.wmem_default = 262144
net.core.wmem_max = 262144
b. Configure /etc/security/limits.conf file
oracle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile 1024
oracle hard nofile 65536
c. Configure /etc/pam.d/login file
session required /lib/security/pam_limits.so
d. Create user and groups on both nodes
# groupadd oinstall
# groupadd dba
# groupadd oper
# useradd -g oinstall -G dba oracle
# passwd oracle
e. Create required directories and set the ownership and permission.
# mkdir –p /u01/crs1020
# mkdir –p /u01/app/oracle/product/10.2.0/asm
# mkdir –p /u01/app/oracle/product/10.2.0/db_1
# chown –R oracle:oinstall /u01/
# chmod –R 755 /u01/
f. Set the environment variables
$ vi .bash_profile
ORACLE_BASE=/u01/app/oracle/; export ORACLE_BASE
ORA_CRS_HOME=/u01/crs1020; export ORA_CRS_HOME
#LD_ASSUME_KERNEL=2.4.19; export LD_ASSUME_KERNEL
#LANG=”en_US”; export LANG
3. storage configuration
PART-A Open-filer Set-up
Install openfiler on a machine (Leave 60GB free space on the hdd)
a) Login to root user
b) Start iSCSI target service
# service iscsi-target start
# chkconfig –level 345 iscsi-target on
PART –B Configuring Storage on openfiler
a) From any client machine open the browser and access openfiler console (446 ports).
https://192.9.201.182:446/
b) Open system tab and update the local N/W configuration for both nodes with netmask (255.255.255.255).
c) From the Volume tab click "create a new physical volume group".
d) From "block Device managemrnt" click on "(/dev/sda)" option under 'edit disk' option.
e) Under "Create a partition in /dev/sda" section create physical Volume with full size and then click on 'CREATE'.
f) Then go to the "Volume Section" on the right hand side tab and then click on "Volume groups"
g) Then under the "Create a new Volume Group" specify the name of the volume group (ex- racvgrp) and click on the check box and then click on "Add Volume Group".
h) Then go to the "Volume Section" on the right hand side tab and then click on "Add Volumes" and then specify the Volume name (ex- racvol1) and use all space and specify the "Filesytem/Volume type" as ISCSI and then click on CREATE.
i) Then go to the "Volume Section" on the right hand side tab and then click on "iSCSI Targets" and then click on ADD button to add your Target IQN.
j) then goto the 'LUN Mapping" and click on "MAP".
k) then goto the "Network ACL" and allow both node from there and click on UPDATE.
Note:- To create multiple volumes with openfiler we need to use Multipathing that is quite complex that’s why here we are going for a single volume. Edit the property of each volume and change access to allow.
f) install iscsi-initiator rpm on both nodes to acces iscsi disk
#rpm -ivh iscsi-initiator-utils-----------
g) Make entry in iscsi.conf file about openfiler on both nodes.
#vim /etc/iscsi.conf (in RHEL-4)
and in this file you will get a line "#DiscoveryAddress=192.168.1.2" remove comment and specify your storage ip address here.
OR
#vim /etc/iscsi/iscsi.conf (in RHEL-5)
and in this file you will get a line "#ins.address = 192.168.1.2" remove comment and specify your storage ip address here.
g) #service iscsi restart (on both nodes)
h) From both Nodes fire this command to access volume of openfiler-
