Question:
How are disks removed on delete or migrate?
Environment:
OnApp versions later than 3.0
Answer:
Starting in the 3.0 version, it is possible to choose between format and wipe format (filling zeroes) when deleting or migrating a disk.
To enable disk wiping, you have to perform the following as root on your CP Server:
1. Set the wipe_out_disk_on_destroy parameter value to true in the /onapp/interface/config/on_app.yml configuration file
2. Restart OnApp service (service onapp restart)
The wipe_out_disk_on_destroy value is set to FALSE by default.
PLEASE NOTE: If you are using the lvwipe patch which was available for 2.x, you should remove this before enabling this feature under to 3.0.
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