A big File Server

I’m the administrator of a student network of 350 people in the student campus of Xanthi Greece. We are NOT funded by the university or anybody else so we pay for everything in our network. I use FreeBSD for over a year now for our main server and I’m very happy with it. The goal is quite simple.

We need a 3 Terra Byte fileserver.

Requirements:

1. Cheap. No SCSI, no fancy disk controllers, not expensive equipment.

2. Unique space. No divisions (partitions) of any kind

3. Easily expandable

The purpose is to store there the data (movies, mp3, games, projects e.t.c) of the network. The plan is to make a cluster of 4 old PCs (PII – PIII) that should work diskless using network cards with boot rom and PXE. Then mount all disks with NFS and “unite” them with Vinum volume manager. But before asking 350 students to pay for this plan I have a lot of questions need to be answered.

1. Has anybody done this?

2. How stable and viable is the whole thing?

3. With Vinum can I mount volumes that are already full of data written in FFS or EXT3 without formatting them first?

4. Can I mount this way disks from a Linux box (FC3 with ext3 and LVM)?

5. Can I recover the contents of a single disk using a windows or a Linux box?

6. How can I tell the contents of a certain disk?

Any answers or ideas?

I Thank u in advance

Kyriakos

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