Re: Raid Card controller for FC System

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edwardspl@xxxxxxxxxx wrote:
> Thomas Kappelmueller wrote:
> 
>> Todd Denniston wrote:
>>
>>> Roger Heflin wrote, On 03/24/2008 02:20 PM:
>>>
>>>> edwardspl@xxxxxxxxxx wrote:
>>>>
>>>>> Alan Cox wrote:
>>>>>
>>>>>> On Sun, 23 Mar 2008 15:39:22 +0800
>>>>>> edwardspl@xxxxxxxxxx wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>> Dear All,
>>>>>>>
>>>>>>> Which model / type of ATA Raid card controller is good for work
>>>>>>> with New FC System ?
>>>>>>> Would you please recommend ?
>>>>>> Almost every 'raid' controller for ATA devices is just driver
>>>>>> level raid,
>>>>>> so equivalent to using the built in lvm/md raid support that works
>>>>>> with
>>>>>> any devices. At the high end there are a few hardware raid cards
>>>>>> but they
>>>>>> rarely outperform ordinary ATA on PCI Express.
>>>>>>
>>>>>>
>>>> Edward,
>>>>
>>>> The cheapest 4-port raid cards are typically $300US, the 8-port
>>>> cards are quite a bit more. If you are a home user I would suggest
>>>> not wasting your money on the HW raid, and has others mentioned it
>>>> is not really worth the extra money for a home user, so use software
>>>> raid.
>>>>
>>>> Most of the cheaper cards are fakeraid and at best (if supported
>>>> under DMRAID) are only slightly better than software raid.
>>>>
>>>> Roger
>>>>
>>> So would the better question be:
>>> Which model / type of ATA multi-port card controller is good when you
>>> want to do software RAID with New Fedora System?
>>> i.e. which manufactures cards that you can hang 4+ drives off of,
>>> have enough independence[1] between drives, that doing software RAID
>>> works fast[2]?
>>> Can you get 4+ port SATA cards that don't claim to be "RAID" cards?
>>>
>>> Or has everything already been said here:
>>> http://linuxmafia.com/faq/Hardware/sata.html
>>> http://linux-ata.org/faq-sata-raid.html
>>>
>>> [1] I am making the old assumption that ATA drives on the same bus
>>> slow each other down. Does that really matter with SATA?
>>>
>>> [2] assuming the controller card is more likely to be the bottleneck
>>> than the processor, PCI bus, or drives.
>>>
>> Hi!
>> http://linux-ata.org/driver-status.html#matrix
>> I would buy a card which drivers have the most features.
>>
>> I chose a cheap "Silicon Image"-chipped sata1 card (sata_sil driver).
>> Hotplugging etc is working fine.
>>
>>
>> The sata_sil24 is the SATA2 chip.
>>
>> -Tom
>>
> Hello,
> 
> Would you mind tell me your web site of your card model ?
> 
> Thank for your comment!
> 
> Edward.
> 
hi!
http://www.st-lab.com/productf.asp
It is the one with 4 Ports. It cost me something like 20€/25$

Btw I use Linux Software-Raid on it.
If you can't get that card just search google for something like
"SiI3114 controller card".

The newer chips are called Sil3124 and i think there are also some with
8 Ports but I'm not sure.

Hope that helps
-Tom

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