Administrator's Guide

8 Troubleshooting EVFS
This chapter contains information about troubleshooting the HP-UX Encrypted Volume and File
System (EVFS) product. This chapter addresses the following topics:
• “Troubleshooting Tools Overview” (page 129)
• “Displaying EVFS Volume Information” (page 130)
• “Verifying the EMD (evfsvol check)” (page 133)
• “Verifying User Keys (evfspkey lookup)” (page 134)
• “Problem Scenarios” (page 135)
• “Reporting Problems” (page 139)
Troubleshooting Tools Overview
EVFS provides troubleshooting tools to perform the following tasks:
• Display EVFS volume information
• Verify the encryption metadata (EMD)
• Verify user key pairs
The tasks and commands used to perform them are listed in Table 8-1and are described in the
sections that follow.
Table 8-1 EVFS Troubleshooting Tasks and Commands
CommandTask
evfsadm stat -a
Show all I/O and cryptography
statistics for each EVFS volume.
evfsadm stat -s
Show the total number of data
blocks, read, written, decrypted,
and encrypted by EVFS.
evfsadm stat -z
Reset EVFS statistic values to
zero.
evfsvol display -a|evfs_volume_path
Display key IDs, underlying
volume, and operating
parameters for EVFS volumes.
evfsvol check -a|evfs_volume_path
Verify the integrity of the EMD
area of a volume.
evfspkey lookup [-u user|-r] [-k keyname]
Verify and display information
about user key pairs.
Troubleshooting Tools Overview 129