[Linux-cluster] fence_ipmilan Faiing for 'Administrator' user
Digimer
lists at alteeve.ca
Tue Feb 5 04:46:01 UTC 2013
On 02/04/2013 10:12 PM, Zama Ques wrote:
>
>
> ------------------------------------------------------------------------
> *From:* Digimer <lists at alteeve.ca>
> *To:* Zama Ques <queszama at yahoo.in>; linux clustering
> <linux-cluster at redhat.com>
> *Sent:* Monday, 4 February 2013 6:23 PM
> *Subject:* Re: [Linux-cluster] fence_ipmilan Faiing for 'Administrator' user
>
> On 02/04/2013 05:42 AM, Zama Ques wrote:
>> Hi All ,
>>
>> Need help in configuring IPMI_Lan as fencing device for my cluster . The
>> servers I am using are of make HP ProLiant
>>
>> Since fence_ipmilan internally uses ipmitool , I was trying to
>> understand the use of ipmitool . For that purpose , I initially created
>> a user named 'admin' using ipmitool.
>>
>> =====
>>
>> |# ipmitool user list 2
>> ID Name Callin Link Auth IPMI Msg Channel Priv Limit
>> 1 Administrator true false true ADMINISTRATOR
>> 2 admin true false true USER
>> 3 (Empty User) true false false NO ACCESS
>> 4 (Empty User) true false false NO ACCESS
>> ______________________________
>>
>> ]# ipmitool channel getciphers ipmi 2
>> ID IANA Auth Alg Integrity Alg Confidentiality Alg
>> 0 N/A none none none
>> 1 N/A hmac_sha1 none none
>> 2 N/A hmac_sha1 hmac_sha1_96 none
>> 3 N/A hmac_sha1 hmac_sha1_96 aes_cbc_128
>>
>> =====
>>
>> Using the 'admin' user , I am able to execute IPMI commands successfully.
>>
>> =====
>> ]# ipmitool -I lanplus -H 192.168.2.153 -U admin -L USER chassis status
>> System Power : on
>> Power Overload : false
>> Power Interlock : inactive
>> Main Power Fault : false
>> ......
>> ......
>> -----------------------
>> ]# fence_ipmilan -L USER -a 192.168.2.153 -P lanplus -l admin -p
> xxxxxxx -T 4 -o status -v
>> Getting status of IPMI:192.168.2.153...Spawning: '/usr/bin/ipmitool -I
> lanplus -H '192.168.2.153' -U 'ssdg' -L 'USER' -P '[set]' -v chassis
> power status'...
>> Chassis power = On
>> Done
>> =======
>>
>>
>> But the same above commands fails if I use the 'Administrator' User.
>>
>> =====
>> # ipmitool -I lanplus -H 192.168.2.153 -U Administrator -L
> ADMINISTRATOR chassis status
>> Password:
>> Error: Unable to establish IPMI v2 / RMCP+
>> session
>> Error sending Chassis Status command
>>
>> # ipmitool -I lanplus -H 192.168.2.153 -U Administrator chassis status
>> Password:
>> Error: Unable to establish IPMI v2 / RMCP+ session
>> Error sending Chassis Status command
>> =======
>>
>> I am using the default password for 'Administrator' user ||which is
> printed on a little cardboard card attached to the server
>>
>> Kindly guide where I went wrong ?
>>
>> Thanks in Advance
>> Zaman
>> |
>
>> This appears to be a problem below fence_ipmilan.
>
>> My first guess would be that something is lower-casing the "A". Can you
>> create a user "administrator" and if so, does that work? Have you tried
>> putting the user name in double-quotes (no idea if that would make a
>> difference)? ie: '... -U "Administrator" ...'?
>
> Thanks Digimer for the reply.
>
> Was able to verify that proper alphabet case is being used for
> 'Administrator' user.
>
> ====
> # fence_ipmilan -L ADMINISTRATOR -a 192.168.2.153 -P lanplus -l
> Administrator -p "XXX" -T 4 -o status -v
> Getting status of IPMI:192.168.2.153...Spawning: '/usr/bin/ipmitool -I
> lanplus -H '192.168.2.153' -U 'Administrator' -L 'ADMINISTRATOR' -P
> '[set]' -v chassis power status'...
> Chassis power = Unknown
> Failed
> ====
>
> Looks like it was not taking the default password for 'Administrator' user.
>
> ====
> # ipmitool user test 1 20 XXX
> Set User Password command failed (user 1): Unknown (0x80)
> Failure: password incorrect
> # ipmitool user test 1 16 XXX
> Set User Password command failed (user 1): Unknown (0x80)
> Failure: password incorrect
> -----
> # ipmitool user test 2 16 xxxx
> Success
> # ipmitool user test 2 20 xxxx
> Success
> ====
>
> Changed privilege for 'admin' user to ADMINISTRATOR so that it can
> perform fencing.
>
> ====
> ]# ipmitool user list 2
> ID Name Callin Link Auth IPMI Msg Channel Priv Limit
> 1 Administrator true false true ADMINISTRATOR
> 2 admin true false true ADMINISTRATOR
> ====
>
> Digimer , can you please let me know whether for performing fencing ,
> ADMINISTRATOR level privilege is needed or lower privilege levels can
> perform fencing ?
>
> ===
> 1 Callback level
> 2 User level
> 3 Operator level
> 4 Administrator level
> ===
> Thanks
> Zaman
It probably depends on your hardware and it's implementation. I would
guess not though, given how ... dramatic a fence action is.
--
Digimer
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