[Linux-PowerEdge] Very basic question - OMSA, IPMI, iDRAC and BMC
ray.robert at rentrakmail.com
Thu Sep 19 17:28:16 CDT 2013
Sounds about right.
The iDRAC is an independent processor usually with its own NIC that can be
reached independently of the operating system.
The IPMI and BMC are lower-level software layers on the operating system.
OMSA is a higher layer. The OMSA includes agents for dealing with iDRACs,
including a GUI (port 1311) and tools for reporting on and configuring
iDRACs on the current or other systems.
Ray Robert | Senior Administrator
503.284.7581 ext 242 | ray.robert at rentrak.com
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On Thu, Sep 19, 2013 at 4:22 AM, Mauro Antivero <mauro.antivero at gmail.com>wrote:
> As the title says, this is a very basic question.
> Can anyone help me to understand what exactly are OMSA, IPMI, iDRAC and
> BMC? As far as I know:
> - OMSA: Utility to monitor and manage the server. In Linux for example
> you have a web front end to do this things.
> - IPMI: Common interface to computer hardware and firmware which system
> administrators can use to monitor system health and manage the system.
> Open source tools like ipmitool make this management simple. It is an
> open standard which is maintained by the IPMI forum.
> - iDRAC: A more advanced service processors that enable system
> administrators to fully monitor and troubleshoot their servers. Two
> questions about this:
> We can say that iDRAC is more powerfull than IPMI?
> iDRAC covers all the features of IPMI plus many more?
> - BMC: The controller behind IPMI. One question about that:
> The BMC controller is only for IPMI?
> Sorry for this basic questions. I'm now searching information about
> that, but I find that the info is very spread and take time to understand.
> Thanks a lot and regards.
> Linux-PowerEdge mailing list
> Linux-PowerEdge at dell.com
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