OT 2nd posting pci ata card ??

[Patrick Siglin]

Dave S wrote:
> On Saturday 01 April 2006 21:15, Dave S wrote:
>   
>> On Saturday 01 April 2006 20:55, Antony Gelberg wrote:
>>     
>>> Dave S wrote:
>>>       
>>>> On Saturday 01 April 2006 20:28, Antony Gelberg wrote:
>>>>         
>>>>> Dave S wrote:
>>>>>           
>>>>>> Hi all,
>>>>>>
>>>>>> This is a second posting because I could really do with some advice. I
>>>>>> have a raid HDD on hda and hdc, works a treat.
>>>>>>
>>>>>> I have a DVDRW on hdb, it works but cripples my system when I use it.
>>>>>> I need a workaround.
>>>>>>             
>>>>> Is DMA on for that drive?  If not, turn it on.  man hdparm.  It may
>>>>> well make a difference.  There's so much conflicting information about
>>>>> this, and most people who comment have no idea about how IDE or DMA
>>>>> work (me included).
>>>>>           
>>>> Yep DMA is on, and the drives fly. i am happy with the RAID performance
>>>> it is faster than a single drive (though not massively so)  but when i
>>>> use hdb it all but locks up my machine.
>>>>         
>>> I meant for hdb.
>>>       
>> Opps sorry ... I enabled DMA on hdb and got some hda seek errors in syslog,
>> some failing to boot due to unable to module problems and fsck failure
>> (gulp!) so I turned off DMA for hdb and the system became stable again
>>
>> Dave
>>     
>
> Yep I know its odd and should not happen, but there is obviously a conflict 
> here. Another reason the separate hda & hdb
>
> Dave
>
>   
It still sounds like both the dvd and one of the hd's are on the same 
ide interface.