[Openstack] NovaCompute on XenServer6

Giuseppe Civitella giuseppe.civitella at gmail.com
Mon Oct 10 07:54:17 UTC 2011


Hi Paul,

thanks a lot for your answer.
I'll have a deeper look at XS6 to make sure it does what I need.

Cheers,

Giuseppe






2011/10/7 Paul Voccio <paul.voccio at rackspace.com>:
> Hi Guiseppe,
>
> Sorry for the delay in the response. Looking at the differences in the
> allowed operations, I have the same settings on 5.6SP2 that you have on
> your 6.0 installation.
>
> SR:
>      allowed-operations (SRO): forget; VDI.create; VDI.snapshot; plug;
> update; destroy; VDI.destroy; scan; VDI.clone; VDI.resize; unplug
>
>
>
>
> These are the allowed operations on the VDI:
>      allowed-operations (SRO): resize_online; update; resize; destroy;
> clone; copy; snapshot
>      current-operations (SRO):
>
> I don't have a 6.0 install to test against today but I can confirm that
> resizes are working for me on 5.6 currently. I believe Anthony Young was
> doing some work looking at 6.0 and found it to be a little buggy for
> production tests and fell back to 5.6.
>
> pvo
>
>
>
> On 10/3/11 11:48 AM, "Giuseppe Civitella" <giuseppe.civitella at gmail.com>
> wrote:
>
>>Hi Paul,
>>
>>I did follow the wiki to configure the server (basically was the same
>>procedure used to install 5.6 servers).
>>While installing the server I just followed the wizard choosing to
>>enable thin provisioning on local storage.
>>I have no remote filesystems at the moment.
>>My local storage params are:
>>
>> [root at xe1 ~]# xe sr-param-list uuid=24928443-d547-c490-08b9-93013347b2b8
>>uuid ( RO)                    : 24928443-d547-c490-08b9-93013347b2b8
>>              name-label ( RW): Local storage
>>        name-description ( RW):
>>                    host ( RO): xe1
>>      allowed-operations (SRO): forget; VDI.create; VDI.snapshot;
>>plug; update; destroy; VDI.destroy; scan; VDI.clone; VDI.resize;
>>unplug
>>      current-operations (SRO):
>>                    VDIs (SRO): c086e079-e4ab-42a3-b21e-10006a48b6b4;
>>3cb3e2d9-0c7f-46b6-acc1-872cb3a1d2fb;
>>44109aa2-705e-4c5a-83a6-47aed82d775b;
>>70b8f93a-a3be-42d7-aba7-5e4b96472167;
>>2b73267c-26e5-4c1a-a81f-69be77f58c94;
>>3d97c87a-49aa-4ce5-92f2-781c9afb724f
>>                    PBDs (SRO): 3a7f02fe-d929-791a-e318-998b0f3e5994
>>      virtual-allocation ( RO): 103618183168
>>    physical-utilisation ( RO): 29927809024
>>           physical-size ( RO): 63747100672
>>                    type ( RO): ext
>>            content-type ( RO): user
>>                  shared ( RW): false
>>           introduced-by ( RO): <not in database>
>>            other-config (MRW): i18n-key: local-storage;
>>i18n-original-value-name_label: Local storage
>>               sm-config (MRO): devserial:
>>scsi-3600508b1001030364641354634300600
>>                   blobs ( RO):
>>     local-cache-enabled ( RO): true
>>                    tags (SRW):
>>
>>
>>I do get this errors only while resizing.
>>
>>Thanks a lot
>>Giuseppe
>>
>>
>>2011/10/3 Paul Voccio <paul.voccio at rackspace.com>:
>>> Hi Giuseppe,
>>>
>>> Sorry I missed your previous email. I was away from email for a few
>>>days.
>>> Can you describe your XenServer backend setup? It is configured the same
>>> way as the wiki setup or did you differ in any way?
>>>
>>> Are you only seeing this error on resize or is this on initial
>>> provisioning as well?
