Public bug reported:
The nova version is Kilo.
When use rally to test intancs booting from volume and deleting, and times is
12 and concurrency is 5.
A intance name intance1 is terminating and now another intance name instance2
is booting from mage(create a new volume).
If intances1 disconnects volume between intance2 connects volume and writes
xml to disk, and supposing there is no intance at the compute node,
Nova will disconnect from iscsi portal if no other multipath devices at the
compute node, it also disconects intances1's iscsi session, then there is no
session or multipath device at the compute node. An error occurred while
trying to launch intances1 with xml: "libvirtError: Failed to open file
'/dev/mapper/mpathzy': No such file or directory"
steps:
1. Preparing the openstack compute node where is no intances or volumes
2. Install Rally.
3. Modify the test case: boot from image(create a new volume) and specify the
compute nodes. Testing times is 12 and concurrency is 5.
(rally)[root@control07 my_senarios]# cat boot-from-volume-and-delete.json
{
"NovaServersVolumeArgs.boot_server_from_volume_and_delete": [
{
"args": {
"flavor": {
"name": "m1.tiny"
},
"image": {
"id": "e77a600c-8f93-4b8d-bd7a-5fe160ecec08"
},
"volume_args": {
"volume_type": "fujitpp"
},
"nics":[{"net-id": "8738a337-9445-49f5-8157-6ec005f355db"}],
"volume_size": 10,
"availability_zone": "nova:compute04"
},
"runner": {
"type": "constant",
"times": 12,
"concurrency": 5
},
"context": {
"users": {
"tenants": 3,
"users_per_tenant": 3
}
}
}
]
}
4. Run the rally.
Expected result:
Rally run successfully
Actual result:
There are several intances lanched failed with error such as "libvirtError:
Failed to open file '/dev/mapper/mpathzy': No such file or directory"
** Affects: nova
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1540239
Title:
libvirtError "Failed to open file '/dev/mapper/mpathzy': No such file
or directory" when creating a intance with Rally
Status in OpenStack Compute (nova):
New
Bug description:
The nova version is Kilo.
When use rally to test intancs booting from volume and deleting, and times is
12 and concurrency is 5.
A intance name intance1 is terminating and now another intance name instance2
is booting from mage(create a new volume).
If intances1 disconnects volume between intance2 connects volume and
writes xml to disk, and supposing there is no intance at the compute node,
Nova will disconnect from iscsi portal if no other multipath devices at the
compute node, it also disconects intances1's iscsi session, then there is no
session or multipath device at the compute node. An error occurred while
trying to launch intances1 with xml: "libvirtError: Failed to open file
'/dev/mapper/mpathzy': No such file or directory"
steps:
1. Preparing the openstack compute node where is no intances or volumes
2. Install Rally.
3. Modify the test case: boot from image(create a new volume) and specify the
compute nodes. Testing times is 12 and concurrency is 5.
(rally)[root@control07 my_senarios]# cat boot-from-volume-and-delete.json
{
"NovaServersVolumeArgs.boot_server_from_volume_and_delete": [
{
"args": {
"flavor": {
"name": "m1.tiny"
},
"image": {
"id": "e77a600c-8f93-4b8d-bd7a-5fe160ecec08"
},
"volume_args": {
"volume_type": "fujitpp"
},
"nics":[{"net-id": "8738a337-9445-49f5-8157-6ec005f355db"}],
"volume_size": 10,
"availability_zone": "nova:compute04"
},
"runner": {
"type": "constant",
"times": 12,
"concurrency": 5
},
"context": {
"users": {
"tenants": 3,
"users_per_tenant": 3
}
}
}
]
}
4. Run the rally.
Expected result:
Rally run successfully
Actual result:
There are several intances lanched failed with error such as "libvirtError:
Failed to open file '/dev/mapper/mpathzy': No such file or directory"
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