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4 NetApp ONTAP share delete operation can fail sometimes when is triggered
5 immediately after migration cancelation on a overloaded NetApp backend.
6 Canceling an ongoing migration is an asynchronous operation on an
7 ONTAP storage system.
8 Now the NetApp driver checks if the asynchronous API has ended its
9 operation before reporting migration cancelation success. If the operation
10 of the asynchronous API did not end within the specified timeout, the
11 ``migration cancel`` cancel operation will be considered unsuccessful.
12 To do so, a new configuration option ``netapp_migration_cancel_timeout``
13 has been added.
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16 The configuration option ``netapp_migration_cancel_timeout`` can be
17 specified in the NetApp backend section to redefine the amount of time
18 that the NetApp driver must attempt to wait on the asynchronous
19 operation to cancel an ongoing migration. This option is set to 3600
20 seconds by default, which is sufficient time in most cases.