# # hdparm -iv /dev/sda /dev/sda: multcount = 0 (off) IO_support = 1 (32-bit) readonly = 0 (off) readahead = 256 (on) geometry = 249038/255/63, sectors = 4000797360, start = 0 Model=TEAM T2532TB, FwRev=V0906B0, SerialNo=TPBF2210040010700551 Config={ Fixed } RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=0 BuffType=unknown, BuffSize=unknown, MaxMultSect=1, MultSect=off CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=4000797360 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes: pio0 pio1 pio2 pio3 pio4 DMA modes: mdma0 mdma1 mdma2 UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6 AdvancedPM=yes: unknown setting WriteCache=enabled Drive conforms to: unknown: ATA/ATAPI-4,5,6,7 * signifies the current active mode # # smartctl -a /dev/sda smartctl 7.3 2022-02-28 r5338 [x86_64-linux-5.15.82-calculate] (local build) Copyright (C) 2002-22, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Device Model: TEAM T2532TB Serial Number: TPBF2210040010700551 Firmware Version: V0906B0 User Capacity: 2,048,408,248,320 bytes [2.04 TB] Sector Size: 512 bytes logical/physical Rotation Rate: Solid State Device Form Factor: M.2 TRIM Command: Available Device is: Not in smartctl database ATA Version is: ACS-2 T13/2015-D revision 3 SATA Version is: SATA 3.2, 6.0 Gb/s (current: 6.0 Gb/s) Local Time is: Wed Feb 8 14:17:12 2023 MSK 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: (0x02) Offline data collection activity was completed without error. 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: ( 120) seconds. Offline data collection capabilities: (0x11) SMART execute Offline immediate. No Auto Offline data collection support. Suspend Offline collection upon new command. No Offline surface scan supported. Self-test supported. No Conveyance Self-test supported. No Selective Self-test supported. SMART capabilities: (0x0002) Does not save SMART data before entering power-saving mode. Supports SMART auto save timer. Error logging capability: (0x01) Error logging supported. General Purpose Logging supported. Short self-test routine recommended polling time: ( 2) minutes. Extended self-test routine recommended polling time: ( 10) minutes. SCT capabilities: (0x0001) SCT Status supported. SMART Attributes Data Structure revision number: 1 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x0032 100 100 050 Old_age Always - 0 5 Reallocated_Sector_Ct 0x0032 100 100 050 Old_age Always - 0 9 Power_On_Hours 0x0032 100 100 050 Old_age Always - 1 12 Power_Cycle_Count 0x0032 100 100 050 Old_age Always - 7 160 Unknown_Attribute 0x0032 100 100 050 Old_age Always - 0 161 Unknown_Attribute 0x0033 100 100 050 Pre-fail Always - 100 163 Unknown_Attribute 0x0032 100 100 050 Old_age Always - 29 164 Unknown_Attribute 0x0032 100 100 050 Old_age Always - 0 165 Unknown_Attribute 0x0032 100 100 050 Old_age Always - 0 166 Unknown_Attribute 0x0032 100 100 050 Old_age Always - 0 167 Unknown_Attribute 0x0032 100 100 050 Old_age Always - 0 168 Unknown_Attribute 0x0032 100 100 050 Old_age Always - 5050 169 Unknown_Attribute 0x0032 100 100 050 Old_age Always - 100 175 Program_Fail_Count_Chip 0x0032 100 100 050 Old_age Always - 0 176 Erase_Fail_Count_Chip 0x0032 100 100 050 Old_age Always - 0 177 Wear_Leveling_Count 0x0032 100 100 050 Old_age Always - 0 178 Used_Rsvd_Blk_Cnt_Chip 0x0032 100 100 050 Old_age Always - 0 181 Program_Fail_Cnt_Total 0x0032 