Kod: Zaznacz cały
UUID=dbd53b39-d7f9-4eb8-907f-081fbecfc935 / ext4 discard,errors=remount-ro 0 1
Kod: Zaznacz cały
root@debian:~# hdparm -iI /dev/sdb
/dev/sdb:
Model=APPLE SSD SM0256F, FwRev=UXM8JA1Q, SerialNo=S1FUNYAF205601
Config={ Fixed }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=0
BuffType=unknown, BuffSize=unknown, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=490234752
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=no WriteCache=enabled
Drive conforms to: unknown: ATA/ATAPI-2,3,4,5,6,7
* signifies the current active mode
ATA device, with non-removable media
Model Number: APPLE SSD SM0256F
Serial Number: S1FUNYAF205601
Firmware Revision: UXM8JA1Q
Transport: Serial, ATA8-AST, SATA 1.0a, SATA II Extensions, SATA Rev 2.5, SATA Rev 2.6, SATA Rev 3.0
Standards:
Used: unknown (minor revision code 0x0039)
Supported: 8 7 6 5
Likely used: 8
Configuration:
Logical max current
cylinders 16383 16383
heads 16 16
sectors/track 63 63
--
CHS current addressable sectors: 16514064
LBA user addressable sectors: 268435455
LBA48 user addressable sectors: 490234752
Logical Sector size: 512 bytes
Physical Sector size: 4096 bytes
Logical Sector-0 offset: 0 bytes
device size with M = 1024*1024: 239372 MBytes
device size with M = 1000*1000: 251000 MBytes (251 GB)
cache/buffer size = unknown
Nominal Media Rotation Rate: Solid State Device
Capabilities:
LBA, IORDY(can be disabled)
Queue depth: 32
Standby timer values: spec'd by Standard, no device specific minimum
R/W multiple sector transfer: Max = 16 Current = 16
Recommended acoustic management value: 128, current value: 0
DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6
Cycle time: min=120ns recommended=120ns
PIO: pio0 pio1 pio2 pio3 pio4
Cycle time: no flow control=120ns IORDY flow control=120ns
Commands/features:
Enabled Supported:
* SMART feature set
Security Mode feature set
* Power Management feature set
* Write cache
* Look-ahead
* Host Protected Area feature set
* WRITE_BUFFER command
* READ_BUFFER command
* NOP cmd
* DOWNLOAD_MICROCODE
* SET_MAX security extension
Automatic Acoustic Management feature set
* 48-bit Address feature set
* Device Configuration Overlay feature set
* Mandatory FLUSH_CACHE
* FLUSH_CACHE_EXT
* SMART error logging
* SMART self-test
* General Purpose Logging feature set
* WRITE_{DMA|MULTIPLE}_FUA_EXT
* 64-bit World wide name
* {READ,WRITE}_DMA_EXT_GPL commands
* Segmented DOWNLOAD_MICROCODE
* Gen1 signaling speed (1.5Gb/s)
* Gen2 signaling speed (3.0Gb/s)
* Gen3 signaling speed (6.0Gb/s)
* Native Command Queueing (NCQ)
* Phy event counters
* DMA Setup Auto-Activate optimization
* Software settings preservation
* SET MAX SETPASSWORD/UNLOCK DMA commands
* WRITE BUFFER DMA command
* READ BUFFER DMA command
* Data Set Management TRIM supported (limit 8 blocks)
Security:
Master password revision code = 65534
supported
not enabled
not locked
frozen
not expired: security count
supported: enhanced erase
6min for SECURITY ERASE UNIT. 32min for ENHANCED SECURITY ERASE UNIT.
Logical Unit WWN Device Identifier: 5002538655584d30
NAA : 5
IEEE OUI : 002538
Unique ID : 655584d30
Integrity word not set (found 0xeb3f, expected 0x100a5)
Przy okazji na jakiejś stronce wyczytałem, że niedziałanie TRIM ma wpływ na wydajność. Sprawdziłem i nie zauważyłem żadnych problemów (jest nawet szybciej niż pod OSX):
Kod: Zaznacz cały
root@debian:~# hdparm -tT /dev/sdb
/dev/sdb:
Timing cached reads: 25238 MB in 1.99 seconds = 12653.49 MB/sec
Timing buffered disk reads: 3226 MB in 3.00 seconds = 1075.10 MB/sec