[CentOS] Intel RAID controller
Mark Belanger
mark_belanger at ltx.com
Thu Sep 8 21:12:29 UTC 2005
Bryan J. Smith wrote:
> Mark Belanger <mark_belanger at ltx.com> wrote:
>
>>For the sake of completeness (and people searching the
>>archives) Centos3.5 has the drivers I need.
>
>
> Drivers for just the ATA/SATA channel support?
> Or the FRAID disk organization?
>
> I've seen people think the ATA/SATA driver is the FRAID
> support, when the FRAID is in addition to the ATA/SATA
> channel support.
I dont' know - how do I tell?
I fired up a 3.5 install, it saw the disks, and I installed.
Creating a 100Meg files seems pretty good:
time dd if=/dev/zero of=/var/tmp/blah bs=1024 count=100000
100000+0 records in
100000+0 records out
real 0m1.226s
user 0m0.030s
sys 0m1.170s
-Mark
>
>
>>Thanks to all who suggested alternate methods for CentOS
>>versions that do not.
>
>
> In kernel 2.6, the LVM2-DM (Device Mapper) can do a lot.
> It can read the FRAID vendors disk organization, and LVM2-MD
> can handle provide the software RAID logic (without the
> vendor's proprietary, 3rd party code)
>
> It's also _very_broken_ too.
>
> Furthermore, vendors change disk organization/logic
> continuously between models.
>
> Lastly, I've also not seen FRAID-5 supported yet either.
>
>
>
--
Mark Belanger
LTX Corporation
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