07-15-2008
Using mail command to notify the status of script
Can someone please help me with this script, I'm trying to create system backup on AIX, for this I want to first mount the filesystem if it is not mounted, then create the backup and unmount the filesystem but I'm having problem while using the mail command to notify the status of filesystem whether it can be mounted or not, it doesn't send an email and doesn't append anything to the log files, also how do I calculate the time the script is taking to complete, is there a command I can use within the script ?
#!/usr/bin/ksh
set -x
HOSTNAME=$(hostname)
fs=$(df|grep testfs | awk '{print $7}')
if [ -z "$fs" ]; then
echo "Mounting filesystem..."
mount /testfs
mail -s "Filesystem mounted with success" -c "xxx@email1 yyy@email2"</var/log/succes.err >/dev/null
else
mail -s "No such filesystem exists on $HOSTNAME" -c "xxx@email1 yyy@email2"</var/log/miss.err >/dev/null
exit
fi
## If cannot mount then run,
if [ $? -ne 0 ]; then
mail -s "Cannot mount filesystem for $HOSTNAME" -c "xxx@email1 yyy@email2"</var/log/fail.err >/dev/null
exit
fi
Last edited by mbak; 07-15-2008 at 09:43 PM..
Reason: typo
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LEARN ABOUT DEBIAN
xfs_freeze
xfs_freeze(8) System Manager's Manual xfs_freeze(8)
NAME
xfs_freeze - suspend access to an XFS filesystem
SYNOPSIS
xfs_freeze -f | -u mount-point
DESCRIPTION
xfs_freeze suspends and resumes access to an XFS filesystem (see xfs(5)).
xfs_freeze halts new access to the filesystem and creates a stable image on disk. xfs_freeze is intended to be used with volume managers
and hardware RAID devices that support the creation of snapshots.
The mount-point argument is the pathname of the directory where the filesystem is mounted. The filesystem must be mounted to be frozen
(see mount(8)).
The -f flag requests the specified XFS filesystem to be frozen from new modifications. When this is selected, all ongoing transactions in
the filesystem are allowed to complete, new write system calls are halted, other calls which modify the filesystem are halted, and all
dirty data, metadata, and log information are written to disk. Any process attempting to write to the frozen filesystem will block waiting
for the filesystem to be unfrozen.
Note that even after freezing, the on-disk filesystem can contain information on files that are still in the process of unlinking. These
files will not be unlinked until the filesystem is unfrozen or a clean mount of the snapshot is complete.
The -u flag is used to un-freeze the filesystem and allow operations to continue. Any filesystem modifications that were blocked by the
freeze are unblocked and allowed to complete.
One of -f or -u must be supplied to xfs_freeze.
NOTES
A copy of a frozen XFS filesystem will usually have the same universally unique identifier (UUID) as the original, and thus may be pre-
vented from being mounted. The XFS nouuid mount option can be used to circumvent this issue.
In Linux kernel version 2.6.29, the interface which XFS uses to freeze and unfreeze was elevated to the VFS, so that this tool can now be
used on many other Linux filesystems.
SEE ALSO
xfs(5), lvm(8), mount(8).
xfs_freeze(8)