# iscsiadm -m discovery -t sendtargets -p 192.2.201.182
i) #service iscsi restart (on both nodes)
j) #chkconfig –level 345 iscsi on (on both nodes)
k) make the partition 3 primary and 1 extended and within extended make 11 logical partition
A. Prepare partitions
1. #fdisk /dev/sdb
:e (extended)
Part No. 1
First Cylinder:
Last Cylinder:
:p
:n
:l
First Cylinder:
Last Cylinder: +1024M
2. Note the /dev/sdb* names.
3. #partprobe
4. Login as root user on node2 and run partprobe
B. On node1 login as root user and create following raw devices
# raw /dev/raw/raw5 /dev/sdb5
#raw /dev/raw/taw6 /dev/sdb6
# raw /dev/raw/raw12 /dev/sdb12
Run ls –l /dev/sdb* and ls –l /dev/raw/raw* to confirm the above
-Repeat the same thing on node2
C. On node1 as root user
# vi .etc/sysconfig/rawdevices
/dev/raw/raw5 /dev/sdb5
/dev/raw/raw6 /dev/sdb6
/dev/raw/raw7 /dev/sdb7
/dev/raw/raw8 /dev/sdb8
/dev/raw/raw9 /dev/sdb9
/dev/raw/raw10 /dev/sdb10
/dev/raw/raw11 /dev/sdb11
/dev/raw/raw12 /dev/sdb12
/dev/raw/raw13 /dev/sdb13
/dev/raw/raw14 /dev/sdb14
/dev/raw/raw15 /dev/sdb15
D. Restart the raw service (# service rawdevices restart)
#service rawdevices restart
Assigning devices:
/dev/raw/raw5 --> /dev/sdb5
/dev/raw/raw5: bound to major 8, minor 21
/dev/raw/raw6 --> /dev/sdb6
/dev/raw/raw6: bound to major 8, minor 22
/dev/raw/raw7 --> /dev/sdb7
/dev/raw/raw7: bound to major 8, minor 23
/dev/raw/raw8 --> /dev/sdb8
/dev/raw/raw8: bound to major 8, minor 24
/dev/raw/raw9 --> /dev/sdb9
/dev/raw/raw9: bound to major 8, minor 25
/dev/raw/raw10 --> /dev/sdb10
/dev/raw/raw10: bound to major 8, minor 26
/dev/raw/raw11 --> /dev/sdb11
/dev/raw/raw11: bound to major 8, minor 27
/dev/raw/raw12 --> /dev/sdb12
/dev/raw/raw12: bound to major 8, minor 28
/dev/raw/raw13 --> /dev/sdb13
/dev/raw/raw13: bound to major 8, minor 29
/dev/raw/raw14 --> /dev/sdb14
/dev/raw/raw14: bound to major 8, minor 30
/dev/raw/raw15 --> /dev/sdb15
/dev/raw/raw15: bound to major 8, minor 31
done
E. Repeat the same thing on node2 also
F. To make these partitions accessible to oracle user fire these commands from both Nodes.
# chown –R oracle:oinstall /dev/raw/raw*
# chmod –R 755 /dev/raw/raw*
F. To make these partitions accessible after restart make these entry on both nodes
# vi /etc/rc.local
Chown –R oracle:oinstall /dev/raw/raw*
Chmod –R 755 /dev/raw/raw*
4. SSH configuration (User quivalence)
On node1:- $ssh-keygen –t rsa
$ssh-keygen –t dsa
On node2:- $ssh-keygen –t rsa
$ssh-keygen –t dsa
On node1:- $cd .ssh
$cat *.pub>>node1
On node2:- $cd .ssh
$cat *.pub>>node2
On node1:- $scp node1 node2:/home/oracle/.ssh
On node2:- $scp node2 node2:/home/oracle/.ssh
On node1:- $cat node*>>authowized_keys
On node2:- $cat node*>>authowized_keys
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$ vim a.sh
ssh node1 hostname
ssh node2 hostname
ssh node1-priv hostname
ssh node2-priv hostname
$ chmod +x a.sh
$./a.sh
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On node1 :-$cd /…/stage…/cluster…/cluvfy
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During Configuration RAC
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Verification of shared storage accessiblity was unsuccessful on all the nodes.
Need suggestion

