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×¢Ò⣺¼ì²é¾µÏñºóµÄPVµÄhd5ÊÇ·ñÓÉÁ¬ÐøµÄPP×é³É¡£

ÖÆ×÷Óëɾ³ýrootvg¾µÏñʱÏÈÖ´ÐÐÈçÏÂÃüÁî½øÐÐϵͳ¼ì²é£º # lspv # lsvg -l rootvg # lsvg rootvg # lsvg -p rootvg # lslv -m lv_name # lsvg -M rootvg

ÖÆ×÷rootvgµÄ±ê×¼²½Ö裺 1¡¢extendvg 2¡¢chvg -Qn 3¡¢mirrorvg -s 4¡¢syncvg -v 5¡¢bosboot -a 6¡¢bootlist 7¡¢shutdown -Fr 8¡¢bootinfo -b

1¡¢½«Ò»¸öPV¼ÓÈëµ½rootvgÖУ¬ÀýÈ磺hdisk1¡£ # extendvg rootvg hdisk1

2¡¢Èç¹ûʹÓÃÒ»¸öPV×ö¾µÏñ£¬ÄÇôQUORUMÊDz»ÐèÒªµÄ£¬Çë¹Ø±ÕËü¡£

# chvg -Qn rootvg

´ËÇé¿ö³ÆÖ®Îªµ¥¾µÏñ£¨single mirroring£©£¬Ò»°ãµ¥¾µÏñµÄ¾í×é¶¼ÐèÒª½«QUORUM¹Ø±Õ£¬·ñÔò¾í×éÖÐÓµÓÐ2·ÝVGDAµÄ´ÅÅ̲»¿ÉÓÃʱ£¬ÊÜQUORUMÖÆÔ¼£¬Õû¸ö¾í×éÎÞ·¨¼¤»î£¬´Ó¶øÊ§È¥¾µÏñÒâÒå¡£

¶ÔÓÚrootvg¾µÏñ¸ü¼ÓÐèÒª¹Ø±ÕQUORUM£¬·ñÔòÒ»µ©°üº¬2·ÝVGDAµÄ´ÅÅ̲»¿ÉÓÃʱ£¬ÏµÍ³ÔÚÒýµ¼¹ý³ÌÖн«²»Äܼ¤»îrootvg£¬´Ó¶øÒýÆðÆô¶¯Ê§°Ü¡£

¸ÃÃüÁî¿ÉÔÚϵͳÕý³£ÔËÐÐÊ±ËæÊ±²¹³äÖ´ÐУ¬µ«ÐèÒªÖØÐÂÆô¶¯²ÅÄÜÉúЧ¡£

Èç¹ûʼÖÕûÓÐÖ´Ðйý£¬µ±ÏµÍ³Æô¶¯Ê§°Üʱ£¬¿ÉÒÔʹÓÿÉÒýµ¼½éÖʽøÈëά»¤Ä£Ê½£¬¼¤»îrootvg£¬»ñµÃshellʱÔÙÖ´ÐдËÃüÁȻºóÕý³£Æô¶¯¼´¿É¡£

3¡¢½¨Á¢rootvgËùÓÐLVµÄ¾µÏñ£¬Äã¿ÉÒÔʹÓÃmklvcopyÒ»¸öÒ»¸öÈ¥½¨Á¢£¬µ±È»¸ü¼Ó¼òµ¥µÄ·½·¨ÊÇʹÓþí×é¾µÏñÃüÁî¡£ # mirrorvg -s rootvg -s

Disable Sync ²»½øÐÐÈκÎÀàÐ͵ľµÏñͬ²½¾ÍÁ¢¼´·µ»Ø mirrorvg ÃüÁî¡£Èç¹ûʹÓÃÁËÕâ¸ö Ñ¡Ï¾µÏñÒ²Ðí´æÔÚÓÚÒ»¸öÂß¼­¾í£¬µ«ÊÇÖ±µ½ÓÉ syncvg ÃüÁî½øÐÐͬ²½£¬²Ù×÷ϵͳ²Åʹ ÓÃËü¡£ »òÕß

