45584901TH Rev.1
6-10 /
Oki Data CONFIDENTIAL
3.ID=05andc5
ID Name Description Remarkd
05 Re-allocated Sector
Count
The number of sectors reassigned This value tends to
increase at HDD
failure.
c5 Current Pending
Sector Count
The number of candidate sectors to be reassigned This value tends to
increase at HDD
failure.
4. Description of each ID
ID Name Meaning
01 Read Error Rate This attribute is a measure of the read error rate.
02 Throughput Performance This attribute is a measure of the throughput performance.
03 Spin Up Time Thisattributeisameasureofhowquicklythedriveisableto
spin up from a spun down condition.
04 Spin Start/Stop Count This attribute is a measure of the total number of spin ups from
a spun down condition.
05 Re-allocated Sector Count This attribute is a measure of the total number of reallocated
sectors.
07 Seek Error Rate This is a measure of the seek error rate.
08 Seek Time Performance This attribute is a measure of a drive's seek performance during
normal online operations.
09 Power-On Hours This attribute is a measure of the total time (hours or minutes
depending on disk manufacturer) the drive has been on.
0a Spin Retry Count This attribute is a measure of the total number of spin retries.
0c Power Cycle Count This attribute is a measure of the number of times the drive has
been turned on.
c0 Power off Retract Count This attribute is a measure of the total number of emergency
unloads.
c1 LoadCycleCount This attribute is a measure of the total number of load/unloads.
c2 Temperature This attribute is a measure of the temperature in the HDD.
c3 ECC On the Fly Count This attribute is a measure of the total number of the ECC On
the Fly.
c4 Reallocation Event Count This attribute is a measure of the total number of the reallocation
events.
c5 Current Pending Sector Count This attribute is a measure of the total number of candidate
sectors to be reallocated.
c6 Off-LineScanUncorrectable
Sector Count
This attribute is a measure of the total number of uncorrectable
sectors found during the off-line scan.
c7 Ultra DMA CRC Error Count
(Rate)
This attribute is a measure of the total number of errors found in
data transfer in the Ultra-DMA mode.
c8 WriteErrorRate This attribute is a measure of the write error rate.
Notes:
“Over-range”isdisplayedifthenumberofdigitsacquiredfromtheHDDexceedsthemaximum
digitswhichcanbedisplayedonthecontrolpanel;however,thisdoesnotindicateanerror.