Re: state of ide raid

From: Charles Sprickman (spork_at_inch.com)
Date: 06/16/03

  • Next message: Mike Tancsa: "Re: state of ide raid" 
    Date: Mon, 16 Jun 2003 14:34:48 -0400 (EDT)
To: Mike Tancsa <mike@sentex.net>

    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.
    > >
    > >/\/\ \/\/
    > >_______________________________________________
    > >freebsd-stable@freebsd.org mailing list
    > >http://lists.freebsd.org/mailman/listinfo/freebsd-stable
    > >To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"
    >
    > _______________________________________________
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  • Next message: Mike Tancsa: "Re: state of ide raid"

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