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RAID 5 - Worth it or not?

D

DangerIsGo

2[H]4U
Joined
Apr 16, 2005
Messages
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I have 4 HDD's - 2x320GB and 2x250GB. Right now they are RAID 0 each matched set. Now even though I can get my backed up data easily, Id prefer not to since its a pain in the ass. Raid 0+1 and 10 require too many HDD's that I just cant afford right now but I can get 2 more HDD's, a 320GB and a 250GB to put in RAID5 (since I heard a lot of people use it and like it). If I were to do that, is it worth it? Is RAID 10 or 01 better? Remember this is going to be used as a file server and gaming machine (will have dual core). So, ive heard there are many downfalls to RAID5 but is it worth it to have a partity in there in case of failure? Or should I just keep them as RAID 0?
 
RAID is an uptime tool, not a backup tool.

Fault tolerant RAID will not save you from accidentally deleting something, a virus, corruption, fire/flood/etc.

RAID-5 will have slow writes.
 
Well, its not going to really write, just read since its a file server. Ill put the stuff on it and leave it. How is RAID5's access time? Whats good for my situation? I thought RAID5 would be since it leaves a parity incase a HDD goes bad.
 
in RAID-5 if one HDD goes bad (hardware failure) it should be 'easy' to recover the data. However, there are plenty of other ways to lose the data.
 
if you have stuff that you would like to keep (like home movies) in a fairly safe place without burning them, then i would say that RAID 5 works, just dont expect a fast read/write perfomance.

You should always have multiple copies of all the important things.
 
How much data do you need to store? Your best bet might be a 250Gb drive for OS and apps and use the two 320's for RAID-1. Then get an external usb enclosure for the other 250 and use it to store your most critical data. You could then keep it offsite at say your place of work and use it to back things up once per month.
 
general said:
How much data do you need to store? Your best bet might be a 250Gb drive for OS and apps and use the two 320's for RAID-1. Then get an external usb enclosure for the other 250 and use it to store your most critical data. You could then keep it offsite at say your place of work and use it to back things up once per month.
Click to expand...
while I agree with the "offsite" idea, I do not think that work is the right place for personal data, even in an external HDD. Since it's at your work, it would appear that you won't have much of an "expectation of privacy" should the police ever raid your work or someone else get a hold of your data.

Bank safe or someplace...
 
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