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2.1.2 Logical Disk Device Names
Logical Disk Device NamesÀº System Administrator³ª User°¡ Disk³ª File System¿¡
°ü°èµÈ ¸í·ÉÀ» ÀÌ¿ëÇÒ ¶§ »ç¿ëµÈ´Ù.
Bus-Oriented Controllers
Sun systemÀº Bus Oriented Controller(SCSI¿Í IPI)¿¡ ¿¬°áµÈ Disk DeviceÀÇ Logical
Device NameÀ» ±â¼úÇÒ ¶§ ¾Æ·¡ÀÇ ÇüÅ·Π»ç¿ëÇÑ´Ù. Logical Device Name Àº /dev directory¿¡
ÀÖÀ¸¸ç, /devices directoryÀÇ ÇØ´ç Physical Device Name¿¡ Symbolic LinkµÇ¾î ÀÖ´Ù.
Controller Number
Controller ¶Ç´Â Interface number´Â °¢°¢ÀÇ Interface card¿¡ ¼øÂ÷ÀûÀ¸·Î ÀÚµ¿ ÇÒ´çµÇ¾î c0,
c1, ¶Ç´Â c3µîÀ¸·Î ³ªÅ¸³½´Ù. System ³»ÀÇ SCSI Interface °¡ ³»ÀåµÇ¾î ÀÖÀ¸¸é, OS°¡ ÇØ´ç card dp
0À» ÇÒ´ç ÇÏ¿© ³»Àå SCSI card¿¡ ¿¬°áµÈ ¸ðµç disk device°¡ c0·Î ½ÃÀ۵Ǵ device address¸¦ °®´Â´Ù.
Controller Number c1Àº µÎ ¹ø° SCSI host adapter ¶Ç´Â esp1À» ³ªÅ¸³½´Ù.
Target Address
t0, t1, t3 °°Àº target address´Â ¼±ÅÃµÈ °¢ deviceÀÇ switch setting °ú ÀÏÄ¡ÇÑ´Ù. ¿ÜÀåÇü
disk drive´Â real panel¿¡ ÀÖ´Â address¸¦ ÀǹÌÇÑ´Ù. ³»Àå disk drive´Â »çÀü¿¡ 3À¸·Î ÁöÁ¤µÈ jumper
setÀ» °®°í ÀÖÀ¸¸ç µÎ ¹ø° ³»Àå disk drive´Â ÀϹÝÀûÀ¸·Î 1·Î setµÇ¾î ÀÖ´Ù.
Disk Number
Disk Number´Â SCSI Device³ª IPI ¾î¶²°æ¿ì¿¡µµ d0·Î set µÇ¾îÀÖ´Ù.
Slice(Partition) Number
Slice Number´Â 0~7±îÁöÀ̸ç Àüü Disk´Â Slice 2¹øÀ¸·Î ³ªÅ¸³´Ù. Disk Device ´Â Logical
Device Name¿¡ ÀÇÇØ AccessµÇ¸ç ±× À̸§¿¡´Â Slice Number°¡ Æ÷ÇԵǾî¾ß ÇÑ´Ù. Controller/Disk/Target¸¸À¸·Î´Â
Disk¸¦ AccessÇÒ ¼ö ¾ø´Ù. /dev/dsk directory¿¡´Â SystemÀÇ Device¿Í PartitionµéÀÇ Logical
Device NameµéÀÌ ÀÖ´Ù.
Direct Controllers
Xylogics 451 ¶Ç´Â 7053°°Àº direct(¶Ç´Â non-bus oriented)controller¿¡ ¿¬°áµÈ disk´Â
logical device name¿¡ .arget number°¡ µé¾îÀÖÁö ¾Ê´Ù.
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