[Crowbar] Nagios / Crowbar does not recognize device not ready

Andi_Abes at Dell.com Andi_Abes at Dell.com
Mon Jul 9 10:01:07 CDT 2012

Switch has an option to check if a disk can be mounted, before attempting to access it.  While it can save you from long waits if the disk is failed, it does hit performance in the non failure case.

There seems to be tools and plugins for nagios to support this, across hardware versions (see [1]) we don’t currently use them… but we might add them at some point.. if enough folks care about it.

[1] http://exchange.nagios.org/directory/Plugins/System-Metrics/Storage-Subsystem/Check-SMART-status-modified/details

From: crowbar-bounces On Behalf Of Bryan Taylor
Sent: Sunday, July 08, 2012 9:38 AM
To: info at ip-profis.de; crowbar
Subject: Re: [Crowbar] Nagios / Crowbar does not recognize device not ready

I think Sagan would be a better solution. It's a syslog monitor with nagios type rules. I'm sure it can be done in nagios but you probably still need a fifo pipe on the logs. I read swift has some kind of hard drive error tool but it would be nice to have this at a lower level.


Sent via the Samsung Galaxy S™ II Skyrocket™, an AT&T 4G LTE smartphone.

-------- Original message --------
Subject: [Crowbar] Nagios / Crowbar does not recognize device not ready
From: "info at ip-profis.de<mailto:info at ip-profis.de>" <info at ip-profis.de<mailto:info at ip-profis.de>>
To: crowbar at dell.com<mailto:crowbar at dell.com>


casue nobody could replay to this questions:

we are starting to test fault tolerance and HA.

We simulate a typical dying harddisk wich in most cases start
with softrest failed (device not ready).

This is not recognize by Nagios. It does not recognize the error
messages at the node and not in the smart values. Does Nagios read the
smart values if smart is enabled in the bios of the node? I am not at
Dell Hardware i use gigabyte GA-MA78GPM-DS2H wich seems to be compatible
to Dell Mainboards/Bios cause i get the Bios values if i edit the Node
in Crowbar f.e. i can change Raid settings, or enable virtualization at
the bios.

Not reading smart values of harddisk is really risky so do we need a
barclamp for our hardware? Does it work at Dell hardware?



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