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100 = Best = Full SSD life remains
10 = Replace = Sufficient Flash blocks
still in service, but rated PE Cycles
consumed
1 = Worst = Insufficient Flash blocks
remain in service; EOL; drive is read-
from Host
System
Indicates the number of bytes (in 64GB
resolution) written to the drive by a host
system, over the life of the drive.
Usage:
[6-4] : None (0x00)
[3-0]: Count of 64GB units written
This Attribute returns a byte
count, in units of Gigabytes at an
update resolution of 64 GBytes.
The count represents the
number of bytes written. The
Attribute reads ‘0’ until the
number of bytes written reaches
64GB; at 64GB the Attribute
increments to a value of
Host System
Indicates the number of bytes (in 64GB
resolution) read from the drive by a
host system, over the life of the drive.
Usage:
[6-4] : None (0x00)
[3-0]: Count of 64GB units read
This Attribute returns a byte
count, in units of Gigabytes at an
update resolution of 64 GB.
The count represents the
number of bytes read. The
Attribute reads ‘0’ until the
number of bytes read reaches
64GB; at 64GB the count
increments to a value of ‘64’
Figure 5-1: S.M.A.R.T. ECC and RAISE Error Summary
