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ssd ubuntu

By: a guest on Mar 1st, 2014  |  syntax: None  |  size: 3.51 KB  |  views: 95  |  expires: Never
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  1. /dev/sda:
  2.  Timing cached reads:   1548 MB in  2.00 seconds = 773.60 MB/sec
  3.  Timing buffered disk reads: 742 MB in  3.00 seconds = 247.25 MB/sec
  4. nico@NicoLx:~$ sudo hdparm -Tt /dev/sda
  5.  
  6.  
  7.  
  8.  
  9.  
  10. /dev/sda:
  11.  
  12. ATA device, with non-removable media
  13.     Model Number:       INTEL SSDSA2BW160G3                    
  14.     Firmware Revision:  4PC10362
  15.     Transport:          Serial, ATA8-AST, SATA 1.0a, SATA II Extensions, SATA Rev 2.5, SATA Rev 2.6
  16. Standards:
  17.     Used: unknown (minor revision code 0x0029)
  18.     Supported: 8 7 6 5
  19.     Likely used: 8
  20. Configuration:
  21.     Logical        max    current
  22.     cylinders    16383    16383
  23.     heads        16    16
  24.     sectors/track    63    63
  25.     --
  26.     CHS current addressable sectors:   16514064
  27.     LBA    user addressable sectors:  268435455
  28.     LBA48  user addressable sectors:  312581808
  29.     Logical  Sector size:                   512 bytes
  30.     Physical Sector size:                   512 bytes
  31.     device size with M = 1024*1024:      152627 MBytes
  32.     device size with M = 1000*1000:      160041 MBytes (160 GB)
  33.     cache/buffer size  = unknown
  34.     Nominal Media Rotation Rate: Solid State Device
  35. Capabilities:
  36.     LBA, IORDY(can be disabled)
  37.     Queue depth: 32
  38.     Standby timer values: spec'd by Standard, no device specific minimum
  39.     R/W multiple sector transfer: Max = 16    Current = 1
  40.     DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6
  41.          Cycle time: min=120ns recommended=120ns
  42.     PIO: pio0 pio1 pio2 pio3 pio4
  43.          Cycle time: no flow control=120ns  IORDY flow control=120ns
  44. Commands/features:
  45.     Enabled    Supported:
  46.        *    SMART feature set
  47.             Security Mode feature set
  48.        *    Power Management feature set
  49.        *    Write cache
  50.        *    Look-ahead
  51.        *    Host Protected Area feature set
  52.        *    WRITE_BUFFER command
  53.        *    READ_BUFFER command
  54.        *    NOP cmd
  55.        *    DOWNLOAD_MICROCODE
  56.             SET_MAX security extension
  57.        *    48-bit Address feature set
  58.        *    Device Configuration Overlay feature set
  59.        *    Mandatory FLUSH_CACHE
  60.        *    FLUSH_CACHE_EXT
  61.        *    SMART error logging
  62.        *    SMART self-test
  63.        *    General Purpose Logging feature set
  64.        *    WRITE_{DMA|MULTIPLE}_FUA_EXT
  65.        *    64-bit World wide name
  66.        *    IDLE_IMMEDIATE with UNLOAD
  67.        *    WRITE_UNCORRECTABLE_EXT command
  68.        *    {READ,WRITE}_DMA_EXT_GPL commands
  69.        *    Segmented DOWNLOAD_MICROCODE
  70.        *    Gen1 signaling speed (1.5Gb/s)
  71.        *    Gen2 signaling speed (3.0Gb/s)
  72.        *    Native Command Queueing (NCQ)
  73.        *    Phy event counters
  74.             Device-initiated interface power management
  75.        *    Software settings preservation
  76.        *    SMART Command Transport (SCT) feature set
  77.        *    SCT Write Same (AC2)
  78.        *    SCT Error Recovery Control (AC3)
  79.        *    SCT Features Control (AC4)
  80.        *    SCT Data Tables (AC5)
  81.        *    Data Set Management TRIM supported (limit 8 blocks)
  82.        *    Deterministic read ZEROs after TRIM
  83. Security:
  84.     Master password revision code = 65534
  85.         supported
  86.     not    enabled
  87.     not    locked
  88.         frozen
  89.     not    expired: security count
  90.         supported: enhanced erase
  91.     2min for SECURITY ERASE UNIT. 2min for ENHANCED SECURITY ERASE UNIT.
  92. Checksum: correct
  93.  
  94.  
  95.  
  96.  
  97. root@NicoLx:/home/nico# dd if=/dev/zero of=/tmp/output bs=8k count=1000k
  98. 1024000+0 records in
  99. 1024000+0 records out
  100. 8388608000 bytes (8.4 GB) copied, 49.0277 s, 171 MB/s
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