Question OCZ Vertex 4 TBW?

stchman

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Oct 7, 2012
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I have an old OCZ Vertex 4 256GB drive. I am trying to see how much life the drive has left. It is ~9 years old, but seems to run well.

Here is the smartmontools output under Linux Mint 20.2

Code:
sudo smartctl -a /dev/sda
smartctl 7.1 2019-12-30 r5022 [x86_64-linux-5.4.0-88-generic] (local build)
Copyright (C) 2002-19, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Family:     Indilinx Barefoot_2/Everest/Martini based SSDs
Device Model:     OCZ-VERTEX4
Serial Number:    OCZ-A551304HK083C16F
LU WWN Device Id: 5 e83a97 aeac8357d
Firmware Version: 1.5
User Capacity:    256,060,514,304 bytes [256 GB]
Sector Size:      512 bytes logical/physical
Rotation Rate:    Solid State Device
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   ACS-2 (minor revision not indicated)
SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is:    Thu Oct 21 21:31:17 2021 CDT
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

General SMART Values:
Offline data collection status:  (0x00)    Offline data collection activity
                    was never started.
                    Auto Offline Data Collection: Disabled.
Self-test execution status:      (   0)    The previous self-test routine completed
                    without error or no self-test has ever
                    been run.
Total time to complete Offline
data collection:         (    0) seconds.
Offline data collection
capabilities:              (0x1d) SMART execute Offline immediate.
                    No Auto Offline data collection support.
                    Abort Offline collection upon new
                    command.
                    Offline surface scan supported.
                    Self-test supported.
                    No Conveyance Self-test supported.
                    No Selective Self-test supported.
SMART capabilities:            (0x0003)    Saves SMART data before entering
                    power-saving mode.
                    Supports SMART auto save timer.
Error logging capability:        (0x00)    Error logging NOT supported.
                    General Purpose Logging supported.
Short self-test routine
recommended polling time:      (   0) minutes.
Extended self-test routine
recommended polling time:      (   0) minutes.

SMART Attributes Data Structure revision number: 18
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x0000   005   000   000    Old_age   Offline      -       5
  3 Spin_Up_Time            0x0000   100   100   000    Old_age   Offline      -       0
  4 Start_Stop_Count        0x0000   100   100   000    Old_age   Offline      -       0
  5 Reallocated_Sector_Ct   0x0000   100   100   000    Old_age   Offline      -       0
  9 Power_On_Hours          0x0000   100   100   000    Old_age   Offline      -       4713
12 Power_Cycle_Count       0x0000   100   100   000    Old_age   Offline      -       2548
232 Lifetime_Writes         0x0000   100   100   000    Old_age   Offline      -       11198350898
233 Media_Wearout_Indicator 0x0000   100   000   000    Old_age   Offline      -       100

SMART Error Log not supported

Warning! SMART Self-Test Log Structure error: invalid SMART checksum.
SMART Self-test log structure revision number 1
No self-tests have been logged.  [To run self-tests, use: smartctl -t]

Selective Self-tests/Logging not supported
I do not know the units for Lifetime_Writes and a have not found any other information.
 
I have an old OCZ Vertex 4 256GB drive. I am trying to see how much life the drive has left. It is ~9 years old, but seems to run well.

Here is the smartmontools output under Linux Mint 20.2

Code:
sudo smartctl -a /dev/sda
smartctl 7.1 2019-12-30 r5022 [x86_64-linux-5.4.0-88-generic] (local build)
Copyright (C) 2002-19, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Family:     Indilinx Barefoot_2/Everest/Martini based SSDs
Device Model:     OCZ-VERTEX4
Serial Number:    OCZ-A551304HK083C16F
LU WWN Device Id: 5 e83a97 aeac8357d
Firmware Version: 1.5
User Capacity:    256,060,514,304 bytes [256 GB]
Sector Size:      512 bytes logical/physical
Rotation Rate:    Solid State Device
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   ACS-2 (minor revision not indicated)
SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is:    Thu Oct 21 21:31:17 2021 CDT
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

General SMART Values:
Offline data collection status:  (0x00)    Offline data collection activity
                    was never started.
                    Auto Offline Data Collection: Disabled.
Self-test execution status:      (   0)    The previous self-test routine completed
                    without error or no self-test has ever
                    been run.
Total time to complete Offline
data collection:         (    0) seconds.
Offline data collection
capabilities:              (0x1d) SMART execute Offline immediate.
                    No Auto Offline data collection support.
                    Abort Offline collection upon new
                    command.
                    Offline surface scan supported.
                    Self-test supported.
                    No Conveyance Self-test supported.
                    No Selective Self-test supported.
SMART capabilities:            (0x0003)    Saves SMART data before entering
                    power-saving mode.
                    Supports SMART auto save timer.
Error logging capability:        (0x00)    Error logging NOT supported.
                    General Purpose Logging supported.
Short self-test routine
recommended polling time:      (   0) minutes.
Extended self-test routine
recommended polling time:      (   0) minutes.

SMART Attributes Data Structure revision number: 18
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x0000   005   000   000    Old_age   Offline      -       5
  3 Spin_Up_Time            0x0000   100   100   000    Old_age   Offline      -       0
  4 Start_Stop_Count        0x0000   100   100   000    Old_age   Offline      -       0
  5 Reallocated_Sector_Ct   0x0000   100   100   000    Old_age   Offline      -       0
  9 Power_On_Hours          0x0000   100   100   000    Old_age   Offline      -       4713
12 Power_Cycle_Count       0x0000   100   100   000    Old_age   Offline      -       2548
232 Lifetime_Writes         0x0000   100   100   000    Old_age   Offline      -       11198350898
233 Media_Wearout_Indicator 0x0000   100   000   000    Old_age   Offline      -       100

SMART Error Log not supported

Warning! SMART Self-Test Log Structure error: invalid SMART checksum.
SMART Self-test log structure revision number 1
No self-tests have been logged.  [To run self-tests, use: smartctl -t]

Selective Self-tests/Logging not supported
I do not know the units for Lifetime_Writes and a have not found any other information.
Don't worry about life time or writes left, it's completely arbitrary, it may die next minute or last way past any estimates. What manufacturer states as TBW is just for warranty purposes. More than often in normal use and if nothing goes wrong, they will last way longer.
 

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Lifetime writes on that drive seems to be a sector (512B) in size. 11198350898/1024/1024/2 = 5340GB = 5.34TB written, if I'm correct.

The Vertex 4 I believe uses Intel's 25nm planar 2-bit MLC. I think this was rated for 5k PE cycles, which for a 256GB drive would be around 1.28PB, not accounting for write amplification, ECC, etc.

You won't be wearing out the flash, it will die from something else.
 
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