100 100 050 Old_age Always - 0 182 Erase_Fail_Count_Total 0x0032 100 100 050 Old_age Always - 0 192 Power-Off_Retract_Count 0x0032 100 100 050 Old_age Always - 7 194 Temperature_Celsius 0x0022 100 100 050 Old_age Always - 25 195 Hardware_ECC_Recovered 0x0032 100 100 050 Old_age Always - 0 196 Reallocated_Event_Count 0x0032 100 100 050 Old_age Always - 0 197 Current_Pending_Sector 0x0032 100 100 050 Old_age Always - 0 198 Offline_Uncorrectable 0x0032 100 100 050 Old_age Always - 0 199 UDMA_CRC_Error_Count 0x0032 100 100 050 Old_age Always - 0 232 Available_Reservd_Space 0x0032 100 100 050 Old_age Always - 100 241 Total_LBAs_Written 0x0030 100 100 050 Old_age Offline - 868 242 Total_LBAs_Read 0x0030 100 100 050 Old_age Offline - 1211 245 Unknown_Attribute 0x0032 100 100 050 Old_age Always - 0 SMART Error Log Version: 1 No Errors Logged SMART Self-test log structure revision number 1 Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Short offline Completed without error 00% 0 - Selective Self-tests/Logging not supported # Линейное чтение: # fio -direct=1 -invalidate=1 -name=test -bs=4M -iodepth=32 -rw=read -runtime=60 -filename=/dev/sda test: (g=0): rw=read, bs=(R) 4096KiB-4096KiB, (W) 4096KiB-4096KiB, (T) 4096KiB-4096KiB, ioengine=psync, iodepth=32 fio-3.27 Starting 1 process Jobs: 1 (f=1): [R(1)][100.0%][r=520MiB/s][r=130 IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=14199: Wed Feb 8 13:52:59 2023 read: IOPS=130, BW=520MiB/s (546MB/s)(30.5GiB/60002msec) clat (usec): min=7446, max=8340, avg=7681.05, stdev=37.05 lat (usec): min=7446, max=8341, avg=7681.77, stdev=37.13 clat percentiles (usec): | 1.00th=[ 7504], 5.00th=[ 7635], 10.00th=[ 7701], 20.00th=[ 7701], | 30.00th=[ 7701], 40.00th=[ 7701], 50.00th=[ 7701], 60.00th=[ 7701], | 70.00th=[ 7701], 80.00th=[ 7701], 90.00th=[ 7701], 95.00th=[ 7701], | 99.00th=[ 7701], 99.50th=[ 7767], 99.90th=[ 7898], 99.95th=[ 8094], | 99.99th=[ 8356] bw ( KiB/s): min=532480, max=548864, per=100.00%, avg=533306.08, stdev=2697.01, samples=119 iops : min= 130, max= 134, avg=130.20, stdev= 0.66, samples=119 lat (msec) : 10=100.00% cpu : usr=0.12%, sys=8.06%, ctx=7844, majf=0, minf=1035 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=7805,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=32 Run status group 0 (all jobs): READ: bw=520MiB/s (546MB/s), 520MiB/s-520MiB/s (546MB/s-546MB/s), io=30.5GiB (32.7GB), run=60002-60002msec Disk stats (read/write): sda: ios=38953/0, merge=0/0, ticks=167505/0, in_queue=167505, util=99.93% # # Линейная запись # fio -direct=1 -invalidate=1 -name=test -bs=4M -iodepth=32 -rw=write -runtime=60 -filename=/dev/sda test: (g=0): rw=write, bs=(R) 4096KiB-4096KiB, (W) 4096KiB-4096KiB, (T) 4096KiB-4096KiB, ioengine=psync, iodepth=32 fio-3.27 Starting 1 process Jobs: 1 (f=1): [W(1)][100.0%][w=424MiB/s][w=106 IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=14431: Wed Feb 8 14:09:54 2023 write: IOPS=105, BW=423MiB/s (443MB/s)(24.8GiB/60008msec); 0 zone resets clat (usec): min=7915, max=49330, avg=9078.81, stdev=3351.76 lat (usec): min=8210, max=49672, avg=9456.42, stdev=3352.23 clat percentiles (usec): | 1.00th=[ 8160], 5.00th=[ 8291], 10.00th=[ 8291], 20.00th=[ 8356], | 30.00th=[ 8356], 40.00th=[ 8356], 50.00th=[ 8356], 60.00th=[ 8455], | 70.00th=[ 8717], 80.00th=[ 9765], 90.00th=[ 9896], 95.00th=[10028], | 99.00th=[10552], 99.50th=[42206], 99.90th=[42730], 