I don't know. I don't know whether my knowledge is useful in your situation.
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Perhaps you might open a service request with Oracle. Or just assume it is and proceed.
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The best option to create a shared storage for Oracle 11gR2 RAC in OEL 5?

Hello,
Could you please tell me the best option to create a shared storage for Oracle 11gR2 RAC in Oracel Enterprise Linux 5? in production environment? And could you help to create shared storage? Because there is no additional step in Oracle installation guide. There are steps for only asm disk creation.
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Node 1
[root@rac1 home]# ll /dev/sd*
brw-r----- 1 root disk 8, 0 Aug 8 17:39 /dev/sda
brw-r----- 1 root disk 8, 1 Aug 8 17:40 /dev/sda1
brw-r----- 1 root disk 8, 16 Aug 8 17:39 /dev/sdb
brw-r----- 1 root disk 8, 17 Aug 8 17:39 /dev/sdb1
brw-r----- 1 root disk 8, 32 Aug 8 17:40 /dev/sdc
brw-r----- 1 root disk 8, 48 Aug 8 17:41 /dev/sdd
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brw-r----- 1 root disk 8, 65 Aug 8 18:43 /dev/sde1
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brw-r----- 1 root disk 8, 81 Aug 8 18:43 /dev/sdf1
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brw-r----- 1 root disk 8, 97 Aug 8 18:43 /dev/sdg1
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255 heads, 63 sectors/track, 8844 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
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Disk /dev/sdb: 72.7 GB, 72746008576 bytes
255 heads, 63 sectors/track, 8844 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
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Device Boot Start End Blocks Id System
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255 heads, 63 sectors/track, 17784 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
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255 heads, 63 sectors/track, 53352 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
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255 heads, 63 sectors/track, 53352 cylinders
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Device Boot Start End Blocks Id System
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brw-r----- 1 root disk 8, 2 Aug 8 17:50 /dev/sda2
brw-r----- 1 root disk 8, 16 Aug 8 17:51 /dev/sdb
brw-r----- 1 root disk 8, 32 Aug 8 17:52 /dev/sdc
brw-r----- 1 root disk 8, 33 Aug 8 18:54 /dev/sdc1
brw-r----- 1 root disk 8, 48 Aug 8 17:52 /dev/sdd
brw-r----- 1 root disk 8, 64 Aug 8 17:52 /dev/sde
brw-r----- 1 root disk 8, 65 Aug 8 18:54 /dev/sde1
brw-r----- 1 root disk 8, 80 Aug 8 17:52 /dev/sdf
brw-r----- 1 root disk 8, 81 Aug 8 18:54 /dev/sdf1
[root@rac2 ~]# fdisk -l
Disk /dev/sda: 145.4 GB, 145492017152 bytes
255 heads, 63 sectors/track, 17688 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
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255 heads, 63 sectors/track, 17784 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
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Disk /dev/sdd: 20 MB, 20971520 bytes
1 heads, 40 sectors/track, 1024 cylinders
Units = cylinders of 40 * 512 = 20480 bytes
Device Boot Start End Blocks Id System
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255 heads, 63 sectors/track, 53352 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
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Disk /dev/sdf: 438.8 GB, 438835347456 bytes
255 heads, 63 sectors/track, 53352 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdf1 1 53352 428549908+ 83 Linux
[root@rac2 ~]#
Thank you.
Edited by: user12144220 on Aug 10, 2011 1:10 AM
Edited by: user12144220 on Aug 10, 2011 1:11 AM
Edited by: user12144220 on Aug 10, 2011 1:13 AM

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Andreas
P.S. I'll churn out brownie points by the bucketload for any helpful answers
MacBook Pro & MacMini Mac OS X (10.4.7)

This seems to me related to this problem
http://discussions.apple.com/thread.jspa?threadID=795814&tstart=30
I think it's the mixture of wired and wireless in combination with certain routers.

Shared Storage is not showing in SErver pool physical disk .

Hi i have added couple of images to give you exact picture what i am doing .. please have a look
OVM can see Shared storage from Openfiler
http://www.picpanda.com/viewer.php?file=u1pf8hre1oqufkx6vyr3.gif
OVM , SErver Pool (physical disk ) can see Shared Storage name
http://www.picpanda.com/viewer.php?file=0h2dn48x6gh5avr6fob.gif
OVM does not show the physical disk from Shared storage
http://www.picpanda.com/viewer.php?file=c3njd7bg4exyjpymsit.gif
if i remmeber, When i tryed with NFS share from openfiler, its worked before ... but this time i am trying with ISCSI target ..
thanks
is there any thing do i have to do to make it work ??

Fosiul wrote:
if i remmeber, When i tryed with NFS share from openfiler, its worked before ... but this time i am trying with ISCSI target ..
is there any thing do i have to do to make it work ??Check to see if the physical disk appears under the default volume group for your san. If not, refresh the san and wait until it does. Also, make sure you have an admin server configured for that san and that your Oracle VM servers are in the default access group.

