DMU

Disk Monitoring Utility

Introduction

dmu is a tool for checking software and hardware mirroring on a number of Unix platforms.

Some features of dmu:

Supports multiple mirroring types and controllers in the same machine.

Supports reporting via email and syslog.

Supports the following software and hardware based mirroring:

• Solaris Volume Manager
• Veritas Volume Manager
• Solaris zpool
• Solaris raidctl
• Linux software mirroring
• Linux IBM ServeRAID 4lx, 4mx, 5i, 6i, 7, 7k, 8i
• Linux LSI MegaRAID SAS
• Linux Adaptec RAID Controllers
• FreeBSD LSI
• FreeBSD raidctl
• Linux Dynapath
• Linux DAC960
• Linux LSI SASx36
• Linux PERC H700

Usage

dmu [OPTIONS]

-h Display help
-V Display version information
-c Display change log
-l Display list of mirrored disks
-f Display warning messages if any (during this hour)
-F Display warning messages if any (during this day)
-A Display warning messages if any
-m If an error is found send email
-s If an error is found create syslog message
-t Induce false errors (for testing purposes)
-n Run in non network mode (no check for updates)
-P Print error codes for Patrol
-v Verbose output

Examples

Show disk information including status:

dmu -l

Mail errors if they are found:

dmu -m

Display warning messages created during this hour:

dmu -f

Introduce false errors and send email:

dmu -m -t