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 OSF1

prestotab

prestotab(4)						     Kernel Interfaces Manual						      prestotab(4)

NAME

       prestotab - Lists the file systems for Prestoserve to accelerate

SYNOPSIS

       /etc/prestotab

DESCRIPTION

       The  /etc/prestotab  file  contains descriptive information about the mounted file systems whose I/O will be automatically accelerated with
       Prestoserve when the system starts up.  This file is created by the prestosetup command, which prompts you for the file systems to automat-
       ically accelerate when the system starts up.  You can also manually create the file.

       The  /etc/rc.config  file  contains  variables  that  specify the Prestoserve configuration.  If you configure Prestoserve to automatically
       accelerate file systems when the system starts up, the Prestoserve startup script (/sbin/init.d/presto) accelerates the mounted	file  sys-
       tems that are specified in the /etc/prestotab file or, if the file is empty or does not exist, all the local writable file systems that are
       currently mounted.

       The /etc/prestotab file contains a list of directory mount points (for example, /usr/users).  Block devices should not be included  because
       some functional subsystems, such as the Advanced File System (AdvFS), can map more than one block device to a mount point.

       Entries	in  the  /etc/prestotab file must be separated by spaces or must be located on separate lines.	You cannot specify comments in the
       file.

EXAMPLES

       An example of the /etc/prestotab file is as follows: /usr/users/disk1 /usr/users/disk2 /var/spool

FILES

       File pathname.

SEE ALSO

       Commands: presto(8), prestosetup(8)

       Guide to Prestoserve delim off

																      prestotab(4)