Sunday, September 17, 2006

Archive and Backup confusion

Hello everyone,

Last week I was working on Change Process (CP) request and I read a statement mentioning, we currently have a process with which we are archiving but not deleting from Filer(storage). I stopped reading the CP further because I dont want to read some one who writes crap. He/She doesnt know what is archive and what is back-up.

Let me expalin in simple terms, Backup is ctrl-c and ctrl-v(microsoft shortcut keys for copy and paste), means Backup is a another copy of the data. To do this some vendors use compression techniques to compress the files so that backup size will be less. But basically Backup is one more copy of the actual data which can be used incase if you loose your primary data.


Archiving is more like ctrl-x and ctrl-v but with a small note at the place it is moved mentioning, if you want to access me call me at my new place. Generally now a days many applications are capable of directly pointing to the new location when it is archive so end user doesnt know where it is stored(Primary or Secondary storage or even VTL).


Why backup and archive, Backup is to protect your data by maintaining exact copy of the data and archive is to reduce your space utilization on expensive storage by moving rarely used data to cheaper storage and making application aware of its new location.

Enjoy your Sunday folks,
Chundi

1 comment:

Hemant said...

Dude.. that was a good piece of information .

thank u

regards ,
Hemant kumar