Установил Yosemite, думал, что включил TRIM, но 5 месяцев спустя, замечаю, что система начала подтормаживать и TRIM на самом деле выключен.
Сейчас включил его, но тормоза ещё остались.
Они пройдут через некоторое время или нужно что-то делать, чтобы производительность вернулась?
SSD SanDisk Ultra Plus 256GB
Узнал smart статистику, только не совсем понимаю, что означают все эти цифры.
=== START OF INFORMATION SECTION ===
Model Family: Marvell based SanDisk SSDs
Device Model: SanDisk SDSSDHP256G
Serial Number: 140719401297
LU WWN Device Id: 5 001b44 bcf1ca745
Firmware Version: X2316RL
User Capacity: 256,060,514,304 bytes [256 GB]
Sector Size: 512 bytes logical/physical
Rotation Rate: Solid State Device
Form Factor: Unknown (0x000a)
Device is: In smartctl database [for details use: -P show]
ATA Version is: ATA8-ACS T13/1699-D revision 6
SATA Version is: SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is: Fri Jan 16 11:49:58 2015 YEKT
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: (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: (0x0003) Saves 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.
SMART Attributes Data Structure revision number: 4
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
5 Reallocated_Sector_Ct 0x0032 100 100 --- Old_age Always - 0
9 Power_On_Hours 0x0032 253 100 --- Old_age Always - 3380
12 Power_Cycle_Count 0x0032 100 100 --- Old_age Always - 436
166 Min_W/E_Cycle 0x0032 100 100 --- Old_age Always - 1
167 Min_Bad_Block/Die 0x0032 100 100 --- Old_age Always - 26
168 Maximum_Erase_Cycle 0x0032 100 100 --- Old_age Always - 135
169 Total_Bad_Block 0x0032 100 100 --- Old_age Always - 447
171 Program_Fail_Count 0x0032 100 100 --- Old_age Always - 0
172 Erase_Fail_Count 0x0032 100 100 --- Old_age Always - 0
173 Avg_Write_Erase_Ct 0x0032 100 100 --- Old_age Always - 36
174 Unexpect_Power_Loss_Ct 0x0032 100 100 --- Old_age Always - 23
187 Reported_Uncorrect 0x0032 100 100 --- Old_age Always - 0
194 Temperature_Celsius 0x0022 061 056 --- Old_age Always - 39 (Min/Max 25/56)
212 SATA_PHY_Error 0x0032 100 100 --- Old_age Always - 0
230 Perc_Write_Erase_Count 0x0032 100 100 --- Old_age Always - 276
232 Perc_Avail_Resrvd_Space 0x0033 100 100 004 Pre-fail Always - 100
233 Total_NAND_Writes_GiB 0x0032 100 100 --- Old_age Always - 9547
241 Total_Writes_GiB 0x0030 253 253 --- Old_age Offline - 4024
242 Total_Reads_GiB 0x0030 253 253 --- Old_age Offline - 3798
243 Unknown_Attribute 0x0032 100 100 --- Old_age Always - 0
SMART Error Log Version: 1
No Errors Logged
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
Простой