99.95th=[44303], | 99.99th=[49546] bw ( KiB/s): min=344064, max=466944, per=100.00%, avg=433116.37, stdev=17694.70, samples=119 iops : min= 84, max= 114, avg=105.68, stdev= 4.36, samples=119 lat (msec) : 10=95.62%, 20=3.42%, 50=0.96% cpu : usr=4.28%, sys=2.40%, ctx=6431, 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=0,6341,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=32 Run status group 0 (all jobs): WRITE: bw=423MiB/s (443MB/s), 423MiB/s-423MiB/s (443MB/s-443MB/s), io=24.8GiB (26.6GB), run=60008-60008msec Disk stats (read/write): sda: ios=47/25264, merge=0/0, ticks=14/160979, in_queue=160993, util=99.77% # # Пиковые IOPS случайного чтения: # fio -direct=1 -invalidate=1 -name=test -bs=4k -iodepth=128 -rw=randread -runtime=60 -filename=/dev/sda test: (g=0): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=128 fio-3.27 Starting 1 process Jobs: 1 (f=1): [r(1)][100.0%][r=94.9MiB/s][r=24.3k IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=14225: Wed Feb 8 13:55:29 2023 read: IOPS=23.7k, BW=92.5MiB/s (97.0MB/s)(5551MiB/60001msec) clat (usec): min=33, max=4492, avg=40.28, stdev= 6.12 lat (usec): min=33, max=4492, avg=40.44, stdev= 6.12 clat percentiles (usec): | 1.00th=[ 35], 5.00th=[ 35], 10.00th=[ 36], 20.00th=[ 37], | 30.00th=[ 39], 40.00th=[ 40], 50.00th=[ 41], 60.00th=[ 42], | 70.00th=[ 43], 80.00th=[ 44], 90.00th=[ 45], 95.00th=[ 46], | 99.00th=[ 51], 99.50th=[ 57], 99.90th=[ 69], 99.95th=[ 80], | 99.99th=[ 113] bw ( KiB/s): min=90120, max=102768, per=100.00%, avg=94738.08, stdev=3507.65, samples=119 iops : min=22530, max=25692, avg=23684.54, stdev=876.92, samples=119 lat (usec) : 50=98.88%, 100=1.10%, 250=0.02%, 500=0.01% lat (msec) : 4=0.01%, 10=0.01% cpu : usr=6.42%, sys=14.09%, ctx=1422602, majf=0, minf=11 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=1420970,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=128 Run status group 0 (all jobs): READ: bw=92.5MiB/s (97.0MB/s), 92.5MiB/s-92.5MiB/s (97.0MB/s-97.0MB/s), io=5551MiB (5820MB), run=60001-60001msec Disk stats (read/write): sda: ios=1417309/0, merge=0/0, ticks=46986/0, in_queue=46986, util=99.81% # Задержка случайного чтения: # # fio -sync=1 -direct=1 -invalidate=1 -name=test -bs=4k -iodepth=1 -rw=randread -runtime=60 -filename=/dev/sda test: (g=0): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=1 fio-3.27 Starting 1 process Jobs: 1 (f=1): [r(1)][100.0%][r=39.9MiB/s][r=10.2k IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=14467: Wed Feb 8 14:16:04 2023 read: IOPS=7930, BW=31.0MiB/s (32.5MB/s)(1859MiB/60001msec) clat (usec): min=35, max=712, avg=123.98, stdev=35.55 lat (usec): min=35, max=713, avg=124.13, stdev=35.58 clat percentiles (usec): | 1.00th=[ 91], 5.00th=[ 93], 10.00th=[ 94], 20.00th=[ 96], | 30.00th=[ 97], 40.00th=[ 99], 50.00th=[ 101], 60.00th=[ 119], | 70.00th=[ 151], 80.00th=[ 169], 90.00th=[ 176], 95.00th=[ 180], | 99.00th=[ 212], 99.50th=[ 215], 99.90th=[ 219], 99.95th=[ 221], | 99.99th=[ 247] bw ( KiB/s): min=20376, max=40968, per=99.84%, avg=31672.40, stdev=8039.03, samples=119 iops : min= 5094, max=10242, avg=7918.10, stdev=2009.76, samples=119 lat (usec) : 50=0.28%, 100=47.37%, 250=52.34%, 500=0.01%, 750=0.01% cpu : usr=2.25%, sys=5.12%, ctx=476575, majf=0, minf=13 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=475862,0,0,0 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): READ: bw=31.0MiB/s (32.5MB/s), 31.0MiB/s-31.0MiB/s (32.5MB/s-32.5MB/s), io=1859MiB (1949MB), run=60001-60001msec Disk stats (read/write): sda: ios=474480/0, merge=0/0, ticks=52677/0, in_queue=52677, util=99.81% # # Пиковые IOPS случайной записи: # fio -direct=1 -invalidate=1 -name=test -bs=4k -iodepth=128 -rw=randwrite -runtime=60 -filename=/dev/sda test: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=128 fio-3.27 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][w=3856KiB/s][w=964 IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=14310: Wed Feb 8 14:00:07 2023 write: IOPS=2750, BW=10.7MiB/s (11.3MB/s)(645MiB/60006msec); 0 zone resets clat (usec): min=29, max=601490, avg=360.22, stdev=6086.89 lat (usec): min=29, max=601491, avg=360.58, stdev=6086.88 clat percentiles (usec): | 1.00th=[ 31], 5.00th=[ 32], 10.00th=[ 34], 20.00th=[ 35], | 30.00th=[ 36], 40.00th=[ 37], 50.00th=[ 39], 60.00th=[ 41], | 70.00th=[ 50], 80.00th=[ 80], 90.00th=[ 111], 95.00th=[ 157], | 99.00th=[ 13960], 99.50th=[ 14746], 99.90th=[ 15664], 99.95th=[ 15926], | 99.99th=[434111] bw ( KiB/s): min= 1240, max=40280, per=100.00%, avg=11420.94, stdev=4912.36, samples=115 iops : min= 310, max=10070, avg=2855.23, stdev=1228.09, samples=115 lat (usec) : 50=70.01%, 100=18.45%, 250=9.74%, 500=0.01%, 750=0.02% lat (usec) : 1000=0.01% lat (msec) : 2=0.01%, 4=0.01%, 10=0.12%, 20=1.61%, 50=0.02% lat (msec) : 100=0.01%, 500=0.01%, 750=0.01% cpu : usr=1.27%, sys=2.75%, ctx=165343, majf=0, minf=15 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=0,165043,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=128 Run status group 0 (all jobs): WRITE: bw=10.7MiB/s (11.3MB/s), 10.7MiB/s-10.7MiB/s (11.3MB/s-11.3MB/s), io=645MiB (676MB), run=60006-60006msec Disk stats (read/write): sda: ios=48/164178, merge=0/0, ticks=14/57022, in_queue=57037, util=99.84% # # Задержка записи в журнал (sync) # fio -sync=1 -direct=1 -invalidate=1 -name=test -bs=4k -iodepth=1 -rw=write -runtime=60 -filename=/dev/sda test: (g=0): rw=write, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=1 fio-3.27 Starting 1 process Jobs: 1 (f=1): [W(1)][100.0%][w=11.6MiB/s][w=2978 IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=14353: Wed Feb 8 14:02:51 2023 write: IOPS=2952, BW=11.5MiB/s (12.1MB/s)(692MiB/60001msec); 0 zone resets clat (usec): min=297, max=800800, avg=336.96, stdev=1927.77 lat (usec): min=297, max=800803, avg=337.36, stdev=1927.78 clat percentiles (usec): | 1.00th=[ 302], 5.00th=[ 306], 10.00th=[ 310], 20.00th=[ 314], | 30.00th=[ 314], 40.00th=[ 318], 50.00th=[ 318], 60.00th=[ 322], | 70.00th=[ 322], 80.00th=[ 326], 90.00th=[ 334], 95.00th=[ 379], | 99.00th=[ 453], 99.50th=[ 562], 99.90th=[ 2704], 99.95th=[ 2802], | 99.99th=[ 2999] bw ( KiB/s): min= 712, max=12736, per=100.00%, avg=11911.64, stdev=1724.20, samples=118 iops : min= 178, max= 3184, avg=2977.91, stdev=431.06, samples=118 lat (usec) : 500=99.40%, 750=0.12%, 1000=0.22% lat (msec) : 2=0.01%, 4=0.24%, 50=0.01%, 1000=0.01% cpu : usr=0.82%, sys=3.61%, ctx=708218, majf=0, minf=16 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=0,177134,0,0 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=11.5MiB/s (12.1MB/s), 11.5MiB/s-11.5MiB/s (12.1MB/s-12.1MB/s), io=692MiB (726MB), run=60001-60001msec Disk stats (read/write): sda: ios=47/353644, merge=0/0, ticks=14/57147, in_queue=108049, util=99.90% # # Задержка записи в журнал