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Magic Michael n00b
Joined: 02 Aug 2004 Posts: 53 Location: Berlin (West) / Deutschland
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Posted: Wed May 18, 2005 8:33 pm Post subject: Moving ext3-formatted disks from x86 to sparc ? |
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Hi all,
in my fileserver I want to replace the pentium3-board with an UltraAXi-board, an Ultra 10 clone board with scsi onboard, no IDE. My data disks (2x 200GB, 2x 160GB) are connected to a Promise 100TX2 (non raid-)IDE-controller, which has to live in that sparc-board, too. Should I expect any trouble with the data disks, because they were partitioned and formatted with x86-Linux and now have to run with sparc-Linux ? Or is it indeed compatible and my data safe ? Booting from the promise controller is not needed (and not possible on sparc, I know).
I know I have to re-install my Gentoo on the scsi-system-disk.
Thanks
Michael |
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msalerno Veteran
Joined: 17 Dec 2002 Posts: 1338 Location: Sweating in South Florida
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Posted: Wed May 18, 2005 9:03 pm Post subject: |
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Your data should be intact. The filesystem is independent of the system architecture. |
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ciaranm Retired Dev
Joined: 19 Jul 2003 Posts: 1719 Location: In Hiding
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Posted: Fri May 20, 2005 7:36 am Post subject: |
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The filesystem is architecture independent. However, x86 systems use DOS disclabels whereas sparc systems use Sun disclabels, so you won't be able to read the partition table unless you tinker with your kernel config. |
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Magic Michael n00b
Joined: 02 Aug 2004 Posts: 53 Location: Berlin (West) / Deutschland
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Posted: Sat May 21, 2005 6:58 am Post subject: |
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Hmm, what do you mean with "tinker with your kernel config", ciaranm ? That sounds like I have to do more than just check
CONFIG_MSDOS_PARTITION=y
CONFIG_SUN_PARTITION=y
in my kernel config (?)
Any hints ? |
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ciaranm Retired Dev
Joined: 19 Jul 2003 Posts: 1719 Location: In Hiding
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Posted: Sat May 21, 2005 7:03 am Post subject: |
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Magic Michael wrote: | Hmm, what do you mean with "tinker with your kernel config", ciaranm ? That sounds like I have to do more than just check
CONFIG_MSDOS_PARTITION=y
CONFIG_SUN_PARTITION=y
in my kernel config (?)
Any hints ? |
Naah, that should do. CONFIG_MSDOS_PARTITION wasn't on by default at one point, can't remember whether that's still the case. |
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rouben Apprentice
Joined: 07 Feb 2005 Posts: 159 Location: Thornhill, ON, Canada
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Posted: Wed May 25, 2005 3:41 am Post subject: |
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What about endianness? AFAIK SPARC is big-endian and x86 is little-endian. |
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ciaranm Retired Dev
Joined: 19 Jul 2003 Posts: 1719 Location: In Hiding
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Posted: Wed May 25, 2005 5:50 am Post subject: |
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rouben wrote: | What about endianness? AFAIK SPARC is big-endian and x86 is little-endian. |
The only filesystems with endianness bugs are ricer4 and xfs. |
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Toady Apprentice
Joined: 21 Dec 2004 Posts: 161 Location: South Wales, UK
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Posted: Fri May 27, 2005 7:58 am Post subject: |
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I dont think there will be any problems, when I was starting out with gentoo on my SS20's I was very new to sun hardware and accidentally used fdisk to wipe the partition table and write a DOS one (as you can do on sun boxes) and installed and ran the system fine with no problems.
I would suggest that it wont be a problem but of corse you should back up your data before you start (as it says on every good manual) _________________ Toady
Gentoo Laptop
3.1.10-gentoo-r1, Intel Core 2 Duo (32bit)
Gnome on the desk, Intel in the box, on-board everything, but it all works! |
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