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Elfiwolfe
2 Iron

Alienware ALX RAID 0 to RAID 5

Intel Rapid Storage Technology 9.6.0.1014
 Windows 7
Intel X58 Express
ICH10 Family
Help documents states I should be able to change a volume type from 2-disk RAID 0 to a 3 disk RAID 5
Currently have a 2 disk Raid 0 with ST31000528AS (seagate 1TB Barracuda 7200.12)
Have a 3rd that was a single D drive with nothing on it. It was used up rebuilding one of the raid disk.
so 2 disk Raid 0 2 more free disk (empty)
When there was 3 drives icons was Status, Manage, Preferences, Help
with nothing that was changable other than 3r drive could be made a spare.
Now have 4 drives icons are Status, Create, Manage, Preferences, Help
Under Create it has Raid 1, Raid 0, Raid 5(greyed out), Raid 10(greyed out)

Objective is to Migrate to a 3 disk RAID 5 or a 4 DISK RAID 10.
Manual says to "Chainging Volume Type"
1. under status or manage click the volume to modify.
2. Click 'change type' == I am unable to find a "change type" Under Manage Array the only choice is to enable or disable data cache Under Manage Volume the only choices is to rename, enable or disable data cache, Verify

Alienware: Area-51 ALX
Processor:
Intel Core i7 975 Extreme @ 3.33GHz
OS: Windows 7 Professional, 64bit Windows 10, 64bit
HDD: 3 x 1.5TB SATA-II, 7200rpm, 32mb cache HDDs
Memory: 12GB Triple-Channel 1333MHz DDR3
Graphic: 2x ATI 5970 XFX R9 295x2
Sound: Sound Blaster X-Fi Titanium
Mouse: Microsoft Sidewinder Razor Naga
Keyboard: G15 : AlienwareTactX
Media Card: 19-in-1 Media Card Reader
Optical Drive: 6X BD RW
Power Supply: 1.1 1.5KW Power Supply

Alienware: M11 Netbook

GSA 11 Information Technology Specialist

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5 Replies
Tesla1856
6 Gallium

Re: Alienware ALX RAID 0 to RAID 5

You seem to know a lot about it, so I would say Image the drives and then give it a go.

RAID 10 would be cool but I will probably just go RAID 0 with a large eSata drive (maybe an inexpensive WD Blue)  for monthly Acronis Images.

On my older XPS, the Intel Raid menu appears in the Bios postings. As I remember I actually used the Intel Matrix software (inside Vista) to RAID it, but I liked knowing I could do maintenance outside the OS if I needed to.

Do we have a Bios Raid menu? Does it not appear until you Raid something?


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Elfiwolfe
2 Iron

Re: Alienware ALX RAID 0 to RAID 5

One reason I want to migrate is because one drive became unstable within a week. But I had ordered that 3rd drive to be the same so got it migrated in a few hours and dell overnighted a replacement.

I don't want to image the drives because that would wipe the data.

Raid 5 or raid 0+1 would allow a drive to Catastrophicly fail and I would not lose data.

I think the problem is that for a boot OS drive it cannot be larger than 2TB and with 2 1TB drives in raid 0 it comes up to 2TB

So the Intel Rapid Storage Technology will not show the change raid from 0 to 5.

If I had smaller drives it would show the option.

I think that it is not possible to migrate due to the size.. I got the replace drive setup as a spare so incase the SMART shows a drive having problem the RST will automaticaly grab that drive and rebuild. and I back up data files and I have a DVD with the Alienware image on it to rebuild computer.

Alienware: Area-51 ALX
Processor:
Intel Core i7 975 Extreme @ 3.33GHz
OS: Windows 7 Professional, 64bit Windows 10, 64bit
HDD: 3 x 1.5TB SATA-II, 7200rpm, 32mb cache HDDs
Memory: 12GB Triple-Channel 1333MHz DDR3
Graphic: 2x ATI 5970 XFX R9 295x2
Sound: Sound Blaster X-Fi Titanium
Mouse: Microsoft Sidewinder Razor Naga
Keyboard: G15 : AlienwareTactX
Media Card: 19-in-1 Media Card Reader
Optical Drive: 6X BD RW
Power Supply: 1.1 1.5KW Power Supply

Alienware: M11 Netbook

GSA 11 Information Technology Specialist

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Chiller3333
2 Iron

Re: Alienware ALX RAID 0 to RAID 5

In INTEL Matrix Storage Manager this was very easy.

Of course, the easiest way is backing up everythng and reformat the drives under RAID 5.

I think that that's the last possibility.

[url=http://www.sysprofile.de/id115497][img]http://sig.sysprofile.de/cpu/sysp-115497.gif[/img][/url]

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Tesla1856
6 Gallium

Re: Alienware ALX RAID 0 to RAID 5

I don't want to image the drives because that would wipe the data.

No, I meant "Image" as in backup (to external drive).

Like Chiller suggests ... reconfig the RAID, then either

1. Restore backup image.

2. Reinstall Windows, reinstall programs, and then restore just the data files.


Registered Microsoft Partner and Apple Developer
- Like many of you, I can appreciate a good game-engine.
- I answer questions here, but I'm not a Dell employee.
- Consider giving posts you like a "thumbs-up"
- Posting models-numbers and software versions speeds trouble-shooting.
- Click "Accept as Solution" button on any post that answers your question best.
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Tesla1856
6 Gallium

Re: Alienware ALX RAID 0 to RAID 5

RAID 5 is a neat trick, but for a desktop workstation, I think you will be much happier with a RAID 10 ... just buy the extra drive so you have 4 ... 2 for RAID 0 speed, and then 2 more to backup those 2.

I would only use RAID 5 on a server (Server OS, dedicated RAID card with it's own co-processor, never turned off, always on a good UPS backup, no local user).

Even the server guys say it's not all it's cracked up to be. Losing a second drive (due to hardware failure or file system corruption) before the first one can be replaced and rebuilt is not unheard of.

See:

http://en.community.dell.com/owners-club/alienware/f/3746/p/19329017/19683992.aspx#19683992

Even he went back to RAID 1.

http://en.community.dell.com/support-forums/servers/f/906/p/19313687/19624167.aspx#19624167

Notice Servers (see above why that's a different/better environment)

http://jopinblog.wordpress.com/2008/04/15/raid-5-sucks-on-intel-matrix-ich8-integrated-controller/

You really need the dedicated RAID card ... after all, we want performance, right? Also read how the Indexing Service (of Desktop OS) caused RAID 5 corruption.


Registered Microsoft Partner and Apple Developer
- Like many of you, I can appreciate a good game-engine.
- I answer questions here, but I'm not a Dell employee.
- Consider giving posts you like a "thumbs-up"
- Posting models-numbers and software versions speeds trouble-shooting.
- Click "Accept as Solution" button on any post that answers your question best.
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