fsync # fio -fsync=1 -direct=1 -invalidate=1 -name=test -bs=4k -iodepth=1 -rw=write -runtime=60 -filename=/dev/sda test: (g=0): rw=write, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=1 fio-3.27 Starting 1 process Jobs: 1 (f=1): [W(1)][100.0%][w=12.6MiB/s][w=3238 IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=14377: Wed Feb 8 14:04:46 2023 write: IOPS=3019, BW=11.8MiB/s (12.4MB/s)(708MiB/60001msec); 0 zone resets clat (usec): min=33, max=968, avg=50.23, stdev=18.63 lat (usec): min=33, max=969, avg=50.59, stdev=18.64 clat percentiles (usec): | 1.00th=[ 36], 5.00th=[ 37], 10.00th=[ 38], 20.00th=[ 40], | 30.00th=[ 41], 40.00th=[ 42], 50.00th=[ 43], 60.00th=[ 44], | 70.00th=[ 46], 80.00th=[ 63], 90.00th=[ 90], 95.00th=[ 92], | 99.00th=[ 103], 99.50th=[ 121], 99.90th=[ 163], 99.95th=[ 167], | 99.99th=[ 194] bw ( KiB/s): min= 9392, max=13216, per=100.00%, avg=12079.73, stdev=1117.66, samples=119 iops : min= 2348, max= 3304, avg=3019.93, stdev=279.41, samples=119 lat (usec) : 50=77.32%, 100=21.55%, 250=1.13%, 500=0.01%, 750=0.01% lat (usec) : 1000=0.01% fsync/fdatasync/sync_file_range: sync (usec): min=249, max=34554, avg=278.07, stdev=279.50 sync percentiles (usec): | 1.00th=[ 253], 5.00th=[ 255], 10.00th=[ 258], 20.00th=[ 262], | 30.00th=[ 265], 40.00th=[ 265], 50.00th=[ 265], 60.00th=[ 269], | 70.00th=[ 269], 80.00th=[ 285], 90.00th=[ 318], 95.00th=[ 326], | 99.00th=[ 367], 99.50th=[ 416], 99.90th=[ 783], 99.95th=[ 824], | 99.99th=[ 1123] cpu : usr=1.46%, sys=4.11%, ctx=543314, majf=0, minf=13 IO depths : 1=200.0%, 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=0,181191,0,181191 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=11.8MiB/s (12.4MB/s), 11.8MiB/s-11.8MiB/s (12.4MB/s-12.4MB/s), io=708MiB (742MB), run=60001-60001msec Disk stats (read/write): sda: ios=47/361721, merge=0/0, ticks=15/55078, in_queue=103056, util=99.90% # # Задержка случайной записи: # fio -sync=1 -direct=1 -invalidate=1 -name=test -bs=4k -iodepth=1 -rw=randwrite -runtime=60 -filename=/dev/sda test: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=1 fio-3.27 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][w=2710KiB/s][w=677 IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=14398: Wed Feb 8 14:07:03 2023 write: IOPS=1034, BW=4137KiB/s (4236kB/s)(242MiB/60001msec); 0 zone resets clat (usec): min=299, max=1001.3k, avg=963.84, stdev=15770.49 lat (usec): min=299, max=1001.3k, avg=964.16, stdev=15770.49 clat percentiles (usec): | 1.00th=[ 359], 5.00th=[ 594], 10.00th=[ 594], 20.00th=[ 611], | 30.00th=[ 668], 40.00th=[ 701], 50.00th=[ 709], 60.00th=[ 734], | 70.00th=[ 734], 80.00th=[ 742], 90.00th=[ 758], 95.00th=[ 799], | 99.00th=[ 848], 99.50th=[ 873], 99.90th=[ 971], 99.95th=[ 1037], | 99.99th=[926942] bw ( KiB/s): min= 184, max= 7584, per=100.00%, avg=4762.41, stdev=1673.05, samples=103 iops : min= 46, max= 1896, avg=1190.60, stdev=418.26, samples=103 lat (usec) : 500=2.14%, 750=86.26%, 1000=11.54% lat (msec) : 2=0.03%, 50=0.01%, 1000=0.03%, 2000=0.01% cpu : usr=0.43%, sys=1.66%, ctx=248161, majf=0, minf=13 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=0,62058,0,0 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=4137KiB/s (4236kB/s), 4137KiB/s-4137KiB/s (4236kB/s-4236kB/s), io=242MiB (254MB), run=60001-60001msec Disk stats (read/write): sda: ios=47/123646, merge=0/0, ticks=13/57212, in_queue=111143, util=99.82%