Re: RAID bus controller: Promise Technology, Inc. PDC20376 (FastTrak376)(rev 02)

2005-03-01 Thread Michal Schmidt
Superuserman wrote:
The BIOS can set the disks up as RAID0, RAID1 or
RAID0+1 or as individual disks. How can I tell the
sata_promise I am using RAID mode not individual disks?
You can use normal Linux software RAID (CONFIG_BLK_DEV_MD in kernel 
configuration). It works on any controller. You have to set it up using 
standard Linux tools.
See http://www.tldp.org/HOWTO/Software-RAID-HOWTO.html

Michal
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Re: Re: RAID bus controller: Promise Technology, Inc. PDC20376 (FastTrak376)(rev 02)

2005-02-28 Thread Superuserman
[EMAIL PROTECTED] wrote:
The native Promise RAID mode is now a big turn off. 

Beacuse there is no such thing. Your Promise is not a HW RAID controller.
Please see
http://linux.yyz.us/sata/faq-sata-raid.html and
http://linux.yyz.us/sata/software-status.html#pata
Michal
+
Michal-
No, Promise RAID mode is not a HW RAID controller.
I think the Promise RAID mode is a TOY RAID controller.
I already tried the HW_raid module and that didn't work. I
tried the sata_promise module and that didn't work either. I
can't find the TOY_raid module for Promise. I have a VIA
RAID also on the motherboard and think that also uses the
TOY_raid module.
Does anybody have the TOY_raid module for Promise or VIA?
What about Intel and Sil? This seems to be a problem with
i386 also for all motherboards with a TOY RAID in the BIOS.
Thanks for the links. The VIA RAID mode and Promise RAID
mode have a BIOS ROM chip not a PGA chip so they aren't
hardwired. The BIOS can set the disks up as RAID0, RAID1 or
RAID0+1 or as individual disks. How can I tell the
sata_promise I am using RAID mode not individual disks?
I don't think the sata_promise was designed to use the
native Promise RAID mode. Is there someplace that says not
to use the sata_promise for native Promise RAID mode?
I don't disagree with the sata_promise not supporting the
native Promise RAID mode because TOY RAID is bad RAID and
not good enough for Linux. Did I miss something someplace?
Maybe I should say:
The native Promise RAID mode is a big don't turn on.

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Re: RAID bus controller: Promise Technology, Inc. PDC20376 (FastTrak376) (rev 02)

2005-02-25 Thread Superuserman
Goswin wrote:
Hi,
I got 2 new SATA drives and pluged them into the onboard Promise
PDC20376 (FastTrak 376) and run badblocks on them (both in
parallel). The write test completed fine but readcompare locked up my
system.
I repeated with a read-only test and again it locked up with an DMA
timeout.
Does anyone have the onboard Promise successfully in use on an Asus
K8V board?
MfG
Goswin

Goswin-
My experience is now negative for the Promise controller
under linux for the Promise mirroring mode.
Writing to the SATA sda2 with an ext2 filesystem was not
mirrored to the hidden PATA at all. The Promise controller
did not notice the discrepancy and did not want to rebuild
the array nor permit rebuilding when prompted.
I think this is a failure of the Promise controller to cope
with the ext2 filesystem or perhaps to more than one
partition without regard to the way the sata_promise driver
writes to the array.
There was no way found to mirror less than a full disk.
The disks are handled differently by DOS and Linux under
the current sata_promise driver. The DOS makes two disks
available when mirroring is turned off and one disk when
mirroring is turned on. Linux now presents one disk whether
mirroring is on or off. The new 2.6.11 is supposed to
contain changes in the way the disks can be accessed.
I don't think the Promise controller can natively cope with
ext2 filesystems and probably many more. The Promise
controller says the array is functional when the mirror is
bad. My tests showed the RAID was not mirroring at all
while saying the array was functioning properly.
If my testing was accurate, the Promise controller fails
in mirroring and the native RAID features are unusable for
Linux. I have no information about the striping features.
I have no plans to use the native Promise RAID modes in the
future. They have limited capability to offer and failed in
serious ways during my several installations.
The native Promise RAID mode is now a big turn off.

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Re: RAID bus controller: Promise Technology, Inc. PDC20376 (FastTrak376) (rev 02)

2005-02-25 Thread Michal Schmidt
Superuserman wrote:
The native Promise RAID mode is now a big turn off.
Beacuse there is no such thing. Your Promise is not a HW RAID controller.
Please see
http://linux.yyz.us/sata/faq-sata-raid.html and
http://linux.yyz.us/sata/software-status.html#pata
Michal
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Re: RAID bus controller: Promise Technology, Inc. PDC20376 (FastTrak376) (rev 02)

2005-02-24 Thread Superuserman
Goswin wrote:
Hi,
I got 2 new SATA drives and pluged them into the onboard Promise
PDC20376 (FastTrak 376) and run badblocks on them (both in
parallel). The write test completed fine but readcompare locked up my
system.
I repeated with a read-only test and again it locked up with an DMA
timeout.
Does anyone have the onboard Promise successfully in use on an Asus
K8V board?
MfG
Goswin

+
Goswin-
Promise is GARBAGE for mirroring.
I activated the Promise RAID TX2plus in my ASUS AV8 Deluxe 
with one SATA and one PATA in a RAID mirror mode. The status 
was Critical for every reboot because the mirror didn't 
match and had to be rebuilt. This was in DOS not Linux.

