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AMD RAID 5/RAIDXpert


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#1 OFFLINE   pc-tecky

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Posted 16 February 2012 - 08:20 PM

crying.gif So I updated my BIOS, and that made my mass storage drive (raid 5) disappear in windows 7 x64. Made some minor changes in the BIOS and the drive was back.  Updated the drivers and the utility and now the drive is gone again.  Is AMD's RAID hardware or software based? Is there a way that I can restore the contents of this raid 5 drive or its configuration?? Is all now lost? (hard drives have not been formatted yet)

#2 OFFLINE   V.T. Eric Layton

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Posted 16 February 2012 - 08:43 PM

It's been a long time since I ran anything RAID on any of my systems. Most RAID in Windows was "fake RAID" (software based). I'm so long out of this that I can't even begin to offer you advice, pc-tecky. Please stand by for some of the other more MS Win oriented members here to comment.

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#3 OFFLINE   pc-tecky

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Posted 16 February 2012 - 09:35 PM

I was afraid of that.  My thinking is that its hybrid hardware/software. The sad part is the lack of warnings for possible loss of data and/or configuration(s).

#4 OFFLINE   V.T. Eric Layton

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Posted 16 February 2012 - 10:16 PM

Did you build this system yourself? Did you install Windows initially? If so, you would have had to insert a RAID driver CD sometime very early on in the MS Win installation. I seem to remember in XP, the installation asked you to key in F6 if you needed to install RAID software. If you did this, then you're definitely running fake RAID. Not that there's anything wrong with fake RAID, except that I think it's limited to RAID 0 and 1 only. I could be wrong about that. Like I said, it's been a while.

Pure hardware RAID on home systems was pretty rare back when I was piddling around with Windows systems in '05 and previous to that.

https://en.wikipedia.org/wiki/RAID#Hardware-based_RAID

P.S. And why O' why did you upgrade your BIOS?

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#5 OFFLINE   pc-tecky

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Posted 27 February 2012 - 01:15 AM

Why? Because of this little update utility flagged it as having an update.  And it had been six months since I initially build the machine. (Other home projects came up.) So I was activating windows and updating the drivers, etc.  The new feature is that AMD's RAIDXpert software is now flashing a warning every 30 seconds about "Task 20 timeout on disk (Port 3, Target ID 1) at LBA 0x0#(some semi-random 7 character hex number)# (Length+0x40)".  There appear to be several posts (one main one at HP) but nothing specific and perhaps related to a power supply issue too (not enough power for the HDDs). Maybe even a bad build of the software.

Did I answer all of the questions? Custom home built, Nvidia 465 GTX, 16GB, Phenom II 1090t, windows 7 x64 pro, 120 GB SSD, 1TB local storage, 3x3TB in raid 5 (yields ~6 TB) mass storage on MSI 890FXA-GD70 mobo w/ 760W (modular) PC Power & Cooling.

Edited by pc-tecky, 27 February 2012 - 01:24 AM.


#6 OFFLINE   V.T. Eric Layton

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Posted 27 February 2012 - 01:29 AM

Hmm... very nice machine. I'm jealous. smile.gif

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#7 OFFLINE   burninbush

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Posted 27 February 2012 - 01:53 PM

QUOTE (pc-tecky @ Feb 26 2012, 10:15 PM) <{POST_SNAPBACK}>
... 1TB local storage, 3x3TB in raid 5 (yields ~6 TB) mass storage ...



Passing by and saw this question -- I don't have an answer to whatever question you were asking, but in particular I don't understand your size computation above.  

Wouldn't a real hardware RAID5 require 5 hard disks?  And how did the other ~3TB get used up?  

And finally for anybody with that much disk storage, what is the plan to back it up?  



#8 OFFLINE   ross549

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Posted 27 February 2012 - 09:10 PM

RAID 5 requires three disks. Counterintuitive, I know. RAID 5 has a two disks striped with a parity disk.

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#9 OFFLINE   Tushman

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Posted 28 February 2012 - 01:22 AM

QUOTE (burninbush @ Feb 27 2012, 11:53 AM) <{POST_SNAPBACK}>
Wouldn't a real hardware RAID5 require 5 hard disks?  And how did the other ~3TB get used up?


The 5 in RAID 5 does not mean 5 hard drives.

http://en.wikipedia.org/wiki/RAID_5#RAID_5


QUOTE (pc-tecky @ Feb 16 2012, 06:20 PM) <{POST_SNAPBACK}>
crying.gif So I updated my BIOS, and that made my mass storage drive (raid 5) disappear in windows 7 x64. Made some minor changes in the BIOS and the drive was back.  Updated the drivers and the utility and now the drive is gone again.  Is AMD's RAID hardware or software based? Is there a way that I can restore the contents of this raid 5 drive or its configuration?? Is all now lost? (hard drives have not been formatted yet)



pc-tecky, before you flashed your BIOS - did you bother writing down all your settings?  Sometimes when you flash the BIOS, depending on the motherboard, this will often reset the settings back to default.  I would suggest that you look in the settings and verify if RAID has been enabled after the flashing process.

