On Tue, Mar 09, 2010 at 11:04:46AM -0500, Mark Burgess wrote:
>
>We are looking for a solution to this issue. Basically, Linux can hang on
>virtual
>interfaces and this has caused other people problems. I am open to suggestions
>for a
>solution, but it is not an easy matter.
For linux, pull the list directly from /proc/net/dev? Or maybe something in
/sys/class/net?
From a host running KVM:
[~]$ cat /proc/net/dev
Inter-| Receive | Transmit
face |bytes packets errs drop fifo frame compressed multicast|bytes
packets errs drop fifo colls carrier compressed
lo:2035515595 16347121 0 0 0 0 0 0
2035515595 16347121 0 0 0 0 0 0
eth0:964032855 3733193 0 8 0 0 0 6 964776855
3688530 0 0 0 0 0 0
eth1: 1373978 16577 0 360 0 0 0 6 3691060
14479 0 0 0 0 0 0
eth4:36222924493 92484373 0 0 0 0 0 0
190776575475 74917623 0 0 0 0 0 0
eth2:7622682830 21196351 0 10529689 0 0 0 1423482
2799002579 7724799 0 0 0 0 0 0
eth3:58534522315 168878325 0 1327037 0 0 0 939658
290576727566 242375822 0 0 0 0 0 0
sit0: 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0
br1:31993596562 62227565 0 0 0 0 0 5747129
190468183725 51855392 0 0 0 0 0 0
br0:54074870393 162568991 0 0 0 0 0 3030329
282032747107 128656319 0 0 0 0 0 0
vnet0:336505187 2644980 0 0 0 0 0 0 428187471
3095434 0 0 0 0 0 0
vnet1:309250135 2566061 0 0 0 0 0 0 442882874
3137403 0 0 0 0 0 0
vnet3:336338485 2643313 0 0 0 0 0 0 428184929
3096606 0 0 0 0 0 0
vnet4: 6045462 114265 0 0 0 0 0 0 31202709
326066 0 0 0 0 0 0
vnet2:143918060 1137029 0 0 0 0 0 0 194492556
1333825 0 0 0 0 0 0
[~]$ ls /sys/class/net
br0 br1 eth0 eth1 eth2 eth3 eth4 lo sit0 vnet0 vnet1 vnet2 vnet3
vnet4
>
>Lebel, Marco wrote:
>> Hello all,
>>
>>
>>
>> Assuming the following (edited) output from a netstat -i
>>
>>
>>
>> Name Mtu Network Address Ipkts Ierrs Opkts
>> Oerrs Coll
>>
>> lan2:4 1500 xxx.xxx.xxx.xxx name1.domain 1916681074 0 22
>> 0 0
>>
>> lan2 1500 xxx.xxx.xxx.xxx name2.domain 1462215563 0
>> 926778993 0 0
>>
>> lan5:1 1500 xxx.xxx.xxx.xxx name3 1436691065 0 76535747
>> 0 0
>>
>> lan1* 1500 *none* *none* 0 0 0
>> 0 0
>>
>> lan0 1500 xxx.xxx.xxx.xxx name4 11705845 0 22842341 0 0
>>
>> lo0 4136 loopback localhost 351634044 0 351634872
>> 0 0
>>
>> lan5:3 1500 xxx.xxx.xxx.xxx name5.domain 9214 0 9172
>> 0 0
>>
>> :
>>
>> :
>>
>> :
>>
>> :
>>
>> :
>>
>>
>>
>>
>>
>> With version 2.2.9 name1, name2, name3, name4 and name5 would be defined
>> as classes (what I call discovered classes). With version 3.0.2 and
>> 3.0.4 the discovered classes stop at the first entry that matches *none*
>> (tested on multiple servers) meaning only name1, name2 and name3 are
>> defined. All of the classes that should be defined as per the 2.2.9
>> behavior are no longer defined. Needless to say that this change in
>> behavior is a pain in my effort to convert to V3.
>>
>>
>>
>> So you have guess it my question is: Is this a bug or an intended behavior?
>>
>>
>>
>> Marco
>>
>>
>>
>> Output from version 2.2.9 cfagent -v
>>
>>
>>
>> :
>>
>> :
>>
>> Interface 1: lan2:4
>>
>> Interface 2: lan2
>>
>> Interface 3: lan5:1
>>
>> Interface 4: lan1
>>
>> Interface 5: lan0
>>
>> Interface 6: lo0
>>
>> Interface 7: lan5:3
>>
>> Interface 8: lan2:1
>>
>> Interface 9: lan5:2
>>
>> Interface 10: lan2:3
>>
>> Interface 11: lan5
>>
>> Interface 12: lan2:2
>>
>> Interface 13: lan4
>>
>> Trying to locate my IPv6 address
>>
>> :
>>
>> :
>>
>>
>>
>> Output from version 3.0.2 cf-promises ???v
>>
>> :
>>
>> :
>>
>> cf3 Interface 1: lan2:4
>>
>> cf3 Interface 2: lan2
>>
>> cf3 Adding alias name1..
>>
>> cf3 Interface 3: lan5:1
>>
>> cf3 Adding alias name2.domain..
>>
>> cf3 Interface 4: lan1
>>
>> cf3 !! Cannot discover hardware IP, using DNS value
>>
>> cf3 Trying to locate my IPv6 address
>>
>> :
>>
>> :
>>
>>
>>
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> Help-cfengine mailing list
>> Help-cfengine@cfengine.org
>> https://cfengine.org/mailman/listinfo/help-cfengine
>
>--
>Mark Burgess
>
>-------------------------------------------------
>Professor of Network and System Administration
>Oslo University College, Norway
>
>Personal Web: http://www.iu.hio.no/~mark
>Office Telf : +47 22453272
>-------------------------------------------------
>_______________________________________________
>Help-cfengine mailing list
>Help-cfengine@cfengine.org
>https://cfengine.org/mailman/listinfo/help-cfengine
--
Jesse Becker
NHGRI Linux support (Digicon Contractor)
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