# mklvcopy hd1 2 hdisk1 # mklvcopy hd2 2 hdisk1 # mklvcopy hd3 2 hdisk1 # mklvcopy hd4 2 hdisk1 # mklvcopy hd5 2 hdisk1 # mklvcopy hd6 2 hdisk1 # mklvcopy hd8 2 hdisk1 # mklvcopy hd9var 2 hdisk1 # mklvcopy hd10opt 2 hdisk1

ºǫ́ͬ²½¾í×é¾µÏñ£º # mirrorvg -S -c 3 vgname

4¡¢½Ó×ÅÐèÒª½øÐоµÏñ¼äµÄÊý¾Ýͬ²½£º # syncvg ¨Cv rootvg

-v Ö¸¶¨Name ²ÎÊý±íʾ¾í×éÉ豸Ãû¡£

5¡¢ÎªÁËʹrootvgÖеÄÈÎÒ»PV¶¼Äܹ»Íê³ÉϵͳÆô¶¯ÈÎÎñ£¬ÐèÒªÖ´ÐÐbosboot£º # bosboot -a

bosboot: Boot image is 25166 512 byte blocks. -a ´´½¨ÍêÕûµÄÒýµ¼Ó³ÏñºÍÉ豸¡£

ÒòΪhd5ÒѾ­×öÁ˾µÏñ£¬Òò´ËÔÚÖ´ÐиÃÃüÁîʱÎÞÐèʹÓÃ-dÑ¡ÏîÖ¸¶¨´ÅÅÌ£¬³ý·Çµ±ÔÚÆäËûÇé¿ö£¬ÈçÇ¨ÒÆhd5ÖÁÆäËû´ÅÅÌʱ¡£

×¢Ò⣺Èç¹ûbosbootÃüÁîûÓгɹ¦´´½¨Òýµ¼ÅÌ£¬²»ÒªÖØÆô£¬ºÜ¿ÉÄܵ¼ÖÂϵͳÎÞ·¨Æô¶¯¡£bosbootÒªÇóһЩ/tmpºÍÄ¿±ê±£´æµÄÎļþϵͳÖеĿռ䡣 »ò

# bosboot -ad hdisk0

bosboot: Boot image is 25166 512 byte blocks. # bosboot -ad hdisk1

bosboot: Boot image is 25166 512 byte blocks.

6¡¢¸üÐÂÒýµ¼É豸˳Ðò£¬ÊµÏÖµ¥»úbosÈÝ´í£º # bootlist -m normal -o hdisk0 blv=hd5

# bootlist -m normal hdisk1 hdisk0 # bootlist -m normal -o hdisk1 blv=hd5 hdisk0 blv=hd5

´ËÀý±íʾÔÚÕý³£Çé¿öÏ£¬ÏµÍ³´Óhdisk1½øÐÐÒýµ¼£¬µ±hdisk1²»¿ÉÓÃʱ½«´Óhdisk0½øÐÐÒýµ¼£¬ÒÔÌṩµ¥»úÈÝ´í¡£

7¡¢Èç¹ûÇ°Ãæ²½ÖèÖ´ÐÐÁËQUORUM¹Ø±ÕµÄ²Ù×÷£¬±ØÐëÖØÐÂÆô¶¯ÏµÍ³Ö®ºóQUORUM²Å»áÉúЧ£º

# shutdown -Fr

8¡¢Òýµ¼¹ý³Ì¼ì²é£¬È·ÈÏÎÞÎó£º # bootinfo -b hdisk1

×¢Ò⣺ÕâÑùÁгöÀ´£¬¿ÉÒÔÇåÎúµÄÖªµÀ×ö¾µÏñµÄ¹ý³Ì¡£Èç¹ûÏë¼ò»¯µÄ¿ÉÒÔͨ¹ý£º # mirrorvg -c 2 rootvg »ò # smitty mirrorvg -c Copies

