Raid Card controller for FC System

[edwardspl at ita.org.mo]

Thomas Kappelmueller wrote:

> Todd Denniston wrote:
>
>> Roger Heflin wrote, On 03/24/2008 02:20 PM:
>>
>>> edwardspl at ita.org.mo wrote:
>>>
>>>> Alan Cox wrote:
>>>>
>>>>> On Sun, 23 Mar 2008 15:39:22 +0800
>>>>> edwardspl at ita.org.mo 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.