>>>
>>> pvo
>>>
>>> On 10/3/11 4:37 AM, "Giuseppe Civitella" <giuseppe.civitella at gmail.com>
>>> wrote:
>>>
>>>>Hi all,
>>>>
>>>>I did some further testing and found something that works for me as a
>>>>workaround.
>>>>Since I was getting an error like this on XE6:
>>>>[20111003T08:57:36.775Z|debug|xe1|398170 inet-RPC|VDI.resize_online
>>>>R:3fa63f98fab0|audit] VDI.resize_online: VDI =
>>>>'2e79ace3-5cb3-418c-9aad-58faf218c09e'; size = 42949672960
>>>>I had a look at the XenServer Administrator guide
>>>>(http://docs.vmd.citrix.com/XenServer/6.0.0/1.0/en_gb/reference.html#cli
>>>>-x
>>>>e-commands_vdi)
>>>>and found vdi-resize as only method to resize a VDI.
>>>>At row 625 of nova/virt/xenapi/vmops.py I changed:
>>>>self._session.call_xenapi('VDI.resize_online', vdi_ref,
>>>>to
>>>>self._session.call_xenapi('VDI.resize', vdi_ref,
>>>>
>>>>Now I'm able to resize a VM on XS6 but, since I'm not an XS expert,
>>>>I'd appreciate if someone can confirm the second xenapi call as a
>>>>valid solution.
>>>>
>>>>Thanks a lot
>>>>Giuseppe
>>>>
>>>>
>>>>
>>>>2011/9/30 Giuseppe Civitella <giuseppe.civitella at gmail.com>:
>>>>> Hi Paul,
>>>>>
>>>>> I just reinstalled the servers and did some quick testing.
>>>>> Image deploy does not show any problem, I did deploy a win2k8 and a
>>>>> Centos5.7 image (they still have xentools 5.6 installed).
>>>>> The new vms get placed on the rigth vlan by openvswitch.
>>>>> Unfortunately at my first resize I came into a problem. I was trying
>>>>> to resize the Centos vm. The whole snapshot, rsync and shutdown source
>>>>> process worked as I was expecting.
>>>>> At the moment of disk resize on destination host I got a
>>>>> SR_OPERATION_NOT_SUPPORTED exception.
>>>>> On destination host's side I got the following lines in
>>>>>nova-compute.log:
>>>>>
>>>>> 2011-09-30 12:15:28,647 DEBUG nova.virt.xenapi.vm_utils [-] Detected
>>>>> DISK_VHD format for image 58, instance 29 from (pid=7268)
>>>>> log_disk_format /root/nova-2011.3/nova/virt/xenapi/vm_utils.py:627
>>>>> 2011-09-30 12:15:28,712 DEBUG nova.virt.xenapi.vm_utils [-] Created VM
>>>>> instance-0000001d... from (pid=7268) create_vm
>>>>> /root/nova-2011.3/nova/virt/xenapi/vm_utils.py:188
>>>>> 2011-09-30 12:15:28,770 DEBUG nova.virt.xenapi.vm_utils [-] Created VM
>>>>> instance-0000001d as OpaqueRef:b2d1340a-a766-2373-0c46-abdbbaa506f1.
