HP CloudSystem Foundation Guia do Utilizador descarregar pdf (Página 180)

Moving a virtual machine with an additional attached volume using vMotion in

vCenter Server does not succeed

Possible cause and recommendationSymptom

LUN presentation is not consistent for every host in the cluster

• Follow the instructions in the VMware Knowledge Base 1016210 at

VMware.

You attempt to live move a virtual

machine with an additional attached

volume and you see Virtual Disk

'X' is a mapped direct access

LUN that is not accessible

Delete instance action only partially completes when compute node is unresponsive

Possible cause and recommendationSymptom

CloudSystem has lost communication with the server that is

hosting the virtual machine instance

Deleting an instance triggers an action on both the CloudSystem Foundation

base appliance and the compute node. If the compute node is unresponsive,

deleting an instance is only partially completed and requires manual cleanup.

You see Warning: This instance

is on a host that is not

responding

1. Click Cancel to return to the previous screen without deleting the instance.

2. Try to restore communication by rebooting the host shown in the “Hosted

on” field of the instance. If the host recovers, the instance can be cleanly

deleted using the “Delete” action on the Instances screen. A clean delete

removes the instance from both the Foundation appliance database and

the host.

3. If the host is in an unrecoverable state (on the Compute Nodes screen,

the state of the host is “Error”), return to the Instances screen. Select the

instance, select the “Delete” action, and click Yes, delete when the warning

message is displayed.

IMPORTANT: This performs a partial delete, which removes the instance

from the Foundation appliance database but does not remove the instance

from the compute node. After a partial delete, you must clean up the

environment as follows:

• Manually delete all instances on the compute node.

• From the Compute Nodes screen, select the compute node and

deactivate it.

See Deactivate a compute node (page 106).

• Check the size of the log files in /var/log/nova directory and delete

them if they are consuming disk space needed for the next activation

or for other use.

• Remove the server blade from the cloud.

4. Reinstall the operating system and reactivate the host, if desired.

See Activate a compute node (page 105)

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