21.7 ¶ÔÏóÃüÃû

¡¡¡¡ÈçÇ°ÃæËùÃèÊöµÄÄÇÑù£¬ Vinum »á¸ø plex ºÍ×ÓÅÌÖ¸¶¨Ä¬ÈϵÄÃû×Ö£¬ ¶øÕâЩÃû×ÖÒ²ÊÇ¿ÉÒÔ¶¨ÖƵġ£ ²»ÍƼöÐÞ¸ÄĬÈϵÄÃû×Ö£º ʹÓÃÔÊÐí¸ø¶ÔÏóÈÎÒâÃüÃûµÄ VERITAS ¾í¹ÜÀíÆ÷µÄ¾­ÑéÖ¤Ã÷£¬ ÕâÒ»Áé»îÐÔ²¢Ã»ÓдøÀ´Ì«¶àµÄºÃ´¦£¬ Ïà·´£¬ ËüºÜÈÝÒ×µ¼Ö¶ÔÏóµÄ»ìÏý¡£

¡¡¡¡Ãû×ÖÖпÉÒÔ°üÀ¨Èκηǿհ׵Ä×Ö·û£¬ µ«Ò»°ãÀ´Ëµ£¬ ½¨ÒéֻʹÓÃ×Öĸ¡¢ Êý×ÖºÍÏ»®Ïß¡£ ¾í¡¢ plex£¬ ÒÔ¼°×ÓÅ̵ÄÃû×Ö£¬ ¿ÉÒÔ°üº¬×î¶à 64 ¸ö×Ö·û£¬ ¶øÇý¶¯Æ÷µÄÃû×Ö£¬ Ôò×¿ÉÒÔʹÓà 32 ¸ö×Ö·û¡£

¡¡¡¡Vinum ¶ÔÏó»áÔÚ /dev/gvinum Ö®ÏÂÉú³ÉÉ豸½Úµã¡£ ǰÊöµÄÅäÖý«Ê¹ Vinum ´´½¨ÒÔÏÂÉ豸½Úµã£º

¡¡¡¡ÀýÈ磬 ¿¼ÂÇÏÂÃæµÄÅäÖÃÎļþ£º

	drive drive1 device /dev/sd1h
	drive drive2 device /dev/sd2h
	drive drive3 device /dev/sd3h
	drive drive4 device /dev/sd4h
    volume s64 setupstate
      plex org striped 64k
        sd length 100m drive drive1
        sd length 100m drive drive2
        sd length 100m drive drive3
        sd length 100m drive drive4

¡¡¡¡´¦ÀíÕâ¸öÎļþÖ®ºó£¬ gvinum(8) ½«ÔÚ /dev/gvinum Öн¨Á¢ÏÂÃæµÄ½á¹¹£º

	drwxr-xr-x  2 root  wheel       512 Apr 13 16:46 plex
	crwxr-xr--  1 root  wheel   91,   2 Apr 13 16:46 s64
	drwxr-xr-x  2 root  wheel       512 Apr 13 16:46 sd

    /dev/vinum/plex:
    total 0
    crwxr-xr--  1 root  wheel   25, 0x10000002 Apr 13 16:46 s64.p0
    
    /dev/vinum/sd:
    total 0
    crwxr-xr--  1 root  wheel   91, 0x20000002 Apr 13 16:46 s64.p0.s0
    crwxr-xr--  1 root  wheel   91, 0x20100002 Apr 13 16:46 s64.p0.s1
    crwxr-xr--  1 root  wheel   91, 0x20200002 Apr 13 16:46 s64.p0.s2
    crwxr-xr--  1 root  wheel   91, 0x20300002 Apr 13 16:46 s64.p0.s3

¡¡¡¡ËäÈ» plex ºÍ×ÓÅÌÒ»°ã²¢²»ÍƼöÖ¸¶¨Ãû×Ö£¬ µ«»¹ÊDZØÐë¸ø Vinum Çý¶¯Æ÷ÃüÃû¡£ ÕâÑù£¬ µ±°ÑÇý¶¯Æ÷×ªÒÆµ½²»Í¬µÄµØ·½Ê±£¬ ËüÈÔÈ»Äܹ»±»×Ô¶¯µØÊ¶±ð³öÀ´¡£ Çý¶¯Æ÷Ãû×¿ÉÒÔ°üº¬ 32 ¸ö×Ö·û¡£

21.7.1 ´´½¨Îļþϵͳ

¡¡¡¡¶ÔÓÚϵͳ¶øÑÔ£¬ ¾íºÍ´ÅÅÌÊÇÒ»ÑùµÄ¡£ ΨһµÄÀýÍâÊÇ£¬ Óë UNIX® Çý¶¯Æ÷²»Í¬£¬ Vinum ²¢²»¶Ô¾í½øÐзÖÇø£¬ Òò¶øËüÒ²¾Í²»°üº¬·ÖÇø±í¡£ ÕâÒªÇóÐÞ¸ÄijЩ´ÅÅ̹¤¾ß£¬ ÌØ±ðÊÇ newfs(8)£¬ Ëü»áÊÔͼ½« Vinum ¾íÃûµ±×÷·ÖÇø±êʶ¡£ ÀýÈ磬 ´ÅÅÌÇý¶¯Æ÷µÄÃû×Ö¿ÉÄÜÊÇ /dev/ad0a »ò /dev/da2h¡£ ÕâЩÃû×Ö·Ö±ð±í´ïÔÚµÚÒ»¸ö (0) IDE (ad) ´ÅÅÌÉϵĵÚÒ»¸ö·ÖÇø (a)£¬ ÒÔ¼°µÚÈý¸ö (2) SCSI ´ÅÅÌ (da) Éϵĵڰ˸ö·ÖÇø (h)¡£ ¶øÏà±È¶øÑÔ£¬ Vinum ¾í¿ÉÄܽÐ×ö /dev/gvinum/concat£¬ Õâ¸öÃû×ֺͷÖÇøÃûûÓÐʲô¹ØÏµ¡£

¡¡¡¡ÒªÔÚÕâ¸ö¾íÉÏ´´½¨Îļþϵͳ£¬ ÔòÐèҪʹÓà newfs(8)£º

# newfs /dev/gvinum/concat

±¾ÎĵµºÍÆäËüÎĵµ¿É´ÓÕâÀïÏÂÔØ£ºftp://ftp.FreeBSD.org/pub/FreeBSD/doc/.

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¹ØÓÚ±¾ÎĵµµÄÎÊÌâÇë·¢ÐÅÁªÏµ <doc@FreeBSD.org>.