High Capacity Hdd (Option); Hdd Mirroring Feature (Option) - Canon imageRUNNER ADVANCE 8105 Series Service Manual

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Technology > Main Controller > Controls > HDD mirroring feature (option)
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High capacity HDD (Option)

The HDD capacity mounted on this machine is 80GB as standard. Mounting a 2.5 inch/
250GB HDD-D1 (option) makes 250 GB in HDD capacity. High capacity is required in the
case of saving large amounts of data with "Advanced Box"
Mounting this option increases capacity for Advanced Box.
9GB: in the case of 80GB HDD capacity
674GB: in the case of 1TB HDD capacity
FSTDEV
TMP_GEN
TMP_PSS
TMP_FAX
APL_SEND
APL_MEAP
APL_GEN
APL_KEEP
APL_LOG
IMG_MNG
PDLDEV
FSTCDEV
THUMDEV
BOOTDEV
CRBDEV
APL_CDS
Although simple calculation says: 250GB - 80GB = 170GB, it requires 20% of snapshot
area and the data area to be used for internal processing in the system. Therefore, 114GB
can be actually used for text storage area.
2 Technology > Main Controller > Controls > HDD mirroring feature (option)
Image data (User Box)
Universal data (temporary file)
For PDL spooling
FAX data
Address book, filter
MEAP application
Universal data
MEAP saving data
System log
Text management table
PDL-related file (font, registration form, etc.)
Job archiving (chasing)
Thumbnail
System software (System, language, RUI, etc.）
For Advanced Box
For distribution server
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HDD mirroring feature (option)

This option enables mirroring of HDD data (RAID1).
In the case of failure in one HDD, the operation is performed with the other HDD. This
feature minimizes downtime as well as improves reliability as the document server.
There are 2 types of mirroring configurations according to the HDD capacity (80GB /
250GB):
Master (HDD1)
80 GB
Standard
Backup (HDD2)
80 GB
Option
Master (HDD1)
250 GB
Option
Backup (HDD2)
F-2-30 F-2-30
250 GB
Option
H H D D D D M M i i r r r r o o r r i i n n g g K K i i t t – – E E 1 1
Mirroring PCB
LED PCB
Ch A
Ch B
2 2 . . 5 5 i i n n c c h h / / 8 8 0 0 G G B B H H D D D D - - C C 1 1
2 2 . . 5 5 i i n n c c h h / / 250 250 G B H D D - - D D 1 1
G B H D D
H H D D D D M M i i r r r r o o r r i i n n g g K K i i t t - - E E 1 1
Mirroring PCB
LED PCB
Ch A
Ch B
2 2 . . 5 5 i i n n c c h h / / 250 250 G G B B H H D D D D - - D D 1 1
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F-2-31 F-2-31
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