>>>>> from (pid=7268) create_vm
>>>>> /root/nova-2011.3/nova/virt/xenapi/vm_utils.py:191
>>>>> 2011-09-30 12:15:28,771 DEBUG nova.virt.xenapi.vm_utils [-] Creating
>>>>> VBD for VM OpaqueRef:b2d1340a-a766-2373-0c46-abdbbaa506f1, VDI
>>>>> OpaqueRef:1d6bd89f-8f18-0301-0610-f943dfbaf310 ...  from (pid=7268)
>>>>> create_vbd /root/nova-2011.3/nova/virt/xenapi/vm_utils.py:223
>>>>> 2011-09-30 12:15:28,857 DEBUG nova.virt.xenapi.vm_utils [-] Created
>>>>> VBD OpaqueRef:93b43f3c-3378-aa18-6870-f20c6a985b8f for VM
>>>>> OpaqueRef:b2d1340a-a766-2373-0c46-abdbbaa506f1, VDI
>>>>> OpaqueRef:1d6bd89f-8f18-0301-0610-f943dfbaf310. from (pid=7268)
>>>>> create_vbd /root/nova-2011.3/nova/virt/xenapi/vm_utils.py:226
>>>>> 2011-09-30 12:15:28,857 DEBUG nova [-] creating vif(s) for vm:
>>>>> |OpaqueRef:b2d1340a-a766-2373-0c46-abdbbaa506f1| from (pid=7268)
>>>>> create_vifs /root/nova-2011.3/nova/virt/xenapi/vmops.py:1128
>>>>> 2011-09-30 12:15:29,071 DEBUG nova.virt.xenapi.vmops [-] Creating VIF
>>>>> for VM OpaqueRef:b2d1340a-a766-2373-0c46-abdbbaa506f1, network
>>>>> OpaqueRef:e116be7e-cb19-73a1-a0c9-46cc28f03ee6. from (pid=7268)
>>>>> create_vifs /root/nova-2011.3/nova/virt/xenapi/vmops.py:1138
>>>>> 2011-09-30 12:15:29,169 DEBUG nova.virt.xenapi.vmops [-] Created VIF
>>>>> OpaqueRef:261bd276-beaf-83f9-037a-bdcbb152b9b8 for VM
>>>>> OpaqueRef:b2d1340a-a766-2373-0c46-abdbbaa506f1, network
>>>>> OpaqueRef:e116be7e-cb19-73a1-a0c9-46cc28f03ee6. from (pid=7268)
>>>>> create_vifs /root/nova-2011.3/nova/virt/xenapi/vmops.py:1141
>>>>> 2011-09-30 12:15:29,241 DEBUG nova [-] injecting network info to xs
>>>>> for vm: |OpaqueRef:b2d1340a-a766-2373-0c46-abdbbaa506f1| from
>>>>> (pid=7268) inject_network_info
>>>>> /root/nova-2011.3/nova/virt/xenapi/vmops.py:1110
>>>>> 2011-09-30 12:15:30,389 INFO nova.virt.xenapi [-] Task
>>>>> [Async.host.call_plugin]
>>>>> OpaqueRef:b5c054fc-5c6d-ed89-d732-1d6d2238a443 status: success
>>>>> <value>{"should_create_bridge": true, "dns": [],
>>>>> "vif_uuid":
>>>>> "5e485511-1a43-4958-b3ca-a83443788d48", "label":
>>>>> "gcivitella_proj_net", "broadcast":
>>>>> "10.12.2.255", "ips": [{"ip":
>>>>> "10.12.2.8", "netmask": "255.255.255.0",
>>>>> "enabled": "1"}], "mac":
>>>>> "02:16:3e:06:41:c1", "should_create_vlan": true,
>>>>> "dhcp_server": "10.12.2.1", "gateway":
>>>>> "10.12.2.1"}</value>
>>>>> 2011-09-30 12:15:30,391 DEBUG nova [-] injecting hostname to xs for
>>>>> vm: |OpaqueRef:b2d1340a-a766-2373-0c46-abdbbaa506f1| from (pid=7268)
>>>>> inject_hostname /root/nova-2011.3/nova/virt/xenapi/vmops.py:1164
>>>>> 2011-09-30 12:15:30,454 DEBUG nova.virt.xenapi.vmops [-] Resizing VDI
>>>>> a230026a-6791-47db-b5be-4bd85bff9b14 for instanceinstance-0000001d.
