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humi
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Joined: 22 Oct 2003
Posts: 20
Location: Dresden, Germany

PostPosted: Wed Oct 22, 2003 10:18 pm    Post subject: promise raid controller - linux and windows Reply with quote

[size=24]first of all: sorry for my sometimes bad english (i'm only a german ;-))

after reading too much post's about promise raid, i'll post my solution.

hardware:
hda: 80g hd
hdc: dvd
hdd: cdrw
promise 20276: 2x80g (raid0 via promise fasttrack bios-utility)

windows and linux boot on hda

promise raid used as "bigdump" (one partition fat32) to share data among windows/linux (windows works fine, partions on raid-controller-hd's created by windows-progs)


1) Install Gentoo

like discribted in the "gentoo install howto".

step "kernel-compiling":
*>genkernel --config

ATA/IDE... > IDE, ATA, ... > Promise PDC202{xx} = on
ATA/IDE... > IDE, ATA, ... > Special FastTrack Feature = on !!!
ATA/IDE... > IDE, ATA, ... > Support for IDE Raid ... = Module
ATA/IDE... > IDE, ATA, ... > Support for Promise Software Raid ... = Module

2) mounting

after 1st booting
*>emerge -u system&&emerge -u world


if exist /etc/modules.autoload (*> ls /etc/modules.autoload)
remove it (*> rm /etc/modules.autoload)

*> rc-update add modules default

add following lines to /etc/modules.autoload.d/kernel-2.x (x = Subversion of your kernel; e.g.: kernel 2.4.23 => x=4):
ataraid
pdcraid

edit fstab (*> nano -w /etc/fstab)
/dev/ataraid/disc0/part1 /mnt/bigdump vfat ....

reboot, after rebooting, it should work


i hope, i could help someone

Humi

ps: i use linux since a year. (suse-mandrake-debian-...-debian-gentoo-:-))
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hopstah
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Joined: 23 Nov 2003
Posts: 234
Location: Michigan

PostPosted: Tue Jan 13, 2004 6:47 pm    Post subject: Reply with quote

wow, well done! thanks for this. this is exactly what i needed to get my ata/raid working.
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breakerfall
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Joined: 02 Aug 2003
Posts: 509
Location: Manchester, UK

PostPosted: Sun Feb 01, 2004 8:54 pm    Post subject: Reply with quote

hmmm

I'm using the Gentoo-developmenet-sources 2.6.2rc1 and I don't see all of those options. I have enabled pdc202xx promise raid support (I have an onboard 20276 running as ATA) but I don't see those other options. :|
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Swordmaster
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Joined: 04 Feb 2004
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PostPosted: Wed Feb 04, 2004 5:16 am    Post subject: Finding the resources Reply with quote

in 2.6 these images seem to be hidden. First of all, when you select pdc202xx the option for fastrack will become available. as for the other 2 they can be found under Device Driver --> Multi-Device Support --> Multi devices driver support. Once this is selected (it cannot be a module) you can enable Raid support which is the software raid support
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breakerfall
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PostPosted: Wed Feb 04, 2004 12:48 pm    Post subject: Re: Finding the resources Reply with quote

Swordmaster wrote:
in 2.6 these images seem to be hidden. First of all, when you select pdc202xx the option for fastrack will become available. as for the other 2 they can be found under Device Driver --> Multi-Device Support --> Multi devices driver support. Once this is selected (it cannot be a module) you can enable Raid support which is the software raid support

That's the problem. I don't have the fasttrack option at all when I select PDC202xx :|

Will try a different release.
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Passe-Poil
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Joined: 18 Feb 2004
Posts: 139
Location: Québec, QC, Canada

PostPosted: Tue Feb 24, 2004 12:22 pm    Post subject: Promise RAID support under 2.6 Reply with quote

I also have a Promise PDC20276 with a raid 0 setup and I really think the 2.6 kernel doesn't support it even though the options are in the config (and PLEASE correct me if I'm wrong as I want 2.6 really bad!!).

Using gentoo-2.4.22-r5 with relatively good performance.
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breakerfall
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Joined: 02 Aug 2003
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Location: Manchester, UK

PostPosted: Tue Feb 24, 2004 7:13 pm    Post subject: Reply with quote

It does work..... sorry - I forgot about this post - I should have updated. They changed the name of the option for fastrak in the 2.6 kernel set.

When selecting the RAID controller, compile that in and also compile the option: "Enable controller even if disabled by BIOS".


Then as posted above, when you reboot you should be able to mount /dev/ide/host2/bus1/target1/lun0/part1 or hdh

Good luck.
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Passe-Poil
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Joined: 18 Feb 2004
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Location: Québec, QC, Canada

PostPosted: Thu Mar 25, 2004 9:04 pm    Post subject: Reply with quote

I tried this at home, to no avail.
Do I really need to use /dev/ide/host2/bus1/target1/lun0/part1 or will /dev/discs/disc0/part1 also work ??

thanks !
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breakerfall
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PostPosted: Fri Mar 26, 2004 7:01 pm    Post subject: Reply with quote

Play around, see what works best for you.

/dev/ide/host2/bus1/target1/lun0/part1 or /dev/hdh

Were what I had to use (and other people too I believe).
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GurliGebis
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Joined: 08 Aug 2002
Posts: 509

PostPosted: Sat Mar 27, 2004 1:33 pm    Post subject: Reply with quote

And for the people who wants to do it on their own, so they do not need genkernel and 2000 unneeded modules should do this:
Code:
Add the controller to the config and add ATARAID.
In grub.conf do not add the root= part of the kernel line.
Use /dev/ataraid/disc0/partX notation in /etc/fstab

That should do it for them.
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