Edited by Tushman, 28 February 2012 - 01:26 AM.


#10 OFFLINE   abarbarian

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Posted 28 February 2012 - 09:09 AM

Why are you asking about,

QUOTE
Is AMD's RAID hardware or software based?


When you have a ,

QUOTE
MSI 890FXA-GD70 mobo
  ??

Have you made sure that the three sata sockets that you use for the Raid 5 are enabled for Raid in the Bios ?

Have you tried reinstalling your mobo Raid utilities/drivers since the bios update ?

Can you not roll back your bios using the tools provided ?

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#11 OFFLINE   burninbush

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Posted 28 February 2012 - 02:22 PM

RAID 5 requires three disks. Counterintuitive, I know. RAID 5 has a two disks striped with a parity disk.

Adam  

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Yeah, so I see.  Also explains where the 3tb got lost.  

But this was not always the case; the first RAID 5 arrays I ever saw were at work in the late 1990's -- and those required 5 physical drives.  We sold an option to customers that had 5 full-height 9.1gb scsi drives in a box, very expensive.  Also very unreliable.  

Even now, if you google "RAID 5 configuration" many of the articles are about 5-drive assemblies.  For example http://searchstorage.techtarget.com/definition/RAID.  


#12 OFFLINE   Tushman

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Posted 28 February 2012 - 11:37 PM

QUOTE (abarbarian @ Feb 28 2012, 07:09 AM) <{POST_SNAPBACK}>
Can you not roll back your bios using the tools provided ?


The OP should not have to roll back to a previous BIOS version just to get RAID working again.  What is the whole point of flashing the BIOS - to get upgrades/new features/address bugs in the current BIOS!

Like I told the OP in my last post - he needs to go back to the RAID menu options and make sure that RAID has been enabled for the SATA drives.  More than likely when he flashed his BIOS, it set his settings back to default.

#13 OFFLINE   pc-tecky

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Posted 29 February 2012 - 03:59 PM

A recap:

Yes, MSI Live Update is installed and that's what I used.

So I had a minor issue after updating the BIOS, but was quickly resolved when reviewing the settings in BIOS (changed the SATA options back to RAID from the choices of Legacy, AHCI, or RAID). I should have stopped here.

When the RAID drivers and the utility for the OS were updated, all broke loose and was lost. Thus my question, with the MSI 890FXA-GD70 mobo, is the AMD's RAID option on the 8xx (apparently 7xx and 9xx too) south bridge chip truly hardware based, software based, or some hybrid?  In other words what does most of the work, the CPU with software or the hardware chip with the proper drivers? Why did I loose my RAID 5 configuration (and the data) when installing the new drivers??  Ideally the configuration information should have remained untouched.

Roll-back/system restore disabled as Win7 sits on SSD. Moved page file, temp, users, etc. to 1 TB drive. I wouldn't mind system restore if I could place it where I want it. First time playing with RAID.

P.S. - So how does $50/TB sound? Now its $130/TB or so. I laughed when a few months later I saw $400+ for the 3TB drives. My wife doesn't think I'm so crazy now.

Edited by pc-tecky, 29 February 2012 - 04:10 PM.


#14 OFFLINE   abarbarian

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Posted 29 February 2012 - 07:09 PM

QUOTE (Tushman @ Feb 28 2012, 11:37 PM) <{POST_SNAPBACK}>
The OP should not have to roll back to a previous BIOS version just to get RAID working again.  What is the whole point of flashing the BIOS - to get upgrades/new features/address bugs in the current BIOS!

Like I told the OP in my last post - he needs to go back to the RAID menu options and make sure that RAID has been enabled for the SATA drives.  More than likely when he flashed his BIOS, it set his settings back to default.


QUOTE
Have you made sure that the three sata sockets that you use for the Raid 5 are enabled for Raid in the Bios ?


That was my second question.

As far as updating bios goes I was under the impression that it was best practice to only update if the newer bios were offering some new features for your particular set up.
As an example there are bios updates for my mobo but they only offer features for inclusion of newer cpu's than mine so I have not updated.

Looks like the problem is solved  thumbsup.gif

My bad as well, of course the 890FX is a AMD chip and as far as I know it is a software raid.  rolleyes.gif
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