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voltaic
n00b
Joined: 14 Jun 2006
Posts: 44
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 Posted: Sat Jul 15, 2006 3:09 am Post subject: [solved] Promise TX4200 RAID support not working |
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I have a Promise TX4200 sata raid card that i cannot for the life of me get to work under kernel 2.6.16 r12
the sata part works, but the raid does not. i have a 3 drive raid-0 setup, and i can see each individual drive when i run fdisk -l, but cannot get it to recognize that those are supposed to be one drive.
i have tried various combinations of drivers being both compiled into the kernel and as modules, etc, etc, etc.
promise has the source for the driver (compatible with 2.4) but really have no idea what how i would install that if i WAS running 2.4
please, please if anyone could help out with this i would be very greatful!!
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Sam C Anderson
Last edited by voltaic on Sun Jul 16, 2006 10:50 pm; edited 1 time in total |
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Dieter@be
Guru
Joined: 03 Apr 2005
Posts: 314
Location: Wetteren, Belgium
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| Posted: Sat Jul 15, 2006 6:55 pm Post subject: |
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did you configure your raid controller to make 1 logical disk out of the array? maybe it's just on default settings?
or if the configuration is not done in the bios/... of the card itself, but in the driver, maybe that configuration is lost because of the update?
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voltaic
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Joined: 14 Jun 2006
Posts: 44
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| Posted: Sat Jul 15, 2006 8:31 pm Post subject: |
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it's configured correctly. the RAID drive is where my windows installation resides.
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Sam C Anderson |
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phorn
Tux's lil' helper
Joined: 01 Jul 2006
Posts: 109
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| Posted: Sun Jul 16, 2006 8:01 am Post subject: |
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You can look at this post, with a Promise SATA raid controller:
https://forums.gentoo.org/viewtopic-t-477278-highlight-.html
I think you will want to use a device mapper interface.
Also, you always should look at your partitions: | Code: | | cat /proc/partitions |
as well as your device mapper devices:
I believe he fixed it by upgrading to dmraid rc11 (not in portage):
http://people.redhat.com/~heinzm/sw/dmraid/tst/
but you will also need certain kernel drivers enabled (I think it was pdc_adma, dm_mod, dm_mirror, but it may be different for you) |
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dsd
Developer
Joined: 30 Mar 2003
Posts: 2162
Location: nr London
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| Posted: Sun Jul 16, 2006 8:53 am Post subject: |
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your hardware is not a raid controller. instead it uses a promise-specific on-disk format and hides this from you in windows by providing you with drivers which make it look like a real raid.
if you want to use these fake raid capabilities in linux, you need device mapper and dmraid. unfortunately we dont really have any official documentation on this, although there is a bug open.
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voltaic
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Joined: 14 Jun 2006
Posts: 44
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| Posted: Sun Jul 16, 2006 10:50 pm Post subject: |
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OK, that did it. i installed device mapper, and dmraid. i'm not sure about his version of dmraid not working with the promise. i did install from source instead of portage, and used version rc10 and everthing worked fine.
thanks for the help!
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Sam C Anderson |
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