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Why are so many people against raid 0?

Andrew Storlie
By Andrew Storlie
in Storage Devices
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So basicly every post i read about raid 0 in a conputer everyone start going off about how raid 0 is this horrible world ending option. Its so bad cause if a drive fails, and all that...

With modern ssds drive failure isn't as big as it used to be. I personally ran a 2tb (500gb x 4 raid 0) with hhds for close to 5 years and NEVER had any issuses, and i was rough with them too.

So please someone explain what is so bad about raid 0

(I already know about 1 drive fails all data is lost, and i know about file corruption) but that hardly seems to be a reason not to raid...

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Because most people don't need the performance gains, so for most people it's just not worth the risk...Even if the failure rate is minimal, you're still doubling it (or in your case quadrupling it). Actually the risk is even greater than that even you're running hardware RAID since there is a chance your motherboard/RAID can fail, in which case you'd need to find an EXACT replacement (which may not always be easy). 

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Because most people don't need the performance gains, so for most people it's just not worth the risk...Even if the failure rate is minimal, you're still doubling it (or in your case quadrupling it). 

And the chance of any modern drive (that isn't made by Seagate) of failing is extremely low.

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people are scared they are going to loose all there porn.

 

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And the chance of any modern drive (that isn't made by Seagate) of failing is extremely low.

Seagates failure rates aren't exactly high. 

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people are scared they are going to loose all there porn.

 

Their*

 

 

So basicly every post i read about raid 0 in a conputer everyone start going off about how raid 0 is this horrible world ending option. Its so bad cause if a drive fails, and all that...

With modern ssds drive failure isn't as big as it used to be. I personally ran a 2tb (500gb x 4 raid 0) with hhds for close to 5 years and NEVER had any issuses, and i was rough with them too.

So please someone explain what is so bad about raid 0

(I already know about 1 drive fails all data is lost, and i know about file corruption) but that hardly seems to be a reason not to raid...

 

If someone really needs the performance of RAID 0, I'd suggest they go with RAID 10 if they can afford the extra drives, that way you get the speed of RAID 0, and the redundancy of RAID 1

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Seagates failure rates aren't exactly high. 

You might want to check again-they are.

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If any of my drives fail tommorow i wouldn't give a s**t about my data. I'd probably mourn the hardware for a week or so...

The data i really need is my games because i have slow download speeds( which will be fixed by my 1000mbps upgrade in 2 weeks). I have an ssd and a hdd

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Seagates failure rates aren't exactly high. 

Wasn't the reason that the drive has such a high failure rates is because of the tsunamis in Japan?

If so, why do people still bitch about it?

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You might want to check again-they are.

Only the 3TB and 1.5TB drives. Everything else is just as reliable as any other brand. If they weren't, they would be out of business by now.

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Only the 3TB and 1.5TB drives. Everything else is just as reliable as any other brand. If they weren't, they would be out of business by now.

OEM and low cost HDD that don't last as long as others=profit.

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OEM and low cost HDD that don't last as long as others=profit.

then why hasn't my drive shit its self yet? or how about my 10 year old drive that died by lightning? both from segate... the drives you look down on should be hitachi and toshiba...

 

I find it odd how the people with the most posts give the worse information...

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then why hasn't my drive shit its self yet? or how about my 10 year old drive that died by lightning? both from segate... the drives you look down on should be hitachi and toshiba...

 

I find it odd how the people with the most posts give the worse information...

Posts have nothing to do with it, I've got a draw full of failed Seagate HDD, with only my old U5 still going. And if you look at one you'll see why they last. Seagate was know for having failure rates higher than other companies back in the 90's, and while they've improved their HDD the failure rate is still higher.

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Posts have nothing to do with it, I've got a draw full of failed Seagate HDD, with only my old U5 still going. And if you look at one you'll see why they last. Seagate was know for having failure rates higher than other companies back in the 90's, and while thye've improved their HDD the failure rate is still higher.

cool!

I still think you are giving misleading information...

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cool!

I still think you are giving misleading information...

Its quite true. You only need to look at the figures.

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We do not sell cosmetics. We just blind animals."

 

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Just because you've not had any issues yet, doesn't mean that it is reliable as a rule. The problem is, if something does go wrong, you lose your data. So: If you are particular regarding keeping regular backups, it is OK. Because you are utilising 2 pieces of hardware to get 1 single storage solution, you are increasing the chances of faults arising. 

 

I don't use Raid 0 because I personally don't need the performance gain. It should be noted though, if you are only using 1 drive you should exercise precaution anyway as data is arguably way more valuable than hardware costs.

 

 

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It's really not that bad. That said, if one drive fails, the whole array fails. It can last you five years. It can last you longer than that, even. But it is less reliable than a single drive. 

I'd say don't worry about it. As long as you perform backups on a regular basis, all is fine. The same is true for any setup, though.

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I think the better term might be "out dated".  In my 6 drive JBOD array (Gooo DrivePool!), the only drives I've had fail are WD's.  They also ran several degrees warmer than the 3 Seagates (I posted about this, and the drive temperatures, a week or two ago).  

 

On my window sill at work, I have a stack of failed WD Blue HDD's that were pulled from our Dell Optiplex workstations (mostly in the 160GB range, though occasionally some 250's showed up).  Rarely ever does a Seagate come across my desk...

 

Right now I have three 1TB Seagates, a 1TB Hitachi, a 1TB WD Green (all 3.5"), and a 2.5" 2TB Seagate Spinpoint.  Over the next few months, the rest of the 3.5" disks will be replaced with 2TB 2.5"s, and none will be from WD's umbrella...

 

Also, to keep my post on topic -- the primary datastore in my ESXi 6 host is a RAID0 that includes three 240GB SSD's.  :)

 

 

cool!

I still think you are giving misleading information...

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It's a little bit about failure rate as you are a lot more likely to suffer a failure. Butwith ssds its more about trim. Intel still doesn't have drivers allowing trim to be passed for raid 0 and so ssds in raid 0 on standard boards are slowed more over time with use than without. That is the main reason to avoid it.

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Are you sure that's an issue with current SSDs?  I've had three (a Corsair Neutron plus two Silicon Power S80's) 240GB SSD's in a RAID0 since February of this year and haven't noticed any issues yet (knock on wood)...

 

It's a little bit about failure rate as you are a lot more likely to suffer a failure. Butwith ssds its more about trim. Intel still doesn't have drivers allowing trim to be passed for raid 0 and so ssds in raid 0 on standard boards are slowed more over time with use than without. That is the main reason to avoid it.

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And the chance of any modern drive (that isn't made by Seagate) of failing is extremely low.

Do you have a credible citation for that?

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It's a little bit about failure rate as you are a lot more likely to suffer a failure. Butwith ssds its more about trim. Intel still doesn't have drivers allowing trim to be passed for raid 0 and so ssds in raid 0 on standard boards are slowed more over time with use than without. That is the main reason to avoid it.

That isnt true anymore. Trim is fully supported for raid 0 since 2012 with 7 series and later chipsets.

http://www.anandtech.com/show/6161/intel-brings-trim-to-raid0-ssd-arrays-on-7series-motherboards-we-test-it

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