>>>>> Expanding to 21 GB from (pid=7268) resize_instance
>>>>> /root/nova-2011.3/nova/virt/xenapi/vmops.py:622
>>>>> 2011-09-30 12:15:30,660 ERROR nova.exception [-] Uncaught exception
>>>>> (nova.exception): TRACE: None
>>>>> (nova.exception): TRACE:
>>>>> 2011-09-30 12:15:30,660 ERROR nova.rpc [-] Exception during message
>>>>>handling
>>>>> (nova.rpc): TRACE: Traceback (most recent call last):
>>>>> (nova.rpc): TRACE:   File "/root/nova-2011.3/nova/rpc/impl_kombu.py",
>>>>> line 620, in _process_data
>>>>> (nova.rpc): TRACE:     rval = node_func(context=ctxt, **node_args)
>>>>> (nova.rpc): TRACE:   File "/root/nova-2011.3/nova/exception.py", line
>>>>> 129, in wrapped
>>>>> (nova.rpc): TRACE:     raise Error(str(e))
>>>>> (nova.rpc): TRACE: Error: ['SR_OPERATION_NOT_SUPPORTED',
>>>>> 'OpaqueRef:7a1fcca3-d9b5-914d-60f2-8d3ea370433d']
>>>>> (nova.rpc): TRACE:
>>>>>
>>>>>
>>>>> In xenserver's xensource.log I can see:
>>>>>
>>>>> [20110930T10:15:29.900Z|debug|xe1|85929
>>>>> inet-RPC|host.compute_free_memory R:901dddbfe852|audit]
>>>>> Host.compute_free_memory: host = 'b4e0f6c9-7494-44a7-98b1-b2c3f7aeb1cc
>>>>> (xe1)'
>>>>> [20110930T10:15:30.031Z|debug|xe1|85931 inet-RPC|VM.create
>>>>> R:ff960d9aa286|audit] VM.create: name_label = 'instance-0000001d'
>>>>> name_description = ''
>>>>> [20110930T10:15:30.133Z|debug|xe1|85932 inet-RPC|VBD.create
>>>>> R:4b5bf93b6afc|audit] VBD.create: VM =
>>>>> '05ab9a68-5feb-52f3-6150-3b120438e50e (instance-0000001d)'; VDI =
>>>>> 'a230026a-6791-47db-b5be-4bd85bff9b14'
>>>>> [20110930T10:15:30.135Z|debug|xe1|85932 inet-RPC|VBD.create
>>>>> R:4b5bf93b6afc|xapi] VBD.create (device = 0; uuid =
>>>>> ec318785-3525-4463-7133-d34092b72f55; ref =
>>>>> OpaqueRef:93b43f3c-3378-aa18-6870-f20c6a985b8f)
>>>>> [20110930T10:15:30.436Z|debug|xe1|85937 inet-RPC|VIF.create
>>>>> R:0a9e51e31e93|audit] VIF.create: VM =
>>>>> '05ab9a68-5feb-52f3-6150-3b120438e50e (instance-0000001d)'; network =
>>>>> 'b65b9615-b1d1-bdea-b0a2-6ae7a5fc95d9'
>>>>> [20110930T10:15:30.437Z|debug|xe1|85937 inet-RPC|VIF.create
>>>>> R:0a9e51e31e93|xapi] VIF.create running
>>>>> [20110930T10:15:30.440Z|debug|xe1|85937 inet-RPC|VIF.create
>>>>> R:0a9e51e31e93|xapi] Found mac_seed on VM: supplied MAC parameter =
>>>>> '02:16:3e:06:41:c1'
>>>>> [20110930T10:15:30.456Z|debug|xe1|85937 inet-RPC|VIF.create
>>>>> R:0a9e51e31e93|xapi] VIF
>>>>> ref='OpaqueRef:261bd276-beaf-83f9-037a-bdcbb152b9b8' created (VM =
>>>>> 'OpaqueRef:b2d1340a-a766-2373-0c46-abdbbaa506f1'; MAC address =
>>>>> '02:16:3e:06:41:c1')
>>>>> [20110930T10:15:30.690Z| info|xe1|85941
>>>>> inet-RPC|dispatch:VM.remove_from_xenstore_data
>>>>> D:cc06dcdd3697|api_effect] VM.remove_from_xenstore_data
>>>>> [20110930T10:15:30.745Z| info|xe1|85942
