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List:       ataraid-list
Subject:    RE: raid 0 pdc20276 and rh 7.2, install ok, but kernel
From:       Paul Barrette <barrettep () rogers ! com>
Date:       2002-05-11 17:53:05
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Hi,
thanks for the response:

On Sat, 2002-05-11 at 12:39, Anton Resnick wrote:
> I got 7.2 with a standard 2.4.18 kernel working. 

Did you find the performance comparable to the default with ft module? 
Could you send my your .config?  Maybe there are some differences with
my chipset and the fasttrack133.


> Using the drivers from Promise, you are limited to using the 2.4.7-10
> kernel..default to 7.2. I contacted Promise, and they pretty much told me
> that they work on Redhat versions, and not on kernel versions, so getting a
> "precompiled" driver from them for a new kernel ain't going to happen very
> soon.
I read Promise's msg to Andre (kernel IDE guy), Promise wanted to talk
about putting their driver in the kernel tree.  But that didn't look
like it would happen.  Something about binary/bad code etc.  Too bad.

I guess Promise should come out with a 2.4.18 one soon since they should
support rh 7.3

> I have a slightly newer version of the ft.o drivers that Promise tech
> support sent me, let me know if you want them. Again these drivers are only
> for a a default RH 7.2 install..ie. 2.4.7-10 kernel.
Sure, thanks for offering, I'd like to try it.

Pb
 
> Anton
> 
> -----Original Message-----
> From: ataraid-list-admin@redhat.com [mailto:ataraid-list-admin@redhat.com]On
> Behalf Of Paul Barrette
> Sent: Saturday, May 11, 2002 11:49 AM
> To: ataraid
> Subject: raid 0 pdc20276 and rh 7.2, install ok, but kernel
> compile2.4.19-pre8 bad performance
> 
> Hi,
> I installed rh 7.2 with the the ft scsi mod from promise ok, but I
> thought I would recompile my kernel and try out the new ataraid support
> for my promise chipset, which is allegedly supported.  Hardware:
> 
> asus A7V333, 256 DDRRAM, 2xMaxstore ata133 40G
> promise PDC 20276/ MBFastTrack133 Lite
> nvidia geforce 2mx400
> 
> filesystems are all ext3
> 
> kernel 2.4.18 patched with patch-2.4.19-pre8
> 
> After compiling my kernel with the ataraid params, and rebooting, the
> mounting of filesystems takes about 5 minutes to complete.  Furthermore,
> performance is not very good.  E.g. dd if=/dev/zero of=big count=3000k
> takes more than 3 min.
> 
> With the promise supplied ft scsi mod, this same dd test takes about 1
> min 17 secs.
> 
> Rebooting with my kernel also causes some harddrive seek/read errors.
> 
> Has anyone had good results compiling their kernel?
> 
> thanks.
> 
> Paul
> 
> --
> 
> Paul Barrette
> Specialties: Network Programming, Linux/Unix, Latin, Greek
> 
> 0000000: 5369 6e67 2067 6f64 6465 7373 2c20 7468  Sing goddess, th
> 0000010: 6520 616e 6765 7220 6f66 2050 656c 6575  e anger of Peleu
> 0000020: 7327 2073 6f6e 2041 6368 696c 6c65 730a  s' son Achilles.
> 0000030: 616e 6420 7468 6520 6465 7661 7374 6174  and the devastat
> 0000040: 696f 6e2c 2077 6869 6368 2070 7574 2070  ion, which put p
> 0000050: 6169 6e73 2074 686f 7573 616e 6466 6f6c  ains thousandfol
> 0000060: 6420 7570 6f6e 2074 6865 0a41 6368 6169  d upon the.Achai
> 0000070: 616e 732e 2e2e 0a                        ans....
> 
> 
> 
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> 
> 
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-- 

Paul Barrette
Specialties: Network Programming, Linux/Unix, Latin, Greek

0000000: 5369 6e67 2067 6f64 6465 7373 2c20 7468  Sing goddess, th
0000010: 6520 616e 6765 7220 6f66 2050 656c 6575  e anger of Peleu
0000020: 7327 2073 6f6e 2041 6368 696c 6c65 730a  s' son Achilles.
0000030: 616e 6420 7468 6520 6465 7661 7374 6174  and the devastat
0000040: 696f 6e2c 2077 6869 6368 2070 7574 2070  ion, which put p
0000050: 6169 6e73 2074 686f 7573 616e 6466 6f6c  ains thousandfol
0000060: 6420 7570 6f6e 2074 6865 0a41 6368 6169  d upon the.Achai
0000070: 616e 732e 2e2e 0a                        ans....



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