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<$100 SATA RAID Card 5.3 compatible - FreeBSD

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Can anyone recommend a SATA RAID card that is compatible with 5.3? The 3ware ones listed in the hardware notes are pretty expensive...over a hundred dollars for the lowest end card. Is 5.3 compatible with any of the adpatec or promise cards? - ------------------------------ Mike Loiterman grantADLER Tel: 630-302-4944 Fax: 773-442-0992 Email: net PGP Key: 0xD1B9D18E -----BEGIN PGP SIGNATURE----- Version: PGP 8.1 iQA/AwUBQjZi2WjZbUnRudGOEQKvAACcDcsjakeOJPhiYZm/tAsEdkcPZ+0AoP2c nGabh6KPUQ2IYDebz3jRrMHa =phU2 -----END PGP SIGNATURE-----...

  1. #1

    Default <$100 SATA RAID Card 5.3 compatible


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    Can anyone recommend a SATA RAID card that is compatible with 5.3? The
    3ware ones listed in the hardware notes are pretty expensive...over a
    hundred dollars for the lowest end card. Is 5.3 compatible with any of the
    adpatec or promise cards?

    - ------------------------------
    Mike Loiterman
    grantADLER
    Tel: 630-302-4944
    Fax: 773-442-0992
    Email: net
    PGP Key: 0xD1B9D18E

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    Mike Guest

  2. #2

    Default Re: <$100 SATA RAID Card 5.3 compatible

    Mike Loiterman wrote:
     
    What kind of RAID do you want? For a simple system-level RAID1, skip
    the hardware and go with gmirror.

    -danny
    Danny Guest

  3. #3

    Default RE: <$100 SATA RAID Card 5.3 compatible


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    Danny Howard <mailto:com> wrote: 
    > What kind of RAID do you want? For a simple system-level RAID1, skip
    > the hardware and go with gmirror.
    >
    > -danny[/ref]

    RAID1. I'm looking into gmirror, but it seems like it might be messy if
    one of the drives dies.

    - ------------------------------
    Mike Loiterman
    grantADLER
    Tel: 630-302-4944
    Fax: 773-442-0992
    Email: net
    PGP Key: 0xD1B9D18E

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    Mike Guest

  4. #4

    Default Re: <$100 SATA RAID Card 5.3 compatible

    On Tue, Mar 15, 2005 at 05:53:30PM -0600, Mike Loiterman wrote: 

    What makes you say that?

    I have gmirror running and I simulated drive failures on both controllers,
    and reconstructed the provider with no problems. Even did some hard
    power failures and everthing worked fine. Gmirror is very nice!
    Andy Guest

  5. #5

    Default Re: <$100 SATA RAID Card 5.3 compatible

    On Tue, Mar 15, 2005 at 05:53:30PM -0600, Mike Loiterman wrote:
     
    > > What kind of RAID do you want? For a simple system-level RAID1, skip
    > > the hardware and go with gmirror.[/ref]
    >
    > RAID1. I'm looking into gmirror, but it seems like it might be messy if
    > one of the drives dies.[/ref]

    Mike,

    Messy how? You keep an eye on "gmirror list" and it will tell you if
    one of the disks has died. If a disk dies, you swap in an RMA, and
    rebuild the mirror. If "swap in the RMA" involves downtime, then
    gmirror will see the new disk at boot and DTRT.

    Or have you seen too many horror stories on the mailing lists?

    Currently, I have a whole bunch of systems with one-off 3ware or Adaptec
    controllers, and I don't know how to monitor them reliably. I tried
    doing a 3ware a month or two back, and there was this crazy race between
    how old the binary versus the kernel module versus the firmware was and
    I just gave up. Grr! As RAID1 solutions go, gmirror take a lot of the
    headache out of administration.

    IMO, YMMV, and I have daily backups ...