>>>>> inet-RPC|dispatch:VM.add_to_xenstore_data D:47b320eba5b3|api_effect]
>>>>> VM.add_to_xenstore_data
>>>>> [20110930T10:15:30.900Z| info|xe1|85946|Async.host.call_plugin
>>>>> R:b5c054fc5c6d|dispatcher] spawning a new thread to handle the current
>>>>> task (trackid=a1b71470b94e5aa1592f85a58162baab)
>>>>> [20110930T10:15:30.901Z|debug|xe1|85946|Async.host.call_plugin
>>>>> R:b5c054fc5c6d|audit] Host.call_plugin host =
>>>>> 'b4e0f6c9-7494-44a7-98b1-b2c3f7aeb1cc (xe1)'; plugin = 'xenstore.py';
>>>>> fn = 'write_record'; args = [ path: vm-data/networking/02163e0641c1;
>>>>> dom_id: -1; value: {"should_create_bridge": true, "dns": [],
>>>>> "vif_uuid": "5e485511-1a43-4958-b3ca-a83443788d48", "label":
>>>>> "gcivitella_proj_net", "broadcast": "10.12.2.255", "ips": [{"ip":
>>>>> "10.12.2.8", "netmask": "255.255.255.0", "enabled": "1"}], "mac":
>>>>> "02:16:3e:06:41:c1", "should_create_vlan": true, "dhcp_server":
>>>>> "10.12.2.1", "gateway": "10.12.2.1"} ]
>>>>> [20110930T10:15:31.745Z| info|xe1|85952
>>>>> inet-RPC|dispatch:VM.add_to_xenstore_data D:643662c2c578|api_effect]
>>>>> VM.add_to_xenstore_data
>>>>> [20110930T10:15:31.859Z|debug|xe1|85954 inet-RPC|VDI.resize_online
>>>>> R:9267b132d2e2|audit] VDI.resize_online: VDI =
>>>>> 'a230026a-6791-47db-b5be-4bd85bff9b14'; size = 22548578304
>>>>> [20110930T10:15:31.861Z|debug|xe1|85954 inet-RPC|VDI.resize_online
>>>>> R:9267b132d2e2|xapi] Marking SR for VDI.resize_online
>>>>> (task=OpaqueRef:9267b132-d2e2-8d8e-6307-807b2f242059)
>>>>> [20110930T10:15:31.869Z|debug|xe1|85954 inet-RPC|VDI.resize_online
>>>>> R:9267b132d2e2|backtrace] Raised at xapi_vdi.ml:128.26-57 ->
>>>>> message_forwarding.ml:2870.4-56 -> message_forwarding.ml:281.6-9
>>>>> [20110930T10:15:31.878Z|debug|xe1|85954 inet-RPC|VDI.resize_online
>>>>> R:9267b132d2e2|xapi] Caught exception while
>>>>> SR_OPERATION_NOT_SUPPORTED: [
>>>>> OpaqueRef:7a1fcca3-d9b5-914d-60f2-8d3ea370433d ] in message forwarder:
>>>>> marking VDI for VDI.resize_online
>>>>> [20110930T10:15:31.878Z|debug|xe1|85954 inet-RPC|VDI.resize_online
>>>>> R:9267b132d2e2|xapi] Unmarking SR after VDI.resize_online
>>>>> (task=OpaqueRef:9267b132-d2e2-8d8e-6307-807b2f242059)
>>>>> [20110930T10:15:31.890Z|debug|xe1|85954 inet-RPC|VDI.resize_online
>>>>> R:9267b132d2e2|backtrace] Raised at message_forwarding.ml:2884.12-13
>>>>> -> threadext.ml:20.20-24 -> threadext.ml:20.62-65 ->
>>>>> message_forwarding.ml:149.16-22 -> message_forwarding.ml:2876.6-362 ->
>>>>> rbac.ml:229.16-23
>>>>> [20110930T10:15:31.890Z|debug|xe1|85954 inet-RPC|VDI.resize_online
>>>>> R:9267b132d2e2|backtrace] Raised at rbac.ml:238.10-15 ->
>>>>> server_helpers.ml:78.11-41
>>>>> [20110930T10:15:31.890Z|debug|xe1|85954 inet-RPC|VDI.resize_online
