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Adding a second Velociraptor for a RAID 0? - Page 2

post #11 of 20
Thread Starter 
Quote:
Originally Posted by TEntel View Post
If one drive fails, then you lose data on both drives.

However, the likelyhood of failure (for each drive) does not increase.


Keep in mind that if you only have one drive, it can still fail and wipe all you data.
Quote:
Originally Posted by Inuyasha1771 View Post
THere is about a 5 percent chance of the array coming down, far too high a chance for me to ever take it. I'd say..over the next 3 years, I doubt it would last that long. THough, I also doubt you'll have the drives that long anyways, if you're on OCN. Most people (like me) switch hardware every maybe 4 months

Alright, so the problem with RAID 0 isn't that they are any less stable than a single drive... but that if one goes down you lose all the data on both drives? And that chance of failure of any signle drive (RAID or not) is about 5% over 3 years?

That doesn't seem too bad to me. I've never had a signle drive fail on me in all my years of computing. I think I'll go ahead and take this risk - because I still have a 500GB 7200rpm "dump drive" ontop these two Velociraptors so I can manually back up my data on a regular basis.
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post #12 of 20
About the failure rate of RAID 0, I have had 3 setups over the course of 3 years, all of which failed and I lost everything. I didn't back up everything because i figured i would be ok. Always backup EVERYTHING YOU NEED when using a RAID array. Also, make sure your drives are under warranty as well. Since then, I have not used RAID. I use external hdds that i back things up on.
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post #13 of 20
Quote:
Originally Posted by Inuyasha1771 View Post
THere is about a 5 percent chance of the array coming down, far too high a chance for me to ever take it. I'd say..over the next 3 years, I doubt it would last that long. THough, I also doubt you'll have the drives that long anyways, if you're on OCN. Most people (like me) switch hardware every maybe 4 months
I have 2x Western Digital Raptors in Raid 0. Ive been running the raid for about 4 years now, and the array has never failed, despite being transported around in my car back and forth to college every 6 months for that 4 years.

I wouldnt worry too much about the raid setup. The chance is small that it'll fail. If you're really worried, buy a separate drive and back up everything daily, weekly, or whatever. They arent that expensive, especially when you're talking about losing or not losing your important data.
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post #14 of 20
Quote:
Originally Posted by mnishimura00 View Post
About the failure rate of RAID 0, I have had 3 setups over the course of 3 years, all of which failed and I lost everything. I didn't back up everything because i figured i would be ok. Always backup EVERYTHING YOU NEED when using a RAID array. Also, make sure your drives are under warranty as well. Since then, I have not used RAID. I use external hdds that i back things up on.
You're suppose to back everything up regardless of RAID.
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post #15 of 20
Go the RAID for the OS and have another normal drive for your data. I would assume its much easier to recover lost data on a non-RAID single drive in case it crashes / fails. Either way you choose to go, just backup all data, OS and apps you can always reinstall from scratch if you have to.
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post #16 of 20
Good post, I didn't know that I had to wipe my drive when I buy my second VelociRaptor. Looks like I'm gonna have to buy a back up drive.
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post #17 of 20
Thread Starter 
Quote:
Originally Posted by Technophobe View Post
Go the RAID for the OS and have another normal drive for your data. I would assume its much easier to recover lost data on a non-RAID single drive in case it crashes / fails. Either way you choose to go, just backup all data, OS and apps you can always reinstall from scratch if you have to.
But by putting the programs and data on a non-RAID0 drive wouldn't it be slower than if I put the OS and the programs and data all on the RAID and backed stuff up onto the non-RAID?

Or is there a speed advantage to having programs and data on seperate drives from the OS?
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post #18 of 20
No, it would be faster to have everything on the RAID array. He is telling you to put the os on the array because that is where the speed advantage is most useful in the form of faster boot times/responses from or OS, however having everything on the array is still the fastest solution.


IMO put everything onto the two drives in RAID and simply back up your data weekly onto an external drive. Not a big deal at all.
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post #19 of 20
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Yeah, I think thats exactly what I'm gonna do. I'm planning on doing it all tomorrow - I'll post back in if I have any trouble. Thanks again to all who helped out.
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post #20 of 20
500GB HDs are cheap enough these days that it shouldn't be much of an issue to backup. I've had a few systems (including the current) with RAID 0 setups, and have yet to have one fail. Still, I back everything up on a local server for good measure.
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