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4. HARD DISKS DRIVES (HDDs)
Depending on the type of failure, important files may be lost when you use this
equipment. Files can be lost by power failure and human mistakes during
operation in addition to the failure of the equipment. If such a situation occurs,
the files cannot be recovered. In order to prevent data loss, make it a routine to
save your files and establish a systematic schedule for backing up files.
(1) Handling the Hard Disk Drives
<Precautions>
・The access performance of the HDDs differs depending on the equipment. Also note that
the performance of an HDD is lower at high or low temperatures. When you use HDDs,
confirm that the access performance of the HDDs at normal temperatures and their
degraded performance at high or low temperatures do not cause any problems to the user
application.
<Required actions>
・Do not subject HDDs to vibration or shock.
・Take preventive action against static electricity due to human contact, and due to other
activities in the work place.
・Hold the bracket or sides of an HDD. Do not touch the printed circuit board and
connector.
・When you store an HDD for a long time, put the HDD into an anti-static bag and then
store it in a dedicated box.
<Specifications>
・When you modify existing partitions, delete the partitions first and then re-create them.
・The capacity and performance of an HDD may be changed when you replace an HDD as
a component.
(2) Backing Up Files
<Required actions>
・Make sure the contents of all HDDs are backed up periodically.
・When you delete a partition, all files in the partition will be deleted. Before you delete a
partition, back up important files you need.
NOTICE
C-8
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