Re: [gentoo-user] smartcl: probing individual drives in a 100% hardware raid array?

2005-03-30 Thread Brett I. Holcomb
Adaptec RAID controllers have a built in BIOS that lets you check the 
drives but you have to boot to it.  They also have a bootable CD (RH 
based) that has a GUI for looking at the RAID card and drives.

  On Wed, 30 
Mar 2005, Mike Williams wrote:

On Wednesday 30 March 2005 18:04, fire-eyes wrote:
I'm using smartctl which lets me access S.M.A.R.T. data.
I'm also using 100% hardware raid. So the system sees each array as a
single disk, even though it's several disks.
I'd like to probe each individual disk, however right now I can only
probe an individual array.
How might I do this?
If the system can only see the array, then you can't.
Many (most?) hardware raid solutions will give you a way to monitor the health
of the array, and drives making it.

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Re: [gentoo-user] smartcl: probing individual drives in a 100% hardware raid array?

2005-03-30 Thread Mike Williams
On Wednesday 30 March 2005 18:04, fire-eyes wrote:
> I'm using smartctl which lets me access S.M.A.R.T. data.
>
> I'm also using 100% hardware raid. So the system sees each array as a
> single disk, even though it's several disks.
>
> I'd like to probe each individual disk, however right now I can only
> probe an individual array.
>
> How might I do this?

If the system can only see the array, then you can't.
Many (most?) hardware raid solutions will give you a way to monitor the health 
of the array, and drives making it.

-- 
Mike Williams


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Re: [gentoo-user] smartcl: probing individual drives in a 100% hardware raid array?

2005-03-30 Thread fire-eyes
On Wed, 2005-03-30 at 22:26 +0200, Richard Fish wrote:
> Well, you could put the controller in JBOD mode and use software raid. 
> Linux has rock-solid software raid, at least for what I have used it
> for, and it doesn't seem to take a lot of CPU power, even in RAID5.  It
> will consume a heck of lot more IO (and PCI) bandwidth however.

Yeah I can't do that, we paid extra for it for a reason. I do agree
software raid in linux, especially 2.6 kernels,is great, however.

Thanks for the suggestion.

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Re: [gentoo-user] smartcl: probing individual drives in a 100% hardware raid array?

2005-03-30 Thread Richard Fish
Well, you could put the controller in JBOD mode and use software raid. 
Linux has rock-solid software raid, at least for what I have used it
for, and it doesn't seem to take a lot of CPU power, even in RAID5.  It
will consume a heck of lot more IO (and PCI) bandwidth however.

-Richard

fire-eyes wrote:

>I'm using smartctl which lets me access S.M.A.R.T. data.
>
>I'm also using 100% hardware raid. So the system sees each array as a
>single disk, even though it's several disks.
>
>I'd like to probe each individual disk, however right now I can only
>probe an individual array.
>
>How might I do this?
>
>--
>gentoo-user@gentoo.org mailing list
>
>
>  
>
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Re: [gentoo-user] smartcl: probing individual drives in a 100% hardware raid array?

2005-03-30 Thread A. Khattri
On Wed, 30 Mar 2005, fire-eyes wrote:

> I'm using smartctl which lets me access S.M.A.R.T. data.
>
> I'm also using 100% hardware raid. So the system sees each array as a
> single disk, even though it's several disks.
>
> I'd like to probe each individual disk, however right now I can only
> probe an individual array.
>
> How might I do this?

Since the RAID is done by the RAID card and presents just a single drive
to Linux you won't be able to do this. However, there might be drivers for
your RAID card that might allow you to get data about the drives.

What sort of RAID card is it?


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[gentoo-user] smartcl: probing individual drives in a 100% hardware raid array?

2005-03-30 Thread fire-eyes
I'm using smartctl which lets me access S.M.A.R.T. data.

I'm also using 100% hardware raid. So the system sees each array as a
single disk, even though it's several disks.

I'd like to probe each individual disk, however right now I can only
probe an individual array.

How might I do this?

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