how to enable BMC sensors
lzcmichael at gmail.com
Mon May 24 18:00:38 CDT 2010
I checked the Systems Management DVD and couldn't find a Dell version of
IPMI Tool. Instead, I use some
online tool to update the ipmitool. I further run the commands in my Cent
[root at gr3 ~]# ipmitool sdr
Could not open device at /dev/ipmi0 or /dev/ipmi/0 or /dev/ipmidev/0: No
such file or directory
Get Device ID command failed
Unable to open SDR for reading
Sounds like my BMC fireware hasn't loaded successfully on my PowerEdge R710,
couldn't be found. Or because my OS is Cent OS?
Besides, I also checked what you said about those disabled sensors. I think
you are right, because "
Dell does not provide support for any internal sensor marked *disabled* or *not
readable* when using the command *ipmitool sdr*."
In order to further track the problem, I also checked the available ipmi
module on my Cent OS, I get nothing returned
of the following command:
#lsmod | grep ipmi
In a word, I'd like to know the answer of the following questions:
1. From the output of ipmitool sdr, can I ensure that the drivers for BMC
haven't been installed(or supported) in my Cent OS?
If so, where can I get those drivers for my CentOS?
2. Since currently, no ipmi modules is installed on my CentOS, where can I
find and install those ipmi modules on my CentOS for Dell PowerEdge R710?
On Thu, May 20, 2010 at 2:20 PM, <Wayne_Weilnau at dell.com> wrote:
> Most of these sensors are already enabled. Many of the sensors have
> Reading and Unit values of N/A because they are discrete sensors. They only
> report good/bad. They do not report an actual voltage. A failed voltage
> would be indicated by an event value of "State Asserted". A couple of the
> sensors are disabled. These are disabled because they are intended for
> internal Dell use (such as controlling fan speeds) or because the specific
> system you are using does not have that sensor. Unfortunately IPMI and IPMI
> Tool are not very user friendly. If you are using a Dell version of IPMI
> Tool (its available on the Systems Management DVD), there should be an
> option to use Dell extensions that will make the output a little more user
> friendly. I don't remember the exact option, but is probably something
> like -delloem.
> Wayne Weilnau
> Systems Management Technologist
> Dell | OpenManage Software Development
> office 1 512 728 1085
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> From: linux-poweredge-bounces-Lists On Behalf Of Zhichao Li
> Sent: Thursday, May 20, 2010 11:53 AM
> To: linux-poweredge-Lists
> Subject: how to enable BMC sensors
> I am trying to get information about the servers, using ipmi-sensor. But,
> lots of the information are N/A, which means the type of sensors are not
> enabled. Is the sensor by default not enabled or how should I enable them?
> The server is bought from Dell, actually.
> Can anyone help me? Thanks,
> The following is what I get using ipmi-sensors:
> [root at gr3 ~]# ipmi-sensors --sensor-types=voltage
> ID | Name | Type | Reading | Units | Event
> 8 | VCORE | Voltage | N/A | N/A | 'State Deasserted'
> 9 | VCORE | Voltage | N/A | N/A | N/A
> 10 | 0.75 VTT CPU2 PG | Voltage | N/A | N/A | N/A
> 11 | 0.75 VTT CPU1 PG | Voltage | N/A | N/A | 'State Deasserted'
> 13 | 1.5V PG | Voltage | N/A | N/A | 'State Deasserted'
> 14 | 1.8V PG | Voltage | N/A | N/A | 'State Deasserted'
> 15 | 3.3V PG | Voltage | N/A | N/A | 'State Deasserted'
> 16 | 5V PG | Voltage | N/A | N/A | 'State Deasserted'
> 17 | MEM PG | Voltage | N/A | N/A | N/A
> 18 | MEM PG | Voltage | N/A | N/A | 'State Deasserted'
> 19 | VTT | Voltage | N/A | N/A | N/A
> 20 | VTT | Voltage | N/A | N/A | 'State Deasserted'
> 21 | 0.9V PG | Voltage | N/A | N/A | 'State Deasserted'
> 22 | 1.8 PLL PG | Voltage | N/A | N/A | N/A
> 23 | 1.8 PLL PG | Voltage | N/A | N/A | 'State Deasserted'
> 24 | 8.0 V PG | Voltage | N/A | N/A | 'State Deasserted'
> 25 | 1.1 V PG | Voltage | N/A | N/A | 'State Deasserted'
> 26 | 1.0 LOM PG | Voltage | N/A | N/A | 'State Deasserted'
> 27 | 1.0 AUX PG | Voltage | N/A | N/A | 'State Deasserted'
> 28 | PFault Fail Safe | Voltage | N/A | N/A | Unknown
> 29 | 1.05 V PG | Voltage | N/A | N/A | 'State Deasserted'
> 51 | Voltage 1 | Voltage | 210.00 | V | 'OK'
> 52 | Voltage 2 | Voltage | N/A | V | Unknown
Computer Science Department
Stony Brook University
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