Monitoring software RAID in Debian GNU/Linux

[Daniel Guillermo Bareiro]

Hi Hari!

> >>> I'm testing the plugin check_md_raid.pl [1] on Debian GNU/Linux Etch
> >>> and I've removed a member of RAID device with the following commands:
> >>>
> >>> mdadm --manage /dev/md2 --fail /dev/sdb3
> >>> mdadm --manage /dev/md2 --remove /dev/sdb3
> >>>
> >>> But Executing by hand the plugin, it shows the RAID status in OK
> >>> during
> >>> degraded and rebuilding modes:
> >>>
> >>> xenhost7:/usr/local/nagios/libexec/non-std# ./check_md_raid.pl
> >>> RAID OK: All arrays OK
> >>>
> >>> Is it correct to suppose the status would have to be CRITICAL and
> >>> WARNING, respectively?

> >> Try:
> >>
> >> http://www.nagiosexchange.org/cgi-bin/page.cgi?g=Detailed%2F2418.html;d=1
   
> > Mmmm... It seems that URL is invalid:
> > Category 'Detailed/2418.html;d=1' does not exist.

> Works for me.

> Perhaps you need to copy and paste the entire thing, maybe your mail 
> client is misinterpreting or something.

> Alternatively, search nagios exchange for "check_md_raid", it'll be the 
> only result.

Copying and pasting the link, it works. But this plugin is the one that I 
commented in this thread :-)

I have noticed when removing a member from the raid, running the plugin 
from Nagios server, it show the RAID in degraded state for a moment. But 
soon the plugin shows the RAID in OK state. I observe the same situation 
when adding the member. Initially the script show the RAID in rebuilding 
state, but a new run of the plugin shows OK status before finishing the 
ebuilding. Which can be the problem?

Thanks for your response.

Regards,
Daniel
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