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8x400GB SATA Array wierdness

C

Choder

[H]ard|Gawd
Joined
Mar 14, 2000
Messages
1,276
In short I am only seeing 538GB available to format in the Win2k3 setup where I should be seeing 2.8TB.

Mobo - Asus K8V-X (I know, not ideal, but I was working under a budget)
RAID Card - Highpoint 1820A 64-bit LBA (>2TB array)
-RAID5 Array giving a theoretical 2.8TB (7x400) with boot flag
-RAID Bios displays a logical 2.8TB drive
HD - 8x identical 400GB WD

It was previously set up as 5x400 (1.6TB) so I am pretty sure there is nothing wrong with the card. At first I thought the 538989MB available in Windows setup was a display error (a stretch, I know) but I allowed Win2k3 to finish installing. Viewing Disk Management confirmed a 539GB partition. Strangely, the rest of the array was not visable. I was at least hoping to see 2TB of empty space waiting to be formatted. Any ideas guys?
 
No offence but why would anyone need (8) 400gb hard drives? Just wondering. :D
 
AMDude said:
No offence but why would anyone need (8) 400gb hard drives? Just wondering. :D
Click to expand...
If you have to ask then you'll never know.

I'll give you a hint though:








Porn.



avatard.gif
 
Choder said:
Hrm, searching around some more may have yielded the answer...

answer
Click to expand...
Does that mean your problem is solved, or does the lack of replies mean no good?

 
That is what I tell everyone, but it's real reason for being is to store backup jobs before they are commited to tape, as well as a file server for our department.

I did, however, cover up the "Sem" on the "Sempron" sticker that came with the CPU :D
 
unhappy_mage said:
Does that mean your problem is solved, or does the lack of replies mean no good?

Click to expand...

Not sure yet. I am waiting for Win2k3 SP1 to install.
 
It's probably best not to put the OS on a striped array anyways. I'd personally get a seperate boot disk - maybe a Raptor, if budget allows? - and put the OS on that, on a different controller.

 
unhappy_mage said:
It's probably best not to put the OS on a striped array anyways. I'd personally get a seperate boot disk - maybe a Raptor, if budget allows? - and put the OS on that, on a different controller.

Click to expand...


well im thinking the same thing you are. i have 10 of the seagate 400gb hds and i was thinking of of picking up a 36gb raptor for the boot drive how is this going to benifit my performance?
 
unhappy_mage said:
It's probably best not to put the OS on a striped array anyways. I'd personally get a seperate boot disk - maybe a Raptor, if budget allows? - and put the OS on that, on a different controller.

Click to expand...

The OS was on a RAID5 array, not a stripe :cool: .

But I do agree with you in that it is not an ideal solution. I'd much rather have a mirror set providing the fault tolerance that is required for this box. RAID5 is overkill. I was trying to avoid spending an extra ~$100 on the mirror set if I didn't have to.

As much as I'd love to pick up a Raptor, it wouldn't do this little file server any good. I'd much rather put it in my box :D
 
Choder said:
How? If you aren't kidding I'd love to hear about it.
Click to expand...
It's a fibre channel 10-disk storage array with a 10-disk expansion. They can all be utilized in pretty much any way you can imagine, including a huge RAID 5 array, but they're mostly used in sets of 2 (RAID 1) or 4 (RAID 10). The whole thing plugs into a server, or servers, via a fibre channel port.
 
Choder said:
The OS was on a RAID5 array, not a stripe :cool: .
Click to expand...
http://en.wikipedia.org/wiki/Redundant_array_of_independent_disks#RAID_5

What Burner27 said. I wouldn't bother with a Raptor for this; it's just the boot disk, so it's not necessary to have uber mega speed for it. And the 36gb raptor is outclassed these days; it's not much faster, if at all, and a lot more expensive. Samsung spinpoint 40gb drives are cheap and quiet, that's what I'd use.

 
kumquat said:
It's a fibre channel 10-disk storage array with a 10-disk expansion. They can all be utilized in pretty much any way you can imagine, including a huge RAID 5 array, but they're mostly used in sets of 2 (RAID 1) or 4 (RAID 10). The whole thing plugs into a server, or servers, via a fibre channel port.
Click to expand...

So SAN, right? Sounds friggin NICE dude!. Which manufacturer? And what the hell are you using it for?!?

We're probably setting up an IBM DS400 at work to provide storage for a new SQL 2-server cluster. The drives are U320, not FC, but I guess we'll live. We also spec'd a DS4300 with a bunch of FC drives but I don't think we are going to go that way. It's so much cheaper to recycle the drives we currently have.
 
Burner27 said:
RAID 5 IS a stripe set. It is a Stripe set w/parity.
Click to expand...

Yes, you're correct. I thought he was refering to a 2-disk stripe.
 
Choder said:
So SAN, right? Sounds friggin NICE dude!. Which manufacturer? And what the hell are you using it for?!?

We're probably setting up an IBM DS400 at work to provide storage for a new SQL 2-server cluster. The drives are U320, not FC, but I guess we'll live. We also spec'd a DS4300 with a bunch of FC drives but I don't think we are going to go that way. It's so much cheaper to recycle the drives we currently have.
Click to expand...
It's an IBM. It's storage space for several servers (web, file, DB, email) for a little side business I run. It's way, way easier to have the three servers just plugged into the SAN than it is to manage arrays on individual servers. They have a nifty java program that provides the front end I can run from the management workstaiton.
 
kumquat said:
It's an IBM. It's storage space for several servers (web, file, DB, email) for a little side business I run. It's way, way easier to have the three servers just plugged into the SAN than it is to manage arrays on individual servers. They have a nifty java program that provides the front end I can run from the management workstaiton.
Click to expand...

Excellent. I've yet to see the front end app. Looking forward to it.
 
Choder said:
Excellent. I've yet to see the front end app. Looking forward to it.
Click to expand...
Well, it's not the best in the world, but it certainly works.
 
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