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8-1
CHAPTER
8
Administering MFS Disks
This chapter tells how to monitor MFS disks and how to detect and respond to disk
failures.
8.1 Monitoring MFS Disks
The easiest way to monitor the Media File System (MFS) disks is to use the Sun
MediaCenter WebAdmin tool. The WebAdmin tool is a Web-based graphical user
interface (GUI) for monitoring the Sun MediaCenter server and is part of the
software that is installed on the Sun MediaCenter server. Using the WebAdmin tool
is discussed in detail in Chapter 3 “Monitoring the Server.”
The Disk Health page in the WebAdmin tool displays the disks in groups, as
specified by the RAID layout. Individual disks can be either Data or Parity type. The
name of each disk is shown, along with an icon that shows the status of the disk.
Icons can be one of the following colors:
■ green is normal
■ red is failed or reconstructing
You can also monitor console output with the WebAdmin tool, including checking
/var/adm/messages for console messages that might have scrolled off your screen
or window.
Monitoring MFS Disks page 8-1
MFS Utilities page 8-2
Replacing a Failed Disk page 8-10