Monitoring file systems backup Post: 302901023

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Special Forums UNIX and Linux Applications Infrastructure Monitoring Monitoring file systems backup Post 302901023 by frhling on Saturday 10th of May 2014 04:34:12 PM

05-10-2014

Registered User

Monitoring file systems backup

Hello,
I have some questions.
There are some File systems which are located on a SAN. There are two scenarios:
1) Some file systems are permanently mounted on certain servers
2) Others are part of a high availability cluster

In case of a cluster the needed file systems for a certain application are all visible to all cluster nodes (cluster servers) at the same time. A certain node is assigned to primarily run a certain service. Therefore it mounts the file system and provides the service as a new, virtual IP. The trick is now, that the virtual IP and virtual name can also be brought up by another cluster node in case the first one fails. This by itself is not a problem but it has turned out that this provides a problem for the backup because the backup is naturally file system oriented. From a user (or calling services) perspective the user only talks to the virtual IP and name, which never changes. He has no idea that this IP is in reality running on a physical cluster node with its own IP and name and on top of that the cluster nodes can even change.

by the default log file, I just get the machine names, mount points, full backup and incremental backups.

Now the question is how to be sure if file systems are correctly backed up?

I can think of some aproached:
1- check the list of file system and check the list of backed up files and compare to see if those FS are in back up. we pay attention to timestamp
2- the same as above but this time comparing also the size
3- check if machines in general are backed up
4- MD5 checksum

can someone give me any other idea and in general some suggestion?

Thanks

frhling

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LEARN ABOUT LINUX

clinfo

clinfo(1M)						  System Administration Commands						clinfo(1M)

NAME

       clinfo - display cluster information

SYNOPSIS

       clinfo [-nh]

DESCRIPTION

       The clinfo command displays cluster configuration information about the node from which the command is executed.

       Without	arguments, clinfo returns an exit status of 0 if the node is configured and booted as part of a cluster. Otherwise, clinfo returns
       an exit status of 1.

OPTIONS

       The following options are supported:

       -h	Displays the highest node number allowed to be configured. This is different from the maximum number of nodes supported in a given
		cluster. The current highest configured node number can change immediately after the command returns since new nodes can be dynam-
		ically added to a running cluster.

		For example, clinfo -h might return 64, meaning that the highest number you can use to identify a node is 64. See the Sun  Cluster
		3.0 System Administration Guide for a description of utilities you can use to determine the number of nodes in a cluster.

       -n	Prints the number of the node from which clinfo is executed.

EXIT STATUS

       The following exit values are returned:

       0	Successful completion.

       1	An error occurred.

		This is usually because the node is not configured or booted as part of a cluster.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       attributes(5)

SunOS 5.10							    12 Mar 2002 							clinfo(1M)