Ö¸¶¨ÔÚ mirrorvg ÃüÁîÖ´ÐÐÍê³Éºóÿ¸öÂß¼­¾í±ØÐëÓеÄ×îС¸±±¾Êý¡£Í¨¹ý¶ÀÁ¢ ʹÓà mklvcopy£¬Ä³Ð©Âß¼­¾íÔÚÖ´ÐÐÍê mirrorvg ÃüÁîºóÒ²Ðí»áÓг¬¹ýÖ¸¶¨Êý Ä¿µÄ¸±±¾¡£×îСֵÊÇ 2£¬×î´óÖµÊÇ 3¡£ºöÂÔ 1 Öµ¡£

ÕâÑù»á×Ô¶¯¹Ø±ÕÖٲᢲ¢ÇÒ×Ô¶¯Í¬²½µÄÁË¡£

ÁíÍâ²¹³äһϣºbosboot»¹ÓиüÐÂboot strap code£¨Ò²¾ÍÊÇÓ²ÅÌÉϵÚ0µÀµÄboot record£©µÄ×÷Óá£Èç¹ûbosboot -a±¨ÕÒ²»µ½BLV£¬ÄǾÍдȫÃüÁ# bosboot -ad /dev/hdisk# -l hd5 ×ܽ᣺

1¡¢ÔÚsingle mirroringÖÐ1¸öPVµÄÒâ˼£¬¼´ÓÉ2¸öPV×é³ÉÒ»¸öVG£¬µ«ÆäÖÐ1¸öPVÊÇÓÃ×÷¾µÏñµÄ¡£

2¡¢QUORUM close²¢·Ç¼òµ¥µÄ¹Ø±ÕµÄÀí½â£¬¶øÊDzÉÓÃÈçÏ»úÖÆ£¬ÀýÈçÔÚ1¸ö°üº¬2¸öPV£¨hdisk0£¬hdisk1£¬¼ÙÉèhdisk0°üº¬2·ÝVGDG£¬hdisk1°üº¬1·ÝVGDA£©µÄVGÖУ¬²éѯ¸ÃVGÐÅÏ¢£¨lsvg£©£¬¿ÉÒÔ·¢ÏÖVG DESCRIPTORSΪ3£¬QUORUMΪ2£¬¸ÃÒâ˼ΪÕâ¸öVG°üº¬3·ÝVGDA£¬VGµÄÕý³£×´Ì¬Ó¦ÎªÖÁÉÙ¼ì²âµ½2·ÝVGDA£¨2/3Ô¼µÈÓÚ66%>50%£©·½¿ÉÕý³£¹¤×÷£¬·ñÔò¸ÃVGÎÞ·¨¼¤»î£¨³ý·ÇʹÓÃ-fÑ¡Ïµ«±ØÐëÇå³þºó¹û£¬·ñÔòÇëСÐÄʹÓã©»òµ¼ÖÂVG²»ÄÜ·ÃÎÊ¡£µ±Ê¹ÓÃÁ˵ڶþ²½²Ù×÷Ö®ºó£¬Çë´ó¼ÒÔٴι۲ìVGµÄÐÅÏ¢£¬»á·¢ÏÖVG DESCRIPTORSΪ3£¬QUORUM±ä³ÉΪ1£¬¸ÃÒâ˼±íʾΪÕâ¸öVG°üº¬3·ÝVGDA£¬VGµÄÕý³£×´Ì¬Ó¦ÎªÖ»Ðè¼ì²âµ½1·Ý£¨1/3Ô¼µÈÓÚ33%<50%£©¾Í¿ÉÕý³£¹¤×÷£¬Õâ¾ÍÊÇºÜ¶àµØ·½½²µ½µÄQUORUM closeµÄÕæÊµ±íÏÖ£¬Êµ¼ÊÉÏQUORUMÒÀÈ»ÓÐЧ£¬Ö»ÊǼì²âÖµ±»½µµÍµ½ÁË×îµÍµÄÖµ£¬¼´ÎÞÂÛ¸ÃVGÈçºÎ£¬Ö»ÒªÓÐ1¸öPV״̬Õý³££¬¸ÃVG¾ÍÄܹ»±»¼¤»î¡£µ«´ËÏÄÜÒª

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