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mfdemicco
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Post subject: RAID array
 Posted: 11.12.2010, 21:51
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Joined: 2010-09-18
Posts: 8
Status: Offline
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| I have a new computer with Windows 7 on a RAID 1 array. aptosid is on a separate drive as is Grub2. After doing an update-grub, Grub2 sees this array as two separate drives. How can I make Grub2 see the RAID array as one? |
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kenyee
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Post subject: RE: RAID array
Posted: 12.12.2010, 12:48
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Joined: 2010-09-29
Posts: 76
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Is it a hardware RAID1 array? (i.e., separate card that does the RAID1)
or is a BIOS RAID1 array (like the "RAID1" that Intel "includes" which is really software?
Most likely the latter in which case you'd use dmraid on Linux...
You're actually better off using mdraid (full Linux raid) because you can move it to another computer easily w/o a dependency on your pseudo-hardware raid... |
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slam
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Post subject: RE: RAID array
Posted: 12.12.2010, 12:56
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Team Member
Joined: 1970-01-01
Posts: 606
Location: w3
Status: Offline
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slam
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Post subject: RE: RAID array
Posted: 12.12.2010, 13:08
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Team Member
Joined: 1970-01-01
Posts: 606
Location: w3
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Just to add: Aptosid fully supports serious hardware RAID out of the box, but not all software and fake RAID setups. If you depend on this, please see our old site, the forum and the wiki there contain a lot of information for it. But again, please seriously consider to use the second HDD for something much more usefull (backups, tests, etc.) instead.
Greetings,
Chris |
_________________
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development is life
my Debian repo
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mfdemicco
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Post subject: Re: RE: RAID array
Posted: 12.12.2010, 15:30
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Joined: 2010-09-18
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kenyee wrote:
Is it a hardware RAID1 array? (i.e., separate card that does the RAID1)
or is a BIOS RAID1 array (like the "RAID1" that Intel "includes" which is really software?
Most likely the latter in which case you'd use dmraid on Linux...
You're actually better off using mdraid (full Linux raid) because you can move it to another computer easily w/o a dependency on your pseudo-hardware raid...
Yes, it is a BIOS RAID 1 array. If I choose one of the RAID disks to boot Windows from in Grub2, is that a problem? Should there be an 'insmod mdraid' in grub.conf somewhere? I don't see it. |
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kenyee
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Post subject: RE: Re: RE: RAID array
Posted: 20.12.2010, 18:42
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Joined: 2010-09-29
Posts: 76
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no, not a problem...windows should boot up and do the bios/software raid thing and find the other drive.
You want *dm*raid, no *md*raid if you want to be compatible w/ Intel's BIOS RAID.
I wouldn't bother though  |
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mfdemicco
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Post subject: RE: Re: RE: RAID array
Posted: 21.12.2010, 15:01
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Joined: 2010-09-18
Posts: 8
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| Actually, I got it sorted out. It was simple. I just had to install dmraid. The RAID 1 array appears in /dev/mapper. Grub2 sees the array as one drive and I auto mounted it as ntfs read only in fstab. I have a second drive that I installed various Linux distros and Grub2 to, and just want to leave the RAID array to Windblows 7. |
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