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 MINIX

fstab

FSTAB(5)							File Formats Manual							  FSTAB(5)

NAME

       fstab, mtab - list of file systems to mount, mounted file system table.

SYNOPSIS

       /etc/fstab

       /etc/mtab

DESCRIPTION

       /etc/fstab  is  a table of file system to mount at boot time, /etc/mtab is a table of currently mounted file systems as maintained by mount
       and umount.

       /etc/fstab is not read by mount as it should be.  It is instead a simple shell script listing the three devices that Minix needs  to  oper-
       ate:   The device names of the root file system, the temporary (scratch) file system, and the file system for /usr.  Of these only the /usr
       file system is mounted in /etc/rc, the scratch file system is there for the system administrator to test new kernels,  or  as  a  temporary
       file system.

       /etc/mtab contains lines of four fields.  The layout is:

	      device	directory    type    options

       These fields may be explained as follows:

       device
	      A block special device.

       directory
	      Mount point.

       type
	      Either 1, or 2, indicating a V1 or V2 file system.

       options
	      Either ro, or rw, indicating a read-only or read-write mounted file system.

FILES

       /etc/fstab     Shell script naming three important file systems.

       /etc/mtab      List of mounted file systems.

SEE ALSO

       printroot(8), mount(1), fsck(1), mkfs(1).

BUGS

       /etc/fstab is a joke.

AUTHOR

       Kees J. Bot (kjb@cs.vu.nl)

																	  FSTAB(5)