Concurrent users unable to open a shared Microsoft Access MDB database

I have a share on a Cisco NSS2000, the NSS is in Workgroup mode (Firmware 1.13).
Every user have read/write rights on this share.
When I try to open an access MDB database from this share it happens that only a single user at time can open the database.
The second user that try to open the database get a "Cannot lock file" error message.
So, when a user has the Access DB opened, no-one other can open (or connect to) the same DB.
It's impossible to open the DB using the access IDE ("Cannot lock file" error message).
It's impossible to make multiple connection to the DB using OleDB ("Cannot lock file" error message).
I've tried give full access to the mdb file.
I've tried give full access to the mdb folder.
I've even tried to give full access to the temporary LDB file.
I always get the same error message.
Is there a workaround?
Thanks, Max

I've finally been able to update the firmware to the latest 1.16.
Now everything works fine, problem solved! :)
Thanks,
Max
catung wrote:Max,Please update your firmware to the latest posted version, 1.16.Thanks-carl--Carl TungSBTG - PE, Storage
From: IsiSviluppo <[email protected]>
Reply-To: "[email protected]"
<[email protected]>
Date: Wed, 07 Apr 2010 00:07:20 -0600
To: Carl Tung <[email protected]>
Subject: Small Business Network Storage New message: "Concurrent users
unable to open a shared Microsoft Access MDB database" YbIMb-16E-b7l
catung,
A new message was posted in the thread "Concurrent users unable to open a
shared Microsoft Access MDB database":
https://www.myciscocommunity.com/message/42739#42739
Author : IsiSviluppo
Profile : https://www.myciscocommunity.com/people/IsiSviluppo
Message:

How do i move files from ipad to shared storage, how do i move files from ipad to shared storage

I have run out of room on my 64GB iPad. It contains two series of a TV program and I want to keep the episodes. However I would like to be able to get at these episodes wherever I am located be it in Australia, Europe or the USA so would like to have them located in shared storage. What is the best way to achieve this. I am somewhat confused with my choices and my last update experience of losing a number of movies makes me nervous. Any suggestions would be great. Thanks

All of your purchases are available free again from the stores. You can delete them and when you want to access them again just go to the store under purchased and select the ones you want. I do this all the time on my 16 gig ipad.

Shared Storage RAC

Hello,
This is my Oracle RAC 11gR2 real world installation, I need to configure the shared storage for RAC 2 nodes on redhat enterprise linux 5.
could please send me a step by step how to do it? I want to use Device Mapper Multipath for that and ASM for Storage.
Thank you

899660 wrote:
Hello,
This is my Oracle RAC 11gR2 real world installation, I need to configure the shared storage for RAC 2 nodes on redhat enterprise linux 5.
could please send me a step by step how to do it? I want to use Device Mapper Multipath for that and ASM for Storage.
Thank youHi,
Shared storage is a hardware device, which cant be created by you. Ofcourse you can use that shared device to configure ASM.
Check the below links
http://martincarstenbach.wordpress.com/2010/11/16/configuration-device-mapper-multipath-on-oel5-update-5/
http://www.oracle.com/technetwork/database/device-mapper-udev-crs-asm.pdf

Problem of using OCFS2 as shared storage to install RAC 10g on VMware

Hi, all
I am installing a RAC 10g cluster with two linux nodes on VMware. I created a shared 5G disk for the two nodes as shared storage partition. By using OCFS2 tools, i formatted this shared storage partition and successfully auto mounted it on both nodes.
Before installing, i use the command "runcluvfy.sh stage -pre crsinst -n node1,node2" to determine the installation prerequisites. Everything is ok except an error "Could not find a suitable set of interfaces for VIPs.". By searching the web, i found this error could be safely ignored.
The OCFS2 works well on both nodes, i formatted the shared partition as ocfs2 file system and configure o2bc to auto start ocfs service. I mounted the shared disk on both nodes at /ocfs directory. By adding an entry into both nodes' /etc/fstab, this partition can be auto mounted at system boots. I could access files in shared partition on both nodes.
My problem is that, when installing clusterware, at the stage "Specify Oracle Cluster Registry", I enter "/ocfs/OCRFILE" for Specify OCR Location and "/ocfs/OCRFILE_Mirror" for Specify OCR Mirror Location. But got an error as following:
----- Error Message ----
The location /ocfs/OCRFILE, entered for the Oracle Cluster Registry(OCR) is not shared across all the nodes in the cluster. Specify a shared raw partition or cluster file system that is visible by the same name on all nodes of the cluster.
------ Error Message ---
I don't know why the OUI can't recognize /ocfs as shared partition. On both nodes, using command "mounted.ocfs2 -f", i can get the result:
Device FS Nodes
/dev/sdb1 ocfs2 node1, node2
What's the possible wrong? Any help is appreciated!
Addition information:
1) uname -r
2.6.9-42.0.0.0.1.EL
2) Permission of shared partition
$ls -ld /ocfs/
drwxrwxr-x 6 oracle dba 4096 Aug 3 18:22 /ocfs/