>>>>> R:9267b132d2e2|dispatcher] Server_helpers.exec exception_handler: Got
>>>>> exception SR_OPERATION_NOT_SUPPORTED: [
>>>>> OpaqueRef:7a1fcca3-d9b5-914d-60f2-8d3ea370433d ]
>>>>> [20110930T10:15:31.890Z|debug|xe1|85954 inet-RPC|VDI.resize_online
>>>>> R:9267b132d2e2|dispatcher] Raised at string.ml:150.25-34 ->
>>>>> stringext.ml:108.13-29
>>>>> [20110930T10:15:31.890Z|debug|xe1|85954 inet-RPC|VDI.resize_online
>>>>> R:9267b132d2e2|backtrace] Raised at string.ml:150.25-34 ->
>>>>> stringext.ml:108.13-29
>>>>> [20110930T10:15:31.897Z|debug|xe1|85954 inet-RPC|VDI.resize_online
>>>>> R:9267b132d2e2|xapi] Raised at server_helpers.ml:93.14-15 ->
>>>>> pervasiveext.ml:22.2-9
>>>>> [20110930T10:15:31.900Z|debug|xe1|85954 inet-RPC|VDI.resize_online
>>>>> R:9267b132d2e2|xapi] Raised at pervasiveext.ml:26.22-25 ->
>>>>> pervasiveext.ml:22.2-9
>>>>> [20110930T10:15:31.901Z|debug|xe1|85954
>>>>> inet-RPC|dispatch:VDI.resize_online D:25d29d5414fb|xapi] Raised at
>>>>> pervasiveext.ml:26.22-25 -> pervasiveext.ml:22.2-9
>>>>> [20110930T10:15:31.901Z|debug|xe1|85954
>>>>> inet-RPC|dispatch:VDI.resize_online D:25d29d5414fb|backtrace] Raised
>>>>> at pervasiveext.ml:26.22-25 -> server_helpers.ml:152.10-106 ->
>>>>> server.ml:25016.19-167 -> server_helpers.ml:118.4-7
>>>>>
>>>>> The resize job was supposed to create a new vm with a 21GB disk.
>>>>> The vm was created on XS 5.6 using a Centos 64 bit template. Can this
>>>>> be the source of the problem?
>>>>>
>>>>> Thanks a lot
>>>>> Giuseppe
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> 2011/9/29 Paul Voccio <paul.voccio at rackspace.com>:
>>>>>> Hi Giuseppe,
>>>>>>
>>>>>> The docs should still work with 6. We haven't done any testing with 6
>>>>>>and the plugins yet but should do some testing soon. Let me know if
>>>>>>you
>>>>>>run into issues and we can help you work through them.
>>>>>>
>>>>>> Pvo
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Sep 29, 2011, at 11:08 AM, "Giuseppe Civitella"
>>>>>><giuseppe.civitella at gmail.com> wrote:
>>>>>>
>>>>>>> Hi all,
>>>>>>>
>>>>>>> I'm about to migrate my nova-compute nodes from XenServer 5.6 to the
>>>>>>> new XenServer 6: do I need updated plugins?
>>>>>>> Are the instructions reported here
>>>>>>> http://wiki.openstack.org/XenServerDevelopment still a good
>>>>>>>reference?
>>>>>>> What about vlan networking? Will the default use of openswitch in
>>>>>>>XS6
>>>>>>> change something?
>>>>>>>
>>>>>>> Thanks a lot
>>>>>>> Giuseppe
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Mailing list: https://launchpad.net/~openstack
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>>>>>>in
>>>>>>error, please delete it.
>>>>>>
>>>>>>
>>>>>
>>>>
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