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Re: [Xen-API] Re: [Xen-users] XCP Set MTU not work after change XCP 1.0b

from [Christian Fischer] [Permanent Link][Original]
To: "martinu@xxxxxxxxxxxx" <martinu@xxxxxxxxxxxx>, Rob Hoes <Rob.Hoes@xxxxxxxxxx>
Subject: Re: [Xen-API] Re: [Xen-users] XCP Set MTU not work after change XCP 1.0beta -> XCP 1.0 RC2
From: Christian Fischer <christian.fischer@xxxxxxxxxxxxxxxxxxx>
Date: Mon, 21 Feb 2011 07:34:29 +0100
Cc: xen-users@xxxxxxxxxxxxxxxxxxx, xen-api@xxxxxxxxxxxxxxxxxxx
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On Sunday 20 February 2011 00:03:24 martinu@xxxxxxxxxxxx wrote:
> Hello,
> 
> unplug and plug has no effect (restart of cnode1 too):

I can confirm that changing the network MTU has effect after 
unplugging/plugging the PIF with rc3.

Christian

uuid ( RO)                       : 88b67984-0e74-926f-95c8-782f01fedebd
                     device ( RO): eth1
                        MAC ( RO): 00:15:60:0b:bd:a9
                   physical ( RO): true
         currently-attached ( RO): true
                        MTU ( RO): 1518
                       VLAN ( RO): -1


3: eth1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1518 qdisc mq qlen 1000
    link/ether 00:15:60:0b:bd:a9 brd ff:ff:ff:ff:ff:ff