The mirror mode is just a batch DISKCOPY upon command.
I initialized the mirror and FDISK showed only drive f: so 
the mirroring was active. I copied a file to drive f: and 
then rebooted without then rebuilding the mirror and turned 
the RAID off. There was nothing in drive g:! I turned the 
RAID back on and rebuilt the mirror and then went back to 
IDE and the file was then in drive g:!

Pure garbage.
The Promise mirroring is Garbage. Maybe Promise striping is 
better.

Does the AMD64 have enough power to use md with Promise 
turned off?


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Re: RAID bus controller: Promise Technology, Inc. PDC20376 (FastTrak376) (rev 02)

2005-02-23 Thread Goswin von Brederlow
the owner [EMAIL PROTECTED] writes:


 Greetings Goswin-


 I have the Promise disabled in the BIOS. I was going to use
 my two 250G PATA in a raid only changed my mind.

 Have you checked out the source? http://linux.yyz.us/sata/

Doesn't list that model.

MfG
Goswin


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Re: Re: RAID bus controller: Promise Technology, Inc. PDC20376(FastTrak376) (rev 02)

2005-02-23 Thread the owner
Goswin wrote:
I got 2 new SATA drives and pluged them into the onboard Promise
PDC20376 (FastTrak 376) and run badblocks on them (both in
parallel). The write test completed fine but readcompare locked up my
system.
I repeated with a read-only test and again it locked up with an DMA
timeout.

Does anyone have the onboard Promise successfully in use on an Asus
K8V board?
+++
Goswin-
Mine is the PDC20378 aka TX2 with 2SATA+PATA
controlled by the sata_promise kernel module.
The PDC20376 is probably very similar, maybe 133 vs 150 or
something trivial.
That should be listed as TX4/TX2 in the kernel config under
low level scsi drivers. The TX4 is a 4SATA chip and uses the
same driver as the TX2.
The TX2 and TX4 were add-in cards using the PDC2037x chips.
I built a kernel with the promise enabled and there were no
problems.
Maybe the K8 Motherboard List should list sata_promise not
PDC2037x to be consistent.
The Promise SATA is production code and aught to be working.
PATA maybe not depending on the kernel, never did try.

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Re: RAID bus controller: Promise Technology, Inc. PDC20376(FastTrak376) (rev 02)

2005-02-23 Thread Goswin von Brederlow
the owner [EMAIL PROTECTED] writes:

 Goswin wrote:

 I got 2 new SATA drives and pluged them into the onboard Promise
 PDC20376 (FastTrak 376) and run badblocks on them (both in
 parallel). The write test completed fine but readcompare locked up my
 system.
 I repeated with a read-only test and again it locked up with an DMA
 timeout.
 Does anyone have the onboard Promise successfully in use on an Asus
 K8V board?

 +++

 Goswin-

 Mine is the PDC20378 aka TX2 with 2SATA+PATA
 controlled by the sata_promise kernel module.

 The PDC20376 is probably very similar, maybe 133 vs 150 or
 something trivial.

It is supported by the source as such, it has the PCI id in its
list. The problem is it doesn't seem to work right. I have a TX4 too
which works perfectly.

It seems noone else is using the onboard 20376 so it might not be
surprising that bugs haven't been found.

MfG
Goswin


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Re: RAID bus controller: Promise Technology, Inc. PDC20376(FastTrak376) (rev 02)

2005-02-23 Thread Matthias Julius
Goswin von Brederlow [EMAIL PROTECTED] writes:

 It is supported by the source as such, it has the PCI id in its
 list. The problem is it doesn't seem to work right. I have a TX4 too
 which works perfectly.

 It seems noone else is using the onboard 20376 so it might not be
 surprising that bugs haven't been found.

I have an ASUS K8V with a Promise PDC20376.  It is running under
kernel 2.6.9-9-amd64-k8 without problems so far.  I probably have
never put a very high load on it.

Matthias


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Re: RAID bus controller: Promise Technology, Inc. PDC20376 (FastTrak376) (rev 02)

2005-02-22 Thread the owner
Goswin wrote:
Hi,
I got 2 new SATA drives and pluged them into the onboard Promise
PDC20376 (FastTrak 376) and run badblocks on them (both in
parallel). The write test completed fine but readcompare locked up my
system.
I repeated with a read-only test and again it locked up with an DMA
timeout.
Does anyone have the onboard Promise successfully in use on an Asus
K8V board?
MfG
Goswin
+++
Greetings Goswin-
I have the Promise disabled in the BIOS. I was going to use
my two 250G PATA in a raid only changed my mind.
Have you checked out the source? http://linux.yyz.us/sata/

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