Re: SMART data from behind SAS MegaRaid

[Ireneusz Pluta]

Ireneusz Pluta pisze:

Hello,

does anyone know how to access SMART data from behind LSI SAS 
MegaRAID? The smartctl utility does have -d megaraid option, however 
supported only in Linux, not FreeBSD.

Yes, this is wrong group to ask that.

Anyway, to answer myself, and for the sake of completeness of this 
thread, mfip device is the way to go -> e.g. 
http://old.nabble.com/how-to-create-pass-devices-without-reboot--td27045949.html

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Re: SMART data from behind SAS MegaRaid

[Kostik Belousov]

On Wed, Apr 28, 2010 at 08:55:23PM +0200, Ireneusz Pluta wrote:
> Hello,
> 
> does anyone know how to access SMART data from behind LSI SAS MegaRAID? 
> The smartctl utility does have -d megaraid option, however supported 
> only in Linux, not FreeBSD. More system details:
> 
> # mfiutil show adapter
> mfi0 Adapter:
>Product Name: MegaRAID SAS 84016E
>   Serial Number: P709144809
>Firmware: 7.0.1-0036
> RAID Levels: JBOD, RAID0, RAID1, RAID5, RAID6, RAID10, RAID50
>  Battery Backup: present
>   NVRAM: 32K
>  Onboard Memory: 256M
>  Minimum Stripe: 8K
>  Maximum Stripe: 1M
> # uname -a
> FreeBSD * 8.0-RELEASE FreeBSD 8.0-RELEASE #0: Sat Nov 21 15:02:08 UTC 
> 2009 r...@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  amd64

amd64 is probably the most wrong selection of the list for the question.

I use mfip module (kldload mfip) to get passthrough access to disks.
Then, e.g. smartctl -a /dev/passX for proper value of X works for
SAS disks, but I have some issues on SATA disks. The issue is that
I cannot access last two disks in 16-disk array. Other drives are
correctly processed by smartctl.


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