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Old 9th February 2008, 07:31 AM   #1 (permalink)

 
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Cool Interesting...

I recently installed the Windows Home Server Disk Management Add-In thta kypto kindly pointed out in the Windows Home Server - FAQ / Useful Links thread and thought what it showed was interesting.

WHS supposedly treats all your disks as on big disk and balances your files across them, yet this showed that it tends to use two disks until they are almost full before moving to the next:



Disk 2 and 3 (the ones pretty full) are 160GB and 500GB respectively and disk 0 is 500GB. As you see nothing is stored on the other three drives (except for the 4% of space used by the system files) also disk 3 is the disk storing my PC backups, which is why it has more data than disk 2 (backuups not being duplicated).

Interesting....
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Old 9th February 2008, 11:02 AM   #2 (permalink)
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Re: Interesting...

WHS does not balance your data evenly across all disks. It balances your data across your disks. This ensures your files that are marked for duplication are done.
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Old 9th February 2008, 10:21 PM   #3 (permalink)
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Re: Interesting...

Hi GlenR,

That is interesting.

I, like you, thought the distribution would be across all disks. Seems we both leapt to the same conclusion after reading the info.
I had intended to install the application during the build but never got round to doing it. It will have to wait until July when I am back home again.

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Old 13th February 2008, 02:33 PM   #4 (permalink)
 
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Re: Interesting...

That is very interesting...

from my understanding, WHS should balance the data evenly across your HDDs to reduce the data loss in the event of a HD failure (when you are not duplicating data)

i would check mine, but it currently has Ubuntu on it
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Old 13th February 2008, 05:32 PM   #5 (permalink)
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Re: Interesting...

does WHS do any software RAID? Coz it's not really gonna help if it doesn't and one of the disks goes down... you might want to take a look at this, page 17 on..
http://download.microsoft.com/downlo...e_Extender.pdf
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Old 13th February 2008, 06:34 PM   #6 (permalink)
 
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Re: Interesting...

it sorta does...

you can turn on "Folder Duplication" which will store those specific files on 2 HDDs...

but there is no paridy like in RAID5/6...

so, if u duplicate everything, then it works a lot like a RAID1 array, but you don't need identical HDDs in it...
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Old 13th February 2008, 06:40 PM   #7 (permalink)

 
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Re: Interesting...

Duplication provides the data sedurity by keeping a second copy of any file and WHS ensures the second copy is not on the same disk as the first copy.
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Old 13th February 2008, 07:16 PM   #8 (permalink)
 
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Re: Interesting...

Quote:
Originally Posted by GlenR View Post
Duplication provides the data sedurity by keeping a second copy of any file and WHS ensures the second copy is not on the same disk as the first copy.
Double the price of the storage
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Old 13th February 2008, 07:20 PM   #9 (permalink)
 
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Re: Interesting...

hence the RAID-1 reference
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Old 13th February 2008, 07:27 PM   #10 (permalink)
 
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Re: Interesting...

Quote:
Originally Posted by pantonious View Post
hence the RAID-1 reference
yes, I have never understood the "goodness of WHS" - all technology was there before.
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Old 13th February 2008, 07:30 PM   #11 (permalink)
 
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Re: Interesting...

the best thing was being able to add HDDs to the storage pool...but i have a similar thing in linux now...and its more stable...
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Old 13th February 2008, 07:37 PM   #12 (permalink)
 
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Re: Interesting...

What is different - I am adding HDD to a RAID group, I just don't get that wow - working with storage for a long time - it is there, what's new?
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Old 13th February 2008, 07:40 PM   #13 (permalink)
 
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