Encrypted Volume and File System v2.2 Administrator Guide (777846-001, April 2014)

Step 3: Verifying the configuration...................................................................................57
evfsadm stat -a.........................................................................................................57
evfsvol display evfs_volume_path................................................................................58
Verifying data encryption..........................................................................................58
Example.............................................................................................................59
Step 4: Backing up your configuration.............................................................................59
Examples..........................................................................................................................59
Option 1......................................................................................................................60
Korn shell script for creating an EVS volume and file system...........................................61
Option 2......................................................................................................................61
7 Administering EVS................................................................................63
Starting and stopping EVFS.................................................................................................63
Enabling encryption and decryption access to EVS volumes................................................64
Disabling encryption and decryption access to EVS volumes...............................................64
Stopping the EVFS subsystem..........................................................................................65
Opening raw access to EVS volumes...............................................................................65
Closing raw access to EVS volumes.................................................................................66
Managing EVFS keys and users...........................................................................................66
Displaying key IDs for an EVS volume..............................................................................66
Syntax....................................................................................................................67
Example..................................................................................................................67
Restoring user keys........................................................................................................67
Changing owner keys for an EVS volume.........................................................................68
Recovering from problems with owner keys.......................................................................69
Removing keys from an EVS volume.................................................................................69
Removing user keys or stored passphrase from the EVFS key database..................................69
Changing the passphrase for a key.................................................................................70
Creating or changing a stored passphrase for an existing key.............................................70
Recovering from EMD corruption..........................................................................................71
EMD backup directory...................................................................................................71
Removing a volume from the EVFS subsystem.........................................................................72
Exporting and importing EVS volumes..................................................................................72
Exporting an EVS volume...............................................................................................73
Importing an EVS volume...............................................................................................75
Resizing EVS volumes and file systems..................................................................................76
LVM Example: Increasing volume and file system sizes.......................................................76
Correct....................................................................................................................76
Incorrect..................................................................................................................77
8 Backing up and restoring data on EVS volumes........................................78
Backing up EVS volumes.....................................................................................................78
Backups using LVM mirrored volumes...............................................................................80
Creating encrypted backup media on a Non-EVFS device (LVM mirrored volumes) ...........81
Example.............................................................................................................82
Creating encrypted backup media on a second EVS volume using a block device utility
(LVM mirrored volumes).............................................................................................82
Example.............................................................................................................84
Creating encrypted backup media on a second EVS volume using a file utility (LVM mirrored
volumes)..................................................................................................................84
Example.............................................................................................................85
Creating cleartext backup media (LVM mirrored volumes)..............................................86
Example: Block device utility.................................................................................86
Example: File utility..............................................................................................86
Backups using VxVM mirrored volumes............................................................................87
Creating encrypted backup media on a non-EVFS device (VxVM mirrored volumes)..........87
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