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Server for Backup





dolopo
I have a little trouble, i hope some Unix user(s) here can help me..

I want to build a backup server with 5 HDDs (all are SATA). Each HDD has 200GB space, and all off that must be detected as single volume,

My server's task are, to backup datas from 5 main servers every day (using cron and shell scripting).

my questions are:
1. What type of Unix I can use well ? (I've prepared for OpenBSD 4.0 for this purpose, is the kernel supports SATA controller ?)

2. How to make my 5 HDD detected as single volume? (in OpenBSD and other Unix-based OS)

3. If any people would like to share me some script to backing up datas from multi main-server with shell/bash/perl, I will so appreciate that..!!

-Salam betet-
kansloos
Quote:
2. How to make my 5 HDD detected as single volume? (in OpenBSD and other Unix-based OS)


I think you should use a RAID configuration for that.
I believe that RAID 0 is what u seek, which configures all disk so that it's detected as 1 disk and it improves speed.
But I would reccommend an RAID 5 config for extra redundancy.

Unfortunately I do not have much experience with raid setups but I figure google does
internetjobs
yes, you can use RAID 5 it will very useful for u
sybje
Hi,
Of course you can RAID0, it is very fast.

RAID5 is more secure, one disk could fail. Two disadvantages of RAID5: you lose 200GB of diskspace and it is slower than RAID0.

But if your back-ups are business critical, I should prefer RAID5 above RAID0.

Regards, Sybje
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