
P r e f a c e
Korean Class A Electronic Emission Statement
l
Rack System Precautions
The following safety requirements must be considered when the product is mounted in a rack.
!Do not slide more than one product enclosure chassis out of the rack at a time, to avoid the rack from toppling over.
Warning
ESD Precautions
Caution ! It is recommended that you wear a working (examine before wearing)
Data Security
•Before beginning product installation, power down your host computer and all attached peripheral devices.
•Disk drives are fragile. Handle them with care, and keep them away from strong magnetic fields.
•All the supplied
•If the subsystem is used with modules or blanking plates missing for more than a few minutes, the enclosure can overheat, causing power failure and data loss.
•If you remove any drive module, you may lose data.
•If you remove a drive module, replace it immediately. Replace it with a drive module of the same type and capacity
•Do not abandon your backup routines. No system is completely foolproof.
viii | IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide |