Sun Microsystems Fire 880, Owner'S Manual

Page: 163 / 236

Chapter 7 Server Administration 145
Unlike other hot-pluggable devices, you can install or remove a power supply or fan
tray while the system is operating at the
ok
prompt. However, in the case of the
power supply, you must issue a
reset-all
command at the
ok
prompt in order for
the change to be recognized the next time the operating system is booted.
Note – If you remove a power supply or fan tray while the operating system is
running, wait for an acknowledgement message on the system console before
installing a replacement part; otherwise, the environmental monitoring software will
not recognize the new device and false error conditions will result.
Caution – When hot-swapping a redundant fan tray, do not put your hand into the
empty fan tray bay. The fans in the populated bay are still spinning.
For additional information, see:
■
“About Power Supplies” on page 73
■
“About Fan Trays” on page 75
Disk Drives
Sun Fire 880 internal disk drives are hot-pluggable. However, certain software
preparations are required. To perform Sun Fire 880 disk drive hot-plug operations,
you use the Solaris
luxadm
utility. The
luxadm
utility is a command-line tool for
managing intelligent storage arrays such as Sun StorEdge A5x00 series disk arrays
or Sun Fire 880 internal storage arrays. For more information on
luxadm
, see “About
the Solaris
luxadm
Utility” on page 156. For complete disk hot-plug procedures,
refer to Platform Notes: Using luxadm Software , available on the Solaris on Sun
Hardware AnswerBook . This AnswerBook documentation is provided on the Sun
Computer Systems Supplement CD for your specific Solaris release.
Caution –
When hot-plugging a disk drive, after disconnecting the drive from its
backplane, allow 30 seconds or so for the drive to spin down completely before
removing it from its drive bay.