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caker
PostPosted: Tue Jul 22, 2003 2:07 am 
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I'm curious if anyone has tried software RAID using their Linode.

It would be easy to do using a few empty disk images (they could be small).

-Chris
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gmt
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PostPosted: Wed Jul 23, 2003 1:03 am 
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No, but I thought all the servers had hardware RAID.

What are the benefits & how do you set it up?
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caker
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PostPosted: Wed Jul 23, 2003 1:08 am 
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None, really -- The hosts are RAID-1, mirrored drives. So it really wouldn't be to any benefits (other than being cool).

Check out the RAID HowTo's, everything applies (software raid).

-Chris
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antelope
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PostPosted: Wed Jul 23, 2003 9:08 am 
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caker wrote:
None, really -- The hosts are RAID-1, mirrored drives. So it really wouldn't be to any benefits (other than being cool).


Are they hot-swapable, so that the machines doesn't have to be rebooted in case of HDD failure?
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caker
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PostPosted: Wed Jul 23, 2003 11:15 am 
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antelope wrote:
Are they hot-swapable, so that the machines doesn't have to be rebooted in case of HDD failure?


Nope, they're IDE (on different channels) without hot-swap.

-Chris
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kenny
PostPosted: Wed Jul 23, 2003 2:42 pm 
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caker wrote:
I'm curious if anyone has tried software RAID using their Linode.


Have now. Just setup a software raid 5 with 3 8MB partitions.
Now why in the world I would want to actually use it? Let's see.. writing a 1MB would now required 1.5MB access to the IDE drive, which is mirrored to another IDE drive (hopefully not the same channel). Writing 1MB of data now really requires 3MB. Now I just need to make it a raid 1 so it'll require 4x the drive access! Mount it with the sync option.. I like where this is going. :) (I might be off on these numbers, I'm anything but a disk/raid expert)

Anything you wanna know before I remove this, Chris?

Kenny

ps. I'd highly recommend not doing this on host2.
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caker
PostPosted: Fri Jul 25, 2003 3:13 am 
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kenny wrote:
Have now. Just setup a software raid 5 with 3 8MB partitions.
Now why in the world I would want to actually use it? Let's see..
...
Anything you wanna know before I remove this, Chris?


Awesome! No, go ahead and remove it - thanks...

I think the entire LPM/VM/UML combo is pretty darn cool. Makes a great testbed for learning and experimenting. :-)

-Chris
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