For
HP
Internal Use Only
Data Error Log.
The
Data
Error
Log includes
the
following fields: Logical Block Address,
Error
Type, Count, and Error.
The
Logical Block Address field contains
the
logical block address of a
data
block
that
encountered multiple read retries during one or more
data
error recovery
attempts.
The
Error
Type
field indicates
the
type
of
data
error
the
block encountered (refer
to
Table 5-46).
The
Count
field is incremented each
time
a block is uncorrectable or requires multiple retries
during a transaction. This field is incremented only once for each
data
recovery
attempt.
The
Error
field contains encoded
data
error byte information as listed in Table 5-46.
Table 5-46. Hard Disk Drive Error Type and Error Byte
Error type:
REC-E
=
REC-R
=
UNR=
Error byte:
Recovered
data
with
ECC
Recovered
data
with retrys
Unrecoverable error
lXXXXXXX
= U nclassifiable error
XlXXXXXX
= Error occurred in header field
XXlXXXXX
= Error occurred in
data
field
XXXlXXXX
= Unrecoverable
data
XXXXlXXX
=
Data
recovered with ECC
XXXXXlXX
=
Data
recovered with retries
XXXXXXlX
= Write fault
XXXXXXXl
= Reserved
Hardware Error Log.
The
Hardware
Error
Log includes
the
following fields: Logical Block
Address,
Internal
Drive
Status,
and
Access Count.
The
Logical Block Address field contains
the
logical block address
of
a
data
block
that
was
being accessed when
the
error occurred.
The
Internal
Device
Status
field contains
an
error code corresponding
to
the
Additional Sense
Code field
returned
by
the
REQUEST
SENSE command.
The
Access
Count
field indicates
the
number
of
media accesses
that
had
been performed when
the
hardware fault occurred. To determine
the
total
number
of
media accesses,
add
these
values
to
the
Access Count field
of
the
Usage Log. Table 5-45 lists
the
access count ranges
corresponding
to
the
values
in
this field.
5-48 Troubleshooting
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