3.5 ºÏºÐ²Õ´

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FreeBSD ¤]·|®³ºÏºÐªÅ¶¡¨Ó·í swap space¡C Swap space µ¹ FreeBSD ·í§@µêÀÀ°O¾ÐÅé¥Î¡C ³oÅý±zªº¹q¸£¦n¹³¾Ö¦³¤ñ¹ê»Ú§ó¦hªº°O¾ÐÅé¡C ·í FreeBSD ªº°O¾ÐÅé¥Î§¹ªº®É­Ô¡A¥¦·|§â¤@¨Ç¥Ø«e¨S¥Î¨ìªº¸ê®Æ²¾¨ì swap space¡AµM«á¦b¥Î¨ìªº®É­Ô²¾¦^¥h (¦P®É²¾¥X³¡¥÷¨S¥Î¨ìªº)¡C

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¤À³Î°Ï ºD¨Ò
a ³q±`¥]§t®ÚÀɮרt²Î (root file system)
b ³q±`¬O swap space
c ³q±`©M¾ã­Ó slice ªº¤j¤p¤@¼Ë¡Aµ¹¤@¨Ç·|¥Î¨ì¾ã­Ó slice ªº¤u¨ãµ{¦¡ (¨Ò¦pµwºÐÃa­yÀˬd¤u¨ã) ¨Ó¨Ï¥Î¡C ¤@¯ë¨Ó»¡±zÀ³¸Ó¤£·|§âÀɮרt²Î«Ø¥ß¦b³o­Ó¤À³Î°Ï¡C
d ¤À³Î°Ï d ´¿¸g¦³¥Nªí¯S®í·N¸q¡A¦ý¬O¤w¸g¤£¦A¨Ï¥Î¡C ©Ò¥H²{¦b d ´N©M¨ä¥L¤@¯ëªº¤À³Î°Ï¬Û¦P¤F¡C

¨C­Ó¥]§t¦³Àɮרt²Îªº¤À³Î°Ï¬O¦s¦b©Ò¿×ªº slice ¸Ì­±¡C FreeBSD ªº slice ´N¬O«ü¥­±`§Ú­ÌºÙ¬°¤À³Î°Ï (partition) ªºªF¦è¡C ¦P¼Ë¦a¡A·|³o¼Ë¤lºÙ©I¤]¬O¦]¬° FreeBSD ªº UNIX ¦â±m¡C ¦Ó slice ¬O¦³½s¸¹ªº¡A±q 1 ¸¹½s¨ì 4 ¸¹¡C

slice ¸¹½X¸ò¦b¸Ë¸m¦WºÙ«á­±¡A¥ý±µ¤@­Ó¦r¥À s¡AµM«á±q 1 ¸¹¶}©l½s¤U¥h¡C ¦]¦¹ ¡§da0s1¡¨ ´N¬O«ü²Ä¤@­Ó SCSI µwºÐªº²Ä¤@­Ó slice¡C ¤@­ÓºÏºÐ¤W¥u¯à¦³¥|­Ó¹êÅ骺 slice¡A¦ý¬O¦b¹êÅ骺 slice ¤¤±z¥i¥H¶ë¶i¾A·íÃþ«¬ªºÅÞ¿è slice¡C ³o¨Ç©µ¦ùªº slice ½s¸¹±q 5 ¶}©l¡A©Ò¥H ¡§ad0s5¡¨ ¬O²Ä¤@­Ó IDE µwºÐ¤Wªº²Ä¤@­Ó©µ¦ù slice¡C Àɮרt²Î¦b¸Ë¸m (device) ¸Ì´N¬O¦b¤@­Ó slice ¤§¤¤¡C

Slices¡B¡§dangerously dedicated¡¨ ¼Ò¦¡ªº¹êÅéºÏºÐ¾÷¡A¥H¤Î¨ä¥L¥]§t¤À³Î°Ï(partition) ªººÏºÐ³£¬O¥H¦r¥À a ¨ì h ªº½s¸¹¨Óªí¥Ü¡C ½s¸¹¬O±µ¦b¸Ë¸m¦WºÙªº«á­±ªº¡A¦]¦¹ ¡§da0a¡¨ ¬OºÏºÐ¾÷ da ¤Wªº²Ä¤@­Ó ¡§dangerously dedicated¡¨¼Ò¦¡¤§¤À³Î°Ï¡C ¦Ó ¡§ad1s3e¡¨ «h¬O²Ä¤GÁû IDE µwºÐ¤W²Ä¤T­Ó slice ªº²Ä¤­­Ó¤À³Î°Ï¡C

