El comando que me funciona en 2019 es:
smartctl -a disk0 | grep -i hours
La instalación Homebrew es probablemente la más fácil y aquí hay algunos detalles sobre la instalación y el uso de la herramienta.
smartmontools es un paquete de código abierto que proporciona la mayoría de los valores que le interesan.
Si utiliza Homebrew Instálalo con:
brew install smartmontools
(En la instalación estándar de Homebrew, los comandos se instalan en /usr/local/bin .)
Si no, descárguelo de https://www.smartmontools.org/wiki/Download y compilarlo como siempre:
$ cd smartmontools-6.0
$ ./configure
$ make
$ sudo make install
(Salvo que se especifique lo contrario como opción a ./configure , smartmontools comandos instalan a /usr/local/sbin Así pues, actualice el $PATH variable si es necesario).
La herramienta que nos interesa se llama smartctl .
Activa primero el S.M.A.R.T:
$ smartctl /dev/disk0 -s on
Entonces, ejecútalo:
$ smartctl /dev/disk0 -x
Este es un extracto del resultado, que proporciona una gran cantidad de información. Los valores de Power_On_Hours y Power_Cycle_Count que aparecen a continuación coinciden (una vez convertidos de decimal a hexadecimal) con los que informa la Utilidad de Discos.
smartctl 6.0 2012-10-10 r3643 [x86_64-apple-darwin12.2.0] (local build)
Copyright (C) 2002-12, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Family: JMicron based SSDs
Device Model: APPLE SSD TS128C
Serial Number: 37AR11AGLTMZ
Firmware Version: CJAA0201
User Capacity: 121,332,826,112 bytes [121 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 (minor revision not indicated)
SATA Version is: SATA 2.6, 3.0 Gb/s (current: 3.0 Gb/s)
(...)
SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAGS VALUE WORST THRESH FAIL RAW_VALUE
1 Raw_Read_Error_Rate -O-R-- 099 099 000 - 0
2 Throughput_Performance P-S--- 100 100 050 - 0
5 Reallocated_Sector_Ct PO--C- 100 100 050 - 0
9 Power_On_Hours -O--C- 100 100 000 - 3237
12 Power_Cycle_Count -O--C- 100 100 000 - 1485
168 SATA_Phy_Error_Count -O--C- 100 100 000 - 0
170 Bad_Block_Count PO--C- 100 100 010 - 8 252 82
173 Erase_Count PO--C- 196 196 100 - 1 136 64
175 Bad_Cluster_Table_Count PO--C- 100 100 010 - 0
192 Unexpect_Power_Loss_Ct -O--C- 100 100 000 - 14
194 Temperature_Celsius PO---K 072 053 030 - 28 (Min/Max 14/47)
197 Current_Pending_Sector -O--C- 100 100 000 - 0
199 UDMA_CRC_Error_Count -O--C- 100 100 000 - 0
||||||_ K auto-keep
|||||__ C event count
||||___ R error rate
|||____ S speed/performance
||_____ O updated online
|______ P prefailure warning
ATA_READ_LOG_EXT (addr=0x00:0x00, page=0, n=1) failed: 48-bit ATA commands not supported
Read GP Log Directory failed
SMART Log Directory Version 1 [multi-sector log support]
SMART Log at address 0x00 has 1 sectors [Log Directory]
SMART Log at address 0x01 has 1 sectors [Summary SMART error log]
SMART Log at address 0x02 has 51 sectors [Comprehensive SMART error log]
SMART Log at address 0x06 has 1 sectors [SMART self-test log]
SMART Log at address 0x09 has 1 sectors [Selective self-test log]
SMART Log at address 0x80 has 16 sectors [Host vendor specific log]
(...)
SMART Log at address 0x9f has 16 sectors [Host vendor specific log]
SMART Log at address 0xe0 has 1 sectors [SCT Command/Status]
SMART Log at address 0xe1 has 1 sectors [SCT Data Transfer]
SMART Extended Comprehensive Error Log (GP Log 0x03) not supported
SMART Error Log Version: 1
No Errors Logged
SMART Extended Self-test Log (GP Log 0x07) not supported
SMART Self-test log structure revision number 1
Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
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.
SCT Status Version: 3
SCT Version (vendor specific): 1 (0x0001)
SCT Support Level: 0
Device State: Active (0)
Current Temperature: 28 Celsius
Power Cycle Min/Max Temperature: 22/30 Celsius
Lifetime Min/Max Temperature: 14/47 Celsius
Under/Over Temperature Limit Count: 0/0
SCT Temperature History Version: 2
Temperature Sampling Period: 1 minute
Temperature Logging Interval: 1 minute
Min/Max recommended Temperature: 5/40 Celsius
Min/Max Temperature Limit: 0/70 Celsius
Temperature History Size (Index): 128 (77)
Index Estimated Time Temperature Celsius
78 2012-11-29 19:48 25 ******
... ..( 7 skipped). .. ******
86 2012-11-29 19:56 25 ******
87 2012-11-29 19:57 26 *******
... ..( 19 skipped). .. *******
107 2012-11-29 20:17 26 *******
108 2012-11-29 20:18 27 ********
... ..( 16 skipped). .. ********
125 2012-11-29 20:35 27 ********
126 2012-11-29 20:36 28 *********
... ..( 7 skipped). .. *********
6 2012-11-29 20:44 28 *********
7 2012-11-29 20:45 29 **********
8 2012-11-29 20:46 29 **********
9 2012-11-29 20:47 28 *********
... ..( 67 skipped). .. *********
77 2012-11-29 21:55 28 *********
SMART WRITE LOG does not return COUNT and LBA_LOW register
SCT (Get) Error Recovery Control command failed
Device Statistics (GP Log 0x04) not supported
ATA_READ_LOG_EXT (addr=0x11:0x00, page=0, n=1) failed: 48-bit ATA commands not supported
Read SATA Phy Event Counters failed
Para terminar, desactiva el S.M.A.R.T:
$ smartctl /dev/disk0 -s off
