state of ide raid

[Charles Sprickman]

On Mon, 16 Jun 2003, Mike Tancsa wrote:

> The 3ware cards work quite well for this.  ~ $120 USD for the 2 port
> version.  During rebuilds the server is still available and you can control
> for the most part how fast or slow the rebuild process works. Its not very
> granular, but it does afford some control.

I'll second that.  I have the 3ware two port model and it seems to have
"burped" and decided one of the disks was dead.  I went to the management
interface (web-only) and removed/added the "bad" drive and then rebuilt
the mirror.  Performance was fine during the rebuild.

Now why the one drive went "bad" is a question I cannot answer...
Supposedly the newest firmware supports SMART, but I don't think the
FreeBSD driver nor the 3ware web interface do anything with that data.

Charles

> Its essentially radio buttons that look like
>
> Faster I/O   *   *   *   *   *   Faster Rebuild
>
> Give them a try, I think you will like them.
>
>
>          ---Mike
>
> At 01:31 PM 16/06/2003 -0400, Michael R. Wayne wrote:
> >We've been messing with some of the IDE RAID controllers without
> >a lot of success.  All we care about is RAID 1 on a single disk
> >(basically to get high availablity on simple servers).
> >
> >Our tests with Highpoint controllers indicate that the system
> >becomes essentially unavailable during rebuild.  We'd like to find
> >an IDE RAID solution that did not suffer from this problem since
> >the only reason we want the RAID is to increase uptime, not reduce
> >it.
> >
> >Almost seems like the right answer would be a device that went
> >between the controller and 2 drives to mirror the data.  This would
> >mean no O/S support (or knowledge) is required.  But the only ones
> >I've found do not support current high capacity, high speed drives.
> >
> >/\/\ \/\/
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