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Old 01-27-2006, 06:30 AM   #1
LinuxLover
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Registered: Feb 2004
Distribution: Solaris 10/11 , RHEL 6 ,AIX 7.1
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dump command and /etc/fstab


As We All Know that if we place a (1) at the dump option in the /etc/fstab file (RHEL4) .. the drive is set to dump... But can anyone provide me with the detail that how and where the Linux puts it's Dump .

And what will be benifits of this dump.


Thank for Advance.

A true Linux Lover.
 
Old 01-27-2006, 08:18 AM   #2
trickykid
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Post the output of your /etc/fstab please, I never use such mounted drives called dump..
 
Old 01-27-2006, 10:26 AM   #3
pczou
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the dump bit in the /etc/fstab is only used for the 'dump' command to determin which partition is to be dumped. for many linux distributions i know of, dump is not executed automatically, so the bit is no more than useless. for details, please check the manpage of fstab and dump.
 
Old 01-28-2006, 12:05 AM   #4
LinuxLover
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Thanks friends for replying

This is the /etc/fstab file format on redhat

filesystem mount-point fs-type options dump fsck-order


for example

dev/hda3 /home ext3 defaults 1 1


Here is quote from RHCE 133 officical book.

"The dump command can be directed to read /etc/fstab and do backups based on information it keeps as to which filesystem need to be backed up

After a level 0(zero) backup , dump will perform an incremental backup every day on active filesystem listed in /etc/fstab "


Man page tell when we execute command
#dump -W

it will check /etc/fstab .

But I could not understand that how and where it will back the filesystem


Thanks

A LinuxLover.
 
Old 01-29-2006, 02:13 AM   #5
LinuxLover
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Did not recieving reply from any one more ????
 
  


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