Encrypted Volume and File System v2.0 Administrator Guide HP-UX 11i v3

7 Administering EVS
This chapter describes how to perform the following EVFS administrative tasks:
Starting and stopping EVFS components. This includes the tasks described in the following
sections:
“Enabling encryption and decryption access to EVS volumes” (page 62)
“Disabling encryption and decryption access to EVS volumes” (page 62)
“Stopping the EVFS subsystem” (page 63)
“Opening raw access to EVS volumes” (page 63)
“Closing raw access to EVS volumes” (page 64)
Managing EVFS keys and users. This includes the tasks described in the following sections:
“Displaying key IDs for an EVS volume” (page 64)
“Restoring user keys” (page 65)
“Changing owner keys for an EVS volume” (page 66)
“Recovering from problems with owner keys” (page 67)
“Removing keys from an EVS volume” (page 67)
“Removing user keys or stored passphrase from the EVFS key database” (page 67)
“Changing the passphrase for a key” (page 68)
“Creating or changing a stored passphrase for an existing key” (page 68)
Recovering from encryption metadata (EMD) corruption. This task is described in the section
“Recovering from EMD corruption” (page 69).
Removing a volume from the EVFS subsystem. This task is described in “Removing a volume
from the EVFS subsystem” (page 69).
Exporting and importing EVS volumes. This includes the tasks described in the following
sections:
“Exporting an EVS volume” (page 71)
“Importing an EVS volume” (page 72)
“Resizing EVS volumes and file systems” (page 73)
Starting and stopping EVFS
This section describes the following procedures for enabling and disabling EVFS components:
Starting the EVFS Subsystem (see “Step 4: Starting the EVFS subsystem” (page 31))
“Enabling encryption and decryption access to EVS volumes” (page 62)
“Disabling encryption and decryption access to EVS volumes” (page 62)
“Stopping the EVFS subsystem” (page 63)
“Opening raw access to EVS volumes” (page 63)
“Closing raw access to EVS volumes” (page 64)
Starting and stopping EVFS 61