Hello
I am not sure how far this following solution is relevant to your problem (regardless when it was originally posted - may help someone who is reading this thread), here is what I faced and here is how I fixed it:
I was setting up RAC using VMWare. I prepared rac1 [installed OS, configured disks, users, etc] and the made a copy of it as rac2. So far so good. When, as per the guide I was following for RAC configuration, I started OCFS2 configuration, faced the following error on RAC2 when I tried to mount the /dev/adb1:
===================================================
[Root @ *rac2* ~] # mount - t ocfs2 - o datavolume, nointr / dev / sdb1 / ocfs
ocfs2_hb_ctl: OCFS2 DIRECTORY corrupted WHILE reading uuid ocfs2_hb_ctl: OCFS2 DIRECTORY corrupted WHILE reading uuid
mount.ocfs2: Error WHEN attempting TO run / sbin / ocfs2_hb_ctl: "Operation not permitted" mount.ocfs2: Error WHEN attempting TO run / sbin / ocfs2_hb_ctl: "Operation not permitted"
===================================================
After a lot of "googling around", I finally bumped into a page, the kind person who posted the solution said [in my words below and more detailed ]:
o shutdown both rac1 and rac2
o in VMWare, "edit virtual machine settings" for rac1
o remove the disk [make sure you drop the correct one]
o recreate it and select *"allocate all disk space now"* [with same name and in the same directory where it was before]
o start rac1 and login as *"root"* and *"fdisk /dev/sdb"* [or whichever is/was your disk where you r installing ocfs2]
Once done, repeat the steps for configuring OCFS2. I was successfully able to mount the disk on both machines.
All this problem was apparently caused by not choosing "allocate all disk space now" option while creating the disk to be used for OCFS2.
If you still have any questions or problem, email me at [email protected] and I'll try to get back to you at my earliest.
Good luck!
Muhammad Amer
[email protected]

WRT610N Shared Storage

I recently purchased a WRT610N and have been having some problems setting up the USB shared storage feature. I have a 1.5 Terabyte Seagate drive that I have created two partiions on (I had read elsewhere in the forums that the WRT610N only handled partitions/dirves up to 1 TB). Both partitions are NTFS with the first one being 976,561 GB and the second one being 420,700 GB. Both drives show up in the "Disk" section of the admin console and I can create/define a share for the larger of the two partitions without any problems.
The first of my problems comes when I try to create/define a share for the smaller partition. I can create a share but the admin console does not save the access privleges that I assign to it. Despite setting them up in the admin console they don't show up when I go back and look (in both the detail and summary views) the Access rights show as blank. I do not have this issue with the larger partition where I can add and later view groups in the Access section.
The second problem comes when I try to attach to the larger share from a network client. I can look at the shares if I use ..........Start - Run - and Type \\192.168.1.1. If I enter in my admin User ID and password, I can see the new share on the WRT610N. When I try to double click on it, I am then pompted again for a Username & Password, When I try to re-enter the admin user ID and password, the logon comes right back to me with "WRT610n\admin" populated in the User ID field. From there it won't accept the admin password. There are no error messages.
Help with either problem would be appreciated.

When you select your Storage partition and open it, and if it ask you for the Username and Password, thats the username and password is of your storage drive, Might be you must have set some password for your storage drivers.
Login to your Routers GUI. and click on the Storage Tab and Below you will find the Sub tab "Administration" click on it, if you wish you can Modify the "admin" rights, Like change the password or else you can Create your Own User and password. So whenever you login to your Storage Partition, and it ask for the username and password then you can input that username and password and click OK. This way you will be able to access your Storage Driver.

11gR2 Verification of shared storage accessibility

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