If an O&M ticket fails, you can retry the failed steps. This operation is applicable to an O&M ticket or its sub-tickets.
Prerequisites
The O&M ticket is in the Failed state.
Procedure
Log on to the OMS console.
In the left-side navigation pane, choose O&M and Monitoring > O&M Tickets.
Search for the specific O&M ticket by operation type, creation time, object, or operator.
Click View Details.
Retry the ticket or its sub-ticket.
Retry the ticket: Click Retry in the upper-right corner of the Tasks tab page.
Retry a sub-ticket: Click Retry in the Actions column corresponding to the sub-ticket.
In the dialog box that appears, click OK.