harddisk western digital green WD20EZRX 2TB 3.5 mekanisk cmr

selger disk brukt 7326 timer

WD20EZRX-00D8PB0

hastighet buffret sekvensiell skriving 148MB/s - med 4096B blokk størrelse - 4K

hastighet direkte/"ikke buffret" sekvensiell skriving 34.6MB/s - med 4096B blokk størrelse - 4K

smartinfo og ytelse test følger under

=== START OF INFORMATION SECTION ===

Model Family: Western Digital Green

Device Model: WDC WD20EZRX-00D8PB0

Serial Number: 3651

LU WWN Device Id: 5 0014ee 6ae73b9f5

Firmware Version: 80.00A80

User Capacity: 2,000,365,380,096 bytes [2.00 TB]

Sector Sizes: 512 bytes logical, 4096 bytes physical

Rotation Rate: 5400 rpm

Device is: In smartctl database 7.3/5601

ATA Version is: ACS-2 (minor revision not indicated)

SATA Version is: SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s)

Local Time is: Sun Apr 7 13:44:50 2024 CEST

SMART support is: Available - device has SMART capability.

SMART support is: Enabled

=== START OF READ SMART DATA SECTION ===

SMART Attributes Data Structure revision number: 16

Vendor Specific SMART Attributes with Thresholds:

ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE

1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 0

3 Spin_Up_Time 0x0027 173 169 021 Pre-fail Always - 4325

4 Start_Stop_Count 0x0032 099 099 000 Old_age Always - 1878

5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0

7 Seek_Error_Rate 0x002e 200 200 000 Old_age Always - 0

9 Power_On_Hours 0x0032 090 090 000 Old_age Always - 7326

10 Spin_Retry_Count 0x0032 100 100 000 Old_age Always - 0

11 Calibration_Retry_Count 0x0032 100 100 000 Old_age Always - 0

12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 337

192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 310

193 Load_Cycle_Count 0x0032 185 185 000 Old_age Always - 46234

194 Temperature_Celsius 0x0022 124 102 000 Old_age Always - 23

196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0

197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 0

198 Offline_Uncorrectable 0x0030 100 253 000 Old_age Offline - 0

199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 0

200 Multi_Zone_Error_Rate 0x0008 200 200 000 Old_age Offline - 0

Test med fio-3.33 - buffret sekvensiell skriving

################################################

sequential_write: (g=0): rw=write, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=1

fio-3.33

Starting 1 process

sequential_write: (groupid=0, jobs=1): err= 0: pid=78594: Mon Feb 17 12:38:11 2025

write: IOPS=36.0k, BW=141MiB/s (148MB/s)(9216MiB/65487msec); 0 zone resets

clat (usec): min=12, max=23057, avg=24.55, stdev=338.73

lat (usec): min=12, max=23057, avg=24.99, stdev=338.73

clat percentiles (usec):

| 1.00th=[ 14], 5.00th=[ 14], 10.00th=[ 14], 20.00th=[ 15],

| 30.00th=[ 15], 40.00th=[ 16], 50.00th=[ 16], 60.00th=[ 17],

| 70.00th=[ 18], 80.00th=[ 19], 90.00th=[ 21], 95.00th=[ 24],

| 99.00th=[ 37], 99.50th=[ 50], 99.90th=[ 145], 99.95th=[ 8094],

| 99.99th=[17695]

bw ( KiB/s): min= 760, max=197384, per=100.00%, avg=144285.12, stdev=22656.19, samples=130

iops : min= 190, max=49346, avg=36071.31, stdev=5664.04, samples=130

lat (usec) : 20=88.02%, 50=11.48%, 100=0.20%, 250=0.24%, 500=0.01%

lat (usec) : 750=0.01%, 1000=0.01%

lat (msec) : 2=0.01%, 4=0.01%, 10=0.01%, 20=0.04%, 50=0.01%

cpu : usr=17.38%, sys=55.11%, ctx=2295, majf=0, minf=12

IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%

submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%

complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%

issued rwts: total=0,2359296,0,0 short=0,0,0,0 dropped=0,0,0,0

latency : target=0, window=0, percentile=100.00%, depth=1

Run status group 0 (all jobs):

WRITE: bw=141MiB/s (148MB/s), 141MiB/s-141MiB/s (148MB/s-148MB/s), io=9216MiB (9664MB), run=65487-65487msec

Disk stats (read/write):

sdg: ios=50/109285, merge=0/18252387, ticks=5008/1009453, in_queue=1014462, util=99.84%

------------------------------------------------------------------------

Test med fio-3.33 - direkte "ikke buffret" sekvensiell skriving

sequential_write: (g=0): rw=write, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=1

fio-3.33

Starting 1 process

sequential_write: (groupid=0, jobs=1): err= 0: pid=78623: Mon Feb 17 12:51:04 2025

write: IOPS=8456, BW=33.0MiB/s (34.6MB/s)(9216MiB/278988msec); 0 zone resets

clat (usec): min=87, max=51802, avg=114.19, stdev=80.09

lat (usec): min=88, max=51802, avg=115.25, stdev=80.11

clat percentiles (usec):

| 1.00th=[ 97], 5.00th=[ 101], 10.00th=[ 103], 20.00th=[ 108],

| 30.00th=[ 110], 40.00th=[ 112], 50.00th=[ 113], 60.00th=[ 114],

| 70.00th=[ 115], 80.00th=[ 115], 90.00th=[ 117], 95.00th=[ 120],

| 99.00th=[ 128], 99.50th=[ 165], 99.90th=[ 1319], 99.95th=[ 1614],

| 99.99th=[ 1680]

bw ( KiB/s): min= 2048, max=38064, per=100.00%, avg=33855.25, stdev=1796.20, samples=557

iops : min= 512, max= 9516, avg=8463.65, stdev=449.08, samples=557

lat (usec) : 100=3.69%, 250=96.08%, 500=0.01%, 750=0.01%, 1000=0.01%

lat (msec) : 2=0.22%, 4=0.01%, 10=0.01%, 50=0.01%, 100=0.01%

cpu : usr=5.25%, sys=16.60%, ctx=2359750, majf=0, minf=12

IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%

submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%

complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%

issued rwts: total=0,2359296,0,0 short=0,0,0,0 dropped=0,0,0,0

latency : target=0, window=0, percentile=100.00%, depth=1

Run status group 0 (all jobs):

WRITE: bw=33.0MiB/s (34.6MB/s), 33.0MiB/s-33.0MiB/s (34.6MB/s-34.6MB/s), io=9216MiB (9664MB), run=278988-278988msec

Disk stats (read/write):

sdg: ios=83/2358332, merge=0/0, ticks=4687/231105, in_queue=235792, util=81.58%

################################################

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