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4
Cautions concerning backup
In this chapter:
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"Ejecting the data cartridge after backup" on page 15
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"Data compression rate" on page 15
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"Backup performance/capacity" on page 16
"Points to note during system configuration" on page 16
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4.1
Ejecting the data cartridge after backup
Do not leave the data cartridge in this product.
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Doing so makes the data cartridge wear faster, because the longer it is used,
the faster it wears. The tape recording surface of the data cartridge is
exposed when inserted in this product and if it is left in this state for a long
time it will easily be affected by suspended particles of dust. Insert the data
cartridge just before the backup operation, and remove it immediately after
the operation.
Do not turn off the power with the data cartridge inserted.
●
If the power is turned off with the data cartridge inserted, it takes a while
before this product can be used after the next power-on.
4.2
Data compression rate
This product has a data compression function included in the hardware.
Although the data compression rate is approximately 200%, it varies depending
on the data content.
Data that has already been compressed by software is not effected by this
product.
Some backup software has a data compression function prior to transfer,
however, do not compress data by software if the hardware compression
function is on.
LTO-5 Half-Height SAS Tape Drives
15
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