Re: RAID1 + LoopAES concurrent access

On 12/23/07 9:44 AM, "Jari Ruusu" <[email protected]> wrote:

> Melkor Lord wrote:
>> The only thing I can think of is the way disks are connected. The
>> SiliconImage SI3512 chip is on a PCI card having 2 SATA connectors. As the
>> RAID configuration is done at kernel level, a single write on /dev/md0 is
>> sent twice over the wire to reach both disks (RAID1 with 2 disks).
> 
> Sorry for late answer.
> 
> Do you see any error messages in kernel logs after you experience bad
> interactivity? You can display them using 'dmesg' command.
> 
> Silicon Image SATA controllers aren't the most reliable on the planet. BSD
> folks seem to be unhappy with them:
> 
> http://lists.freebsd.org/pipermail/freebsd-current/2005-January/045923.html
> http://lists.freebsd.org/pipermail/freebsd-questions/2006-February/111688.html

As are some of us with Macs as well!
http://forums.macrumors.com/showthread.php?t=378576



-- 

Very Respectfully,

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