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Old 11-04-2007, 02:45 AM   #1
mvnreddy
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plz help me


hi

i am linux newbie and i have major concern regarding some simple and basic questions in linux.

1.How to Design a backup plan for the following scenarios.Assume that each computer has 10GB disk and the users home directories are stored locally.Choose a backup device that balance cost vs.Support needs and explain your reason .List any assumptions you make.

I.A small software company has 20 machines.Source code is stored on a central server that has 500GB of disk space.The source code changes continuously throughout the day.Individual users home directories do not change very often.Cost is of little concern and security is of utmost importance.

II. A research facility that has 100 machines.Each machine holds a lot of important data that changes often.
------------------------------------------------------------------------
2.Host 138.128.2.4 on network 138.128.2.0/24 wants to send a packet to host 138.128.129.12 on network 138.128.129.0/24. Assume that:

Host 138.128.2.4 has a default route through 138.128.2.1

Host 138.128.2.4 has just booted and has not sent or received any packets.

All other machines on the network have been running for long time.

Router 138.128.3.1 has a direct link to 138.128.129.1, which is the gateway for the 138.128.129.0/24 subnet.

1.List all the steps that are needed to send the packet.Show the source and destination Ethernet and IP addresses of all packet transmitted.

2.If the network were 138.128.0.0/16,would your answer change?How?

3.If the 138.128.2.0 network were a /26 network instead of a /24,would your answer change?How?

I would appreciate the answers from the forum and shall be obliged for this favour

 
Old 11-04-2007, 02:52 AM   #2
acid_kewpie
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please use decent thread titles in future, and please do not cut and paste your homework assignments into public forums to avoid learnign for yourself.
 
Old 11-04-2007, 01:57 PM   #3
ehawk
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Here are some potentially helpful sites:

http://www.linux-backup.net/Issue/#Media

It looks like (looking at the backup media link on that page) that backing up 10GB should be done using tape.

There are some free backup scripts, along with some more links here (including scripts for tape backup):

http://www.linux-backup.net/App/

http://www.mikerubel.org/computers/rsync_snapshots/

http://www.rustyparts.com/scripts/ribs/README

http://www.ibm.com/developerworks/li...ry/l-roadmap8/

http://www.linuxjournal.com/article/1208

http://cbbrowne.com/info/backup.html

http://www.tldp.org/HOWTO/Linux-Comp...ecovery-HOWTO/

http://www-swiss.ai.mit.edu/~boogles...is/thesis.html

Hope this helps get you started
 
Old 11-04-2007, 02:05 PM   #4
Tinkster
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And since we generally don't support homework type question (re-read the rules)
and the links above are more than sufficient to start you in your research endeavours
this thread is hereby closed. :}
 
  


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