> 
> [root@cnode1 ~]# xe network-param-list
> uuid=e54ccf40-5941-7154-d07c-cb31ae9298b7
> uuid ( RO)                : e54ccf40-5941-7154-d07c-cb31ae9298b7
>           name-label ( RW): storage1 bond0
>     name-description ( RW):
>            VIF-uuids (SRO):
>            PIF-uuids (SRO): 5d9ea69a-cd9b-1d30-8a15-383d691d86d0
>                  MTU ( RW): 9000
>               bridge ( RO): xapi1
>         other-config (MRW):
>                blobs ( RO):
>                 tags (SRW):
> 
> 
> [root@cnode1 ~]# xe pif-list
> uuid ( RO)                  : 2e836c5a-4355-50f8-4f58-0229a582680f
>                 device ( RO): eth1
>     currently-attached ( RO): false
>                   VLAN ( RO): -1
>           network-uuid ( RO): 18cd44c0-e526-c574-a25f-42360b69bab1
> 
> 
> uuid ( RO)                  : 5d9ea69a-cd9b-1d30-8a15-383d691d86d0
>                 device ( RO): bond0
>     currently-attached ( RO): true
>                   VLAN ( RO): -1
>           network-uuid ( RO): e54ccf40-5941-7154-d07c-cb31ae9298b7
> 
> 
> uuid ( RO)                  : be7d34b8-0d6b-ae67-1977-d0f67b979372
>                 device ( RO): eth2
>     currently-attached ( RO): false
>                   VLAN ( RO): -1
>           network-uuid ( RO): b533b0f7-6cd5-ab97-0288-08051288e914
> 
> 
> uuid ( RO)                  : 21e1ee4c-7e8b-5eaf-6c78-49232051f58f
>                 device ( RO): eth0
>     currently-attached ( RO): true
>                   VLAN ( RO): -1
>           network-uuid ( RO): 80282403-d8b2-cbab-37eb-0996b02cdb27
> 
> 
> uuid ( RO)                  : 517618b3-c577-8700-f38a-718cb83be975
>                 device ( RO): eth3
>     currently-attached ( RO): false
>                   VLAN ( RO): -1
>           network-uuid ( RO): 05326577-1011-232c-e12e-0a7ea06b9ba5
> 
> [root@cnode1 ~]# xe pif-unplug uuid=5d9ea69a-cd9b-1d30-8a15-383d691d86d0
> [root@cnode1 ~]# xe pif-unplug uuid=2e836c5a-4355-50f8-4f58-0229a582680f
> [root@cnode1 ~]# xe pif-unplug uuid=be7d34b8-0d6b-ae67-1977-d0f67b979372
> [root@cnode1 ~]# xe pif-unplug uuid=517618b3-c577-8700-f38a-718cb83be975
> [root@cnode1 ~]# xe pif-plug uuid=517618b3-c577-8700-f38a-718cb83be975
> [root@cnode1 ~]# xe pif-plug uuid=be7d34b8-0d6b-ae67-1977-d0f67b979372
> [root@cnode1 ~]# xe pif-plug uuid=2e836c5a-4355-50f8-4f58-0229a582680f
> [root@cnode1 ~]# xe pif-plug uuid=5d9ea69a-cd9b-1d30-8a15-383d691d86d0
> 
> [root@cnode1 ~]# /sbin/ifconfig
> 
> bond0     Link encap:Ethernet  HWaddr 00:23:20:CA:F8:B3
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:11426 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:85 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:1433300 (1.3 MiB)  TX bytes:53881 (52.6 KiB)
> 
> eth0      Link encap:Ethernet  HWaddr D4:85:64:4C:4C:E6
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:305822 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:69391 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:24347518 (23.2 MiB)  TX bytes:10660693 (10.1 MiB)
> 
> eth1      Link encap:Ethernet  HWaddr D4:85:64:4C:4C:E7
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:3797 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:470828 (459.7 KiB)  TX bytes:0 (0.0 b)
> 
> eth2      Link encap:Ethernet  HWaddr D4:85:64:4C:5C:08
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:3798 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:470952 (459.9 KiB)  TX bytes:0 (0.0 b)
> 
> eth3      Link encap:Ethernet  HWaddr D4:85:64:4C:5C:09
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:3831 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:85 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:491520 (480.0 KiB)  TX bytes:53881 (52.6 KiB)
> 
> lo        Link encap:Local Loopback
>           inet addr:127.0.0.1  Mask:255.0.0.0
>           UP LOOPBACK RUNNING  MTU:16436  Metric:1
>           RX packets:5444 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:5444 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:4498698 (4.2 MiB)  TX bytes:4498698 (4.2 MiB)
> 
> xapi1     Link encap:Ethernet  HWaddr D4:85:64:4C:4C:E7
>           inet addr:172.16.132.4  Bcast:172.16.132.255  Mask:255.255.255.0
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:0 (0.0 b)  TX bytes:252 (252.0 b)
> 
> xenbr0    Link encap:Ethernet  HWaddr D4:85:64:4C:4C:E6
>           inet addr:X.X.X.X  Bcast:X.X.X.255  Mask:255.255.255.0
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:249310 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:69397 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:20957574 (19.9 MiB)  TX bytes:10661673 (10.1 MiB)
> 
> Rob Hoes napsal(a):
> > Hi,
> > 
> > That is correct. After changing the MTU on a Network, all PIFs and VIFs
> > on the Network need to be unplugged and plugged again for the MTU change
> > to happen.
> > 
> > Cheers,
> > Rob
> > 
> > On 19 Feb 2011, at 03:27, Adrian Costin wrote:
> >> Hi,
> >> 
> >> I've tested this in RC3 (should be the same for RC2) and while
> >> network-param-set does not have any effect on the actual PIFs, doing
> >> pif-unplug and then pif-plug will set the correct MTU on the interface.
> >> 
> >> I think this is the expected behavior, as network-param-set will just
> >> update the database. The actual configuration of the physical interface
> >> takes place on pif-plug.
> >> 
> >> Best regards,
> >> Adrian Costin
> >> 
> >> 
> >> -----Original Message-----
> >> From: xen-api-bounces@xxxxxxxxxxxxxxxxxxx
> >> [mailto:xen-api-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Todd Deshane
> >> Sent: Saturday, February 19, 2011 4:03 AM
> >> To: Jan Martinů
> >> Cc: xen-users mailing list; xen-api@xxxxxxxxxxxxxxxxxxx
> >> Subject: [Xen-API] Re: [Xen-users] XCP Set MTU not work after change XCP
> >> 1.0beta -> XCP 1.0 RC2
> >> 
> >> adding xen-api to the CC.
> >> 
> >> dropping xen-devel from the CC.
> >> 
> >> 2011/2/18 Jan Martinů <martinu@xxxxxxxxxxxx>:
> >>> Hello,
> >>> 
> >>> this command:
> >>> 
> >>> xe network-param-set uuid=xxxxx MTU=9000
> >>> 
> >>> sets MTU=9000 on bond and his slave PIFs.
> >>> 
> >>> After change XCP 1.0beta to XCP 1.0 RC2, command has no effect to PIFs.
> >> 
> >> Thanks for the report.
> >> 
> >> Are others seeing this as well?
> >> 
> >> There was an rc3, but I don't think that it changed much in this space.
> >> Maybe Jon can comment to be sure.
> >> 
> >> _______________________________________________
> >> xen-api mailing list
> >> xen-api@xxxxxxxxxxxxxxxxxxx
> >> http://lists.xensource.com/mailman/listinfo/xen-api
> >> <ATT00001..txt>


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