FreeBSD USB3 の履歴(No.1)

• 履歴一覧
• 差分 を表示
• 現在との差分 を表示
• ソース を表示
• FreeBSD USB3 へ行く。
  • 1 (2019-03-14 (木) 14:57:25)

CONTENTS

Lastmodified　2019-03-14 (木) 17:37:54

FreeBSD USB3†

http://syuu1228.hatenablog.com/entry/20130118/1358530482

# diskinfo -t /dev/da0
/dev/da0
       512             # sectorsize
       8001563222016   # mediasize in bytes (7.3T)
       15628053168     # mediasize in sectors
       4096            # stripesize
       0               # stripeoffset
       972801          # Cylinders according to firmware.
       255             # Heads according to firmware.
       63              # Sectors according to firmware.
       ST8000DM 004-2CX188     # Disk descr.
       123456789012    # Disk ident.
       No              # TRIM/UNMAP support
       Unknown         # Rotation rate in RPM
       Not_Zoned       # Zone Mode

Seek times:
       Full stroke:      250 iter in  10.032943 sec =   40.132 msec
       Half stroke:      250 iter in   6.557837 sec =   26.231 msec
       Quarter stroke:   500 iter in  13.152999 sec =   26.306 msec
       Short forward:    400 iter in   6.658062 sec =   16.645 msec
       Short backward:   400 iter in   8.758633 sec =   21.897 msec
       Seq outer:       2048 iter in   7.605741 sec =    3.714 msec
       Seq inner:       2048 iter in   7.135366 sec =    3.484 msec

Transfer rates:
       outside:       102400 kbytes in   9.197605 sec =    11133 kbytes/sec
       middle:        102400 kbytes in   9.361286 sec =    10939 kbytes/sec
       inside:        102400 kbytes in   7.490672 sec =    13670 kbytes/sec

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