Re: Crashes and HDD params

2006-06-23 Thread knitti

On 6/23/06, Tobias Ulmer [EMAIL PROTECTED] wrote:


Looks like this is an older box (no dmesg, so it's just a guess). I have
a board ('96) that doesn't do any dma, but accepts to be set to pio 4,
dma 2. This results in several crashes per day, corrupt data on ro
filesystems and so on. Changing wd to 0xffc (pio 4) does fix it.


this doesn't neccessarily mean the controller or disk is buggy, it could
just be a bad cable, which works, if not used at top speed (or, more correctly,
frequency). I have seen this multiple times with almost any os (that supports
udma)

--knitti



Re: Crashes and HDD params

2006-06-23 Thread Tobias Ulmer
On Fri, Jun 23, 2006 at 12:50:15PM +0200, knitti wrote:
 On 6/23/06, Tobias Ulmer [EMAIL PROTECTED] wrote:
 
 Looks like this is an older box (no dmesg, so it's just a guess). I have
 a board ('96) that doesn't do any dma, but accepts to be set to pio 4,
 dma 2. This results in several crashes per day, corrupt data on ro
 filesystems and so on. Changing wd to 0xffc (pio 4) does fix it.
 
 this doesn't neccessarily mean the controller or disk is buggy, it could
 just be a bad cable, which works, if not used at top speed (or, more 
 correctly,
 frequency). I have seen this multiple times with almost any os (that 
 supports
 udma)
 
 --knitti
 


In this case, no. It's documented in the BIOS manual of this specific
board.

Tobias 



Re: Crashes and HDD params

2006-06-22 Thread Tobias Ulmer
On Wed, Jun 21, 2006 at 10:40:56PM -0400, Nick Holland wrote:
 Przemys3aw Pawe3czyk wrote:
 Hi,
 
 How to change HDD parameters like this:
 
 wd1 at pciide0 channel 1 drive 0: FUJITSU MPD3084AT
 wd1: 16-sector PIO, LBA, 8063MB, 16514064 sectors
 wd1(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 2
 
 to get rid off the crashes I register several times a day? With very bad 
 results on my files.
 
 What parameters are you trying to change?  Why do you think it will have 
 ANYTHING to do with fixing your crashes?
 
 The disk's parameters are what they are.  The disk knows what they are, 
 the OS asks, the disk responds.  The OS reports and utilizes them. 
 Other than the DMA and PIO modes, there isn't much to change.
 
 Yes, crashes are bad on lots of things.
 Altering the disk parameters is bad in much the same way...you will just 
 add problems, not fix them.
 
 Nick.
 


Looks like this is an older box (no dmesg, so it's just a guess). I have
a board ('96) that doesn't do any dma, but accepts to be set to pio 4,
dma 2. This results in several crashes per day, corrupt data on ro
filesystems and so on. Changing wd to 0xffc (pio 4) does fix it.

Tobias



Crashes and HDD params

2006-06-21 Thread Przemysław Pawełczyk
Hi,

How to change HDD parameters like this:

wd1 at pciide0 channel 1 drive 0: FUJITSU MPD3084AT
wd1: 16-sector PIO, LBA, 8063MB, 16514064 sectors
wd1(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 2

to get rid off the crashes I register several times a day? With very bad 
results on my files.

Cheers,
warpman (Przemys3aw Pawe3czyk)

http://warpman.kv.net.pl



Re: Crashes and HDD params

2006-06-21 Thread Nick Holland

Przemys3aw Pawe3czyk wrote:

Hi,

How to change HDD parameters like this:

wd1 at pciide0 channel 1 drive 0: FUJITSU MPD3084AT
wd1: 16-sector PIO, LBA, 8063MB, 16514064 sectors
wd1(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 2

to get rid off the crashes I register several times a day? With very bad 
results on my files.


What parameters are you trying to change?  Why do you think it will have 
ANYTHING to do with fixing your crashes?


The disk's parameters are what they are.  The disk knows what they are, 
the OS asks, the disk responds.  The OS reports and utilizes them. 
Other than the DMA and PIO modes, there isn't much to change.


Yes, crashes are bad on lots of things.
Altering the disk parameters is bad in much the same way...you will just 
add problems, not fix them.


Nick.