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Old 06-02-2013, 10:56 AM   #1
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Red face Exam question about disk quota changes when transferring from desktop to server use

Hi all my friends;

I am entirely stuck with this question. I realized it is more about server/database use of Linux then I post it here. Sorry if I wrong.

Please let me know how should I solve these type of questions.
Thank you

You have a Linux system that has a 1,000GB hard disk drive, which has a 90GB partition containing an ext4 filesystem mounted to the / directory and a 4GB swap partition.
Currently, this Linux system is only used by a few users for storing small files; however, the department manager wants to upgrade this system and use it to run a database application that will be used by 100 users. The database application and the associated data will take up over 200GB of hard disk space. In addition, these 100 users will store their personal files on the hard disk of the system. Each user must have a maximum of 5GB of storage space. The department manager has made it very clear that this system must not exhibit any downtime as a result of hard disk errors.

How much hard disk space will you require, and what partitions would you need to ensure that the system will perform as needed?
Where would these partitions be mounted?
What quotas would you implement?
What commands would you need to run, and what entries to /etc/fstab would you need to create? Justify your answers.
Old 06-02-2013, 12:17 PM   #2
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One plan could be to keep user and DB data on different partitions, then use quotas to shrink each user's maximum allowed space.
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Old 06-04-2013, 02:44 AM   #3
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I'd be getting back to the manager and telling him what he wants "system must not exhibit any downtime as a result of hard disk errors" is unfeasible on the grounds that the system has a single point of failure "a 1,000GB hard disk drive" would imply it has a single disk rather than a RAID system.
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