    --
    http://dannyman.toldme.com/
    Danny Guest

  6. #6

    Default RE: <$100 SATA RAID Card 5.3 compatible


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    Danny Howard <mailto:com> wrote: 
    >>
    >> RAID1. I'm looking into gmirror, but it seems like it might be
    >> messy if one of the drives dies.[/ref]
    >
    > Mike,
    >
    > Messy how? You keep an eye on "gmirror list" and it will tell you if
    > one of the disks has died. If a disk dies, you swap in an RMA, and
    > rebuild the mirror. If "swap in the RMA" involves downtime, then
    > gmirror will see the new disk at boot and DTRT.
    >
    > Or have you seen too many horror stories on the mailing lists?
    >
    > Currently, I have a whole bunch of systems with one-off 3ware
    > or Adaptec
    > controllers, and I don't know how to monitor them reliably. I tried
    > doing a 3ware a month or two back, and there was this crazy
    > race between
    > how old the binary versus the kernel module versus the
    > firmware was and
    > I just gave up. Grr! As RAID1 solutions go, gmirror take a
    > lot of the
    > headache out of administration.
    >
    > IMO, YMMV, and I have daily backups ...[/ref]

    I tried following the instructions at:
    http://people.freebsd.org/~rse/mirror/ and couldn't make it work.

    I ended up installing a minimal installation on one disk, reooting to the
    new install, doing atacontrol create RAID1 ad4 ad6, then rebooting to the
    install CD and installing into ar0. This seems to have worked.

    Is your solution better?

    - ------------------------------
    Mike Loiterman
    grantADLER
    Tel: 630-302-4944
    Fax: 773-442-0992
    Email: net
    PGP Key: 0xD1B9D18E

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    Mike Guest

  7. #7

    Default Re: <$100 SATA RAID Card 5.3 compatible

    On Tue, Mar 15, 2005 at 07:37:24PM -0600, Mike Loiterman wrote: 

    This all sounds extremely familiar. I did all of this, and it made me
    very quesy. So, I ripped it out and tried again.
     

    You can deliver your own opinion, my resolution is at:
    http://dannyman.toldme.com/2005/01/24/freebsd-howto-gmirror-system/

    Cheers,
    -danny

    --
    http://dannyman.toldme.com/
    Danny Guest

  8. #8

    Default RE: <$100 SATA RAID Card 5.3 compatible


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    Danny Howard <mailto:com> wrote: 
    >
    > This all sounds extremely familiar. I did all of this, and it made me
    > very quesy. So, I ripped it out and tried again.

    >
    > You can deliver your own opinion, my resolution is at:
    > http://dannyman.toldme.com/2005/01/24/freebsd-howto-gmirror-system/
    >
    > Cheers,
    > -danny[/ref]

    I was able to make the atacontrol method work flawlessly via a simulated
    disk failure (formated it and did a atacontrol rebuild). Is gmirror more
    reliable?

    I still don't understand gmirror, how it works and how to properly set one
    up. That's probably why I'm resistant to working with it.

    - ------------------------------
    Mike Loiterman
    grantADLER
    Tel: 630-302-4944
    Fax: 773-442-0992
    Email: net
    PGP Key: 0xD1B9D18E

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    Mike Guest

  9. #9

    Default Re: <$100 SATA RAID Card 5.3 compatible

    On Wed, Mar 16, 2005 at 07:52:46PM -0600, Mike Loiterman wrote:
     
    > >
    > > You can deliver your own opinion, my resolution is at:
    > > http://dannyman.toldme.com/2005/01/24/freebsd-howto-gmirror-system/[/ref]
    >
    > I was able to make the atacontrol method work flawlessly via a simulated
    > disk failure (formated it and did a atacontrol rebuild). Is gmirror more
    > reliable?[/ref]

    I'd say that "if it aint broke, don't fix it."
     

    I think atacontrol scared me a bit because it is the "ATA device driver
    program" and this inbreeding between "managing hard disks" and "managing
    RAIDs" bothered me, and gmirror wsa new and shiny and
    not-so-well-doented, so I figured I'd make that work.

    It seems like there are a bunch of competing interfeces to the new geom
    stuff and eventually a few of them will turn out to be the popular ones,
    and the others will become this funky weird appendices like systat. And
    we'll look back on our respective decisions nostalgically.

    -danny

    --
    http://dannyman.toldme.com/
    Danny Guest

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