st_volume_clear_data

This job overwrites data with zeroes on all segments that reside on the specified nodes.

Mandatory Parameters

Parameter Name Data Type Description
vid integer Volume ID
num_bytes integer Number of bytes per segment to overwrite. Zero means all bytes.
node_ids list Node ID of the nodes whose segments should be overwritten. Empty list means all nodes

Optional Parameters

Parameter Name Data Type Description
vname string Name of an existing volume

Substitute Parameters

The below table describes what parameters can be substituted for another parameter.

Parameter Name Substitute Parameter
vid vname
vname vid

Allowed Users

The following users are allowed to run this job:

  • root

Allowed Groups

The following groups are allowed to run this job:

  • root
  • exastoradm
  • exaadm

Examples

The following code snippets show how to use this job using both Python (via XML-RPC) and on the command-line using confd_client.

conn.job_exec('st_volume_clear_data', {'params': {'vname': 'DataVolume1', 'num_bytes': 0, 'node_ids': [0]}})
confd_client st_volume_clear_data vname: DataVolume1 num_bytes: 0 node_ids: '[0]'