Глючит диск SSD. Упала скорость на запись.
Форум — Linux-hardware
Здравствуйте.
САБЖ
Кабель менял, всё перетыкал. Комп работает, примерно, 2 года.
Что может быть? Смарт диска:
root@fserver:/storage1# smartctl -a /dev/sdb
smartctl 7.3 2022-02-28 r5338 [x86_64-linux-6.1.0-28-amd64] (local build)
Copyright (C) 2002-22, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Device Model: Netac SSD 1TB
Serial Number: AA202303201T23001796
Firmware Version: W0222A0
User Capacity: 1,000,204,886,016 bytes [1.00 TB]
Sector Size: 512 bytes logical/physical
Rotation Rate: Solid State Device
Form Factor: 2.5 inches
TRIM Command: Available
Device is: Not in smartctl database 7.3/5625
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 Jan 8 14:14:39 2025 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: ( 41) The self-test routine was interrupted
by the host with a hard or soft reset.
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 - 13465
12 Power_Cycle_Count 0x0032 100 100 050 Old_age Always - 184
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 - 6
164 Unknown_Attribute 0x0032 100 100 050 Old_age Always - 221122
165 Unknown_Attribute 0x0032 100 100 050 Old_age Always - 453
166 Unknown_Attribute 0x0032 100 100 050 Old_age Always - 157
167 Unknown_Attribute 0x0032 100 100 050 Old_age Always - 443
168 Unknown_Attribute 0x0032 100 100 050 Old_age Always - 5050
169 Unknown_Attribute 0x0032 100 100 050 Old_age Always - 92
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 - 135
194 Temperature_Celsius 0x0022 100 100 050 Old_age Always - 37
195 Hardware_ECC_Recovered 0x0032 100 100 050 Old_age Always - 313709
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 - 5027391
242 Total_LBAs_Read 0x0030 100 100 050 Old_age Offline - 611123
245 Unknown_Attribute 0x0032 100 100 050 Old_age Always - 6359106
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 Extended offline Interrupted (host reset) 90% 13450 -
# 2 Extended offline Completed without error 00% 13343 -
# 3 Extended offline Completed without error 00% 12437 -
Selective Self-tests/Logging not supported
Тест скорости. Скорость упала.
root@fserver:/storage3# ./disk_speed.sh
+++++++++++Write to Disk
990904320 bytes (991 MB, 945 MiB) copied, 14 s, 70.8 MB/s
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 14.2501 s, 75.4 MB/s
-----------Read from Disk
809500672 bytes (810 MB, 772 MiB) copied, 2 s, 404 MB/s
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 2.64063 s, 407 MB/s
Через рандомное время прогоняю тест, скорость норм.
root@fserver:/storage3# ./disk_speed.sh
+++++++++++Write to Disk
752877568 bytes (753 MB, 718 MiB) copied, 2 s, 376 MB/s
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 2.88054 s, 373 MB/s
-----------Read from Disk
1059061760 bytes (1.1 GB, 1010 MiB) copied, 2 s, 529 MB/s
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 2.02863 s, 529 MB/s
root@fserver:/storage3#
Как проверяю скорость.
#!/bin/bash
tmpfile=/storage3/disk-test-tempfile
BYTES=1M
COUNT=1024
echo 3 > /proc/sys/vm/drop_caches
measure_write_speed() {
echo "Write to Disk"
sync
dd if=/dev/zero of=$tmpfile bs=$BYTES count=$COUNT oflag=direct status=progress
sync
}
measure_read_speed() {
echo 3 > /proc/sys/vm/drop_caches
echo "Read from Disk"
dd if=$tmpfile of=/dev/null bs=$BYTES count=$COUNT iflag=direct status=progress
}
measure_write_speed
measure_read_speed
rm -f $tmpfile