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Full Discussion: NFS mounts query
Operating Systems Linux Red Hat NFS mounts query Post 302874853 by ikn3 on Sunday 17th of November 2013 02:53:42 PM
Old 11-17-2013
Hello, sorry was caught up with few things.
Answer's to questions:
1. OS - Red Hat 5.5
2. Cluster Software: Oracle RAC.
3. Database: Oracle 11g
4. It is not a separate volume group.
5. Volume group can be accesssed from both sides. We have had complaints from DB team that Backups cannot be initiated from Node2 which is the client.
6. NO cluster on the OS level. DB cluster does fail over.

Peasant: Our storage engineer said we cannot have a local ext3 mount shared between 2 nodes cause of Fiber channels protocols. We could do it if we had a OS level cluster
 

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mounted.ocfs2(8)						OCFS2 Manual Pages						  mounted.ocfs2(8)

NAME
mounted.ocfs2 - Detects all OCFS2 volumes on a system. SYNOPSIS
mounted.ocfs2 [-d] [-f] [device] DESCRIPTION
mounted.ocfs2 is used to detect OCFS2 volume(s) on a system. This tool assumes that the nodes detected on the system are part of the same cluster as the one specified in /etc/ocfs2/cluster.conf. OPTIONS
-d Lists the OCFS2 volumes along with their labels and uuids. If a device is not specified, it scans all the devices in /proc/parti- tions. -f Lists the OCFS2 volumes along with the list of nodes that have mounted the volume. The node names are listed if the O2CB cluster is online. Note: As this information is gathered using dirty-read, the information may be stale. EXAMPLES
[root@node1 ~]# mounted.ocfs2 -d Device FS UUID Label /dev/sdb1 ocfs2 26d5dcdf-6d87-45a7-b01a-b98a7791bd61 logs_0405 [root@node1 ~]# mounted.ocfs2 -f Device FS Nodes /dev/sdb1 ocfs2 node15, node1 SEE ALSO
mkfs.ocfs2(8) fsck.ocfs2(8) tunefs.ocfs2(8) debugfs.ocfs2(8) ocfs2console(8) o2cb(7) AUTHORS
Oracle Corporation COPYRIGHT
Copyright (C) 2004, 2010 Oracle. All rights reserved. Version 1.4.3 February 2010 mounted.ocfs2(8)
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