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Hej. Mam dwa używane dyski SSD i dylemat, na którym postawić sobie desktopa z Debianem
#1 smartctl --all /dev/sda
smartctl 7.1 2019-12-30 r5022 [x86_64-linux-5.8.0-43-generic] (local build) Copyright (C) 2002-19, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Model Family: SandForce Driven SSDs Device Model: ADATA SSD SP900 256GB-DL2 Serial Number: xxxxx LU WWN Device Id: 0 000000 000000000 Firmware Version: 5.0.7a 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: ATA8-ACS, ACS-2 T13/2015-D revision 3 SATA Version is: SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s) Local Time is: Mon Aug 2 18:34:36 2021 CEST 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: (0x7b) SMART execute Offline immediate. Auto Offline data collection on/off support. Suspend Offline collection upon new command. Offline surface scan supported. Self-test supported. Conveyance Self-test supported. 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: ( 1) minutes. Extended self-test routine recommended polling time: ( 48) minutes. Conveyance self-test routine recommended polling time: ( 2) minutes. SCT capabilities: (0x0021) SCT Status supported. SCT Data Table supported. SMART Attributes Data Structure revision number: 10 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x000f 109 109 050 Pre-fail Always - 0/25488554 5 Retired_Block_Count 0x0033 100 100 003 Pre-fail Always - 0 9 Power_On_Hours_and_Msec 0x0032 089 089 000 Old_age Always - 10463h+51m+06.670s 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 634 171 Program_Fail_Count 0x0032 000 000 000 Old_age Always - 0 172 Erase_Fail_Count 0x0032 000 000 000 Old_age Always - 0 174 Unexpect_Power_Loss_Ct 0x0030 000 000 000 Old_age Offline - 92 177 Wear_Range_Delta 0x0000 000 000 000 Old_age Offline - 3 181 Program_Fail_Count 0x0032 000 000 000 Old_age Always - 0 182 Erase_Fail_Count 0x0032 000 000 000 Old_age Always - 0 187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0 194 Temperature_Celsius 0x0022 030 059 000 Old_age Always - 30 (Min/Max 18/59) 195 ECC_Uncorr_Error_Count 0x001c 120 120 000 Old_age Offline - 0/25488554 196 Reallocated_Event_Count 0x0033 100 100 003 Pre-fail Always - 0 201 Unc_Soft_Read_Err_Rate 0x001c 120 120 000 Old_age Offline - 0/25488554 204 Soft_ECC_Correct_Rate 0x001c 120 120 000 Old_age Offline - 0/25488554 230 Life_Curve_Status 0x0013 100 100 000 Pre-fail Always - 100 231 SSD_Life_Left 0x0013 100 100 010 Pre-fail Always - 0 233 SandForce_Internal 0x0000 000 000 000 Old_age Offline - 6916 234 SandForce_Internal 0x0032 000 000 000 Old_age Always - 4290 241 Lifetime_Writes_GiB 0x0032 000 000 000 Old_age Always - 4290 242 Lifetime_Reads_GiB 0x0032 000 000 000 Old_age Always - 4022 SMART Error Log not supported SMART Self-test Log not supported SMART Selective self-test log data structure revision number 1 SPAN MIN_LBA MAX_LBA CURRENT_TEST_STATUS 1 0 0 Not_testing 2 0 0 Not_testing 3 0 0 Not_testing 4 0 0 Not_testing 5 0 0 Not_testing Selective self-test flags (0x0): After scanning selected spans, do NOT read-scan remainder of disk. If Selective self-test is pending on power-up, resume after 0 minute delay.
#1 hdparm -tT /dev/sda
/dev/sda: Timing cached reads: 10022 MB in 1.99 seconds = 5027.35 MB/sec Timing buffered disk reads: 1514 MB in 3.00 seconds = 503.94 MB/sec
#2 smartctl --all /dev/sda
smartctl 7.1 2019-12-30 r5022 [x86_64-linux-5.8.0-63-generic] (local build) Copyright (C) 2002-19, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Model Family: SanDisk based SSDs Device Model: SanDisk SDSSDP128G Serial Number: xxxxxx LU WWN Device Id: 5 0xxx Firmware Version: 3.2.0 User Capacity: 126 035 288 064 bytes [126 GB] Sector Size: 512 bytes logical/physical Rotation Rate: Solid State Device Form Factor: 1.8 inches Device is: In smartctl database [for details use: -P show] ATA Version is: ACS-2 T13/2015-D revision 3 SATA Version is: SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s) Local Time is: Mon Aug 2 18:35:35 2021 CEST 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: ( 120) seconds. Offline data collection capabilities: (0x51) 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. 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: ( 21) minutes. 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 5 Reallocated_Sector_Ct 0x0002 100 100 000 Old_age Always - 0 9 Power_On_Hours 0x0002 100 100 000 Old_age Always - 52699 12 Power_Cycle_Count 0x0002 100 100 000 Old_age Always - 181 165 Total_Write/Erase_Count 0x0002 100 100 000 Old_age Always - 5574504 171 Program_Fail_Count 0x0002 100 100 000 Old_age Always - 0 172 Erase_Fail_Count 0x0002 100 100 000 Old_age Always - 0 173 Avg_Write/Erase_Count 0x0002 100 100 000 Old_age Always - 1428 174 Unexpect_Power_Loss_Ct 0x0002 100 100 000 Old_age Always - 120 187 Reported_Uncorrect 0x0002 100 100 000 Old_age Always - 0 194 Temperature_Celsius 0x0022 064 036 000 Old_age Always - 36 (Min/Max 10/45) 230 Perc_Write/Erase_Count 0x0002 100 100 000 Old_age Always - 4760 232 Perc_Avail_Resrvd_Space 0x0003 100 100 005 Pre-fail Always - 0 234 Perc_Write/Erase_Ct_BC 0x0002 100 100 000 Old_age Always - 5607 241 Total_LBAs_Written 0x0002 100 100 000 Old_age Always - 81762961169 242 Total_LBAs_Read 0x0002 100 100 000 Old_age Always - 32965131716 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] SMART Selective self-test log data structure revision number 1 SPAN MIN_LBA MAX_LBA CURRENT_TEST_STATUS 1 0 0 Not_testing 2 0 0 Not_testing 3 0 0 Not_testing 4 0 0 Not_testing 5 0 0 Not_testing Selective self-test flags (0x0): After scanning selected spans, do NOT read-scan remainder of disk. If Selective self-test is pending on power-up, resume after 0 minute delay.
#2 hdparm -tT /dev/sda
/dev/sda: Timing cached reads: 18094 MB in 1.99 seconds = 9081.04 MB/sec Timing buffered disk reads: 1478 MB in 3.00 seconds = 492.21 MB/sec
Ciężko mi jest je porównać w skali pojemność/szybkość/żywotność. Który wy byście wybrali?
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