³Ì«á¡A§Ú­Ì´N¥i¥H§â¨t²Î¤Wªº¨C­ÓºÏºÐ³£°Ï¤À¥X¨Ó¤F¡C ¤@­ÓºÏºÐªº¦WºÙ·|¦³¤@­Ó¥N½X¨Óªí¥Ü³o­ÓºÏºÐªºÃþ«¬¡A±µµÛ¬O¤@­Ó¼Æ¦r¡A ªí¥Ü³o¬O­þ¤@­ÓºÏºÐ¡C ³oÃä¸ò slice ¨C­ÓºÏºÐ½s¸¹±q 0 ¶}©l¤£¤@¼Ë¡C ±`¨£ªº¥N½X¥i¥H°Ñ¦Ò Table 3-1¡C

·í­n°Ñ·Ó¤@­Ó¤À³Î°Ïªº®É­Ô¡AFreeBSD ·|­n±z¤@¨Ö¿é¤J¥]§t³o­Ó¤À³Î°Ïªº slice ¤ÎºÏºÐ¾÷¦WºÙ¡F·í­n°Ñ·Ó¤@­Ó slice ªº®É­Ô¡A¤]¥²¶·¿é¤J¥]§t³o­Ó slice ªººÏºÐ¦WºÙ¡C «ç»ò°µ©O¡H­º¥ý¥ý¦C¥XºÏºÐ¦WºÙ¡AµM«á s ¥[¤W slice ½s¸¹¡A³Ì«á¦A¿é¤J¤À³Î°Ï¦r¥À¥N¸¹¡C ½d¨Ò¥i¥H°Ñ¦Ò Example 3-1.

Example 3-2 ¥Ü½d¤F¤@­Ó°ò¥»ªººÏºÐ¤À¥¬¼Ò¦¡¡A¬Û«H¹ï±z¦³¨ÇÀ°§U¡C

­n¦w¸Ë FreeBSD¡A±z¥²¶·¥ý«Ø¸mºÏºÐªº slice¡A±µµÛ©ó slice ¤¤«Ø¥ß­nµ¹ FreeBSD ¥Îªº¤À³Î°Ï¡C ³Ì«á¦b³o¨Ç¤À³Î°Ï¤¤«Ø¥ßÀɮרt²Î (©Î swap space) ¨Ã¨M©w­n±N³o¨ÇÀɮרt²Î±¾¸ü©ó­þ¸Ì¡C

Table 3-1. ºÏºÐ¾÷¥N¸¹

¥N¸¹ ·N¸q
ad ATAPI(IDE) ºÏºÐ¾÷
da SCSI ª½±µ¦s¨úºÏºÐ¾÷
acd ATAPI(IDE) ¥úºÐ¾÷
cd SCSI ¥úºÐ¾÷
fd ³nºÐ¾÷

Example 3-1. ºÏºÐ¡Bslice ¤Î¤À³Î°Ï©R¦W½d¨Ò

¦WºÙ ·N¸q
ad0s1a ²Ä¤@­Ó IDE µwºÐ (ad0) ¤W²Ä¤@­Ó slice (s1)ªº²Ä¤@­Ó¤À³Î°Ï(a) ¡C
da1s2e ²Ä¤G­Ó SCSI µwºÐ (da1) ¤W²Ä¤G­Ó slice (s2) ªº²Ä¤­­Ó¤À³Î°Ï (e) ¡C

Example 3-2. ºÏºÐªº·§©À¼Ò«¬

¦¹¹ÏÅã¥Ü FreeBSD ¤¤±µ¨ì¨t²Îªº²Ä¤@­Ó IDE ºÏºÐ¾÷¤º³¡°t¸m¹Ï¡C °²³]³o­ÓºÏºÐªº®e¶q¬O 4 GB¡A¨Ã¥B¥]§t¤F¨â­Ó 2 GB ªº slice (MS-DOS ªº¤À³Î°Ï)¡C ²Ä¤@­Ó slice ¬O DOS ªº C: ºÏºÐ¾÷¡A²Ä¤G­Ó«h¦w¸Ë¤F FreeBSD¡C ¥»½d¨Òªº FreeBSD ¦³¤T­Ó¤À³Î°Ï¥H¤Î¤@­Ó swap ¤À³Î°Ï¡C

³o¤T­Ó¤À³Î°Ï¨C­Ó³£¬O¤@­ÓÀɮרt²Î¡C a ¤À³Î¬O®Ú (root) Àɮרt²Î¡F¤À³Î e ¬O /var¡F¦Ó f ¤À³Î¬O /usr ¥Ø¿ýµ²ºc¡C

¥»¤å¤Î¨ä¥L¤å¥ó¡A¥i¥Ñ¦¹¤U¸ü¡Gftp://ftp.FreeBSD.org/pub/FreeBSD/doc/¡C

­Y¦³ FreeBSD ¤è­±ºÃ°Ý¡A½Ð¥ý¾\Ū FreeBSD ¬ÛÃö¤å¥ó¡A¦p¤£¯à¸Ñ¨Mªº¸Ü¡A¦A¬¢¸ß <questions@FreeBSD.org>¡C
Ãö©ó¥»¤å¥óªº°ÝÃD¡A½Ð¬¢¸ß <doc@FreeBSD.org>¡C