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# ls -la /dev/ASM* brw-rw---- 1 grid dba 251, 1 May 28 21:42 /dev/ASMDAT1 brw-rw---- 1 grid dba 251, 17 May 28 21:42 /dev/ASMDAT2 brw-rw---- 1 grid dba 251, 33 May 28 21:42 /dev/ASMLOG1 brw-rw---- 1 grid dba 251, 49 May 28 21:42 /dev/ASMLOG2 ×¢Ò⣺Èôδ´´½¨³É¹¦£¬ÔòÖ´ÐÐrebootʹÆäÉúЧ¡£
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2£©¶Ô¸÷¸ö¹²Ïí´ÅÅ̽øÐзÖÇø£¨½öÔÚµ¥¸ö½ÚµãÖ´Ðм´¿É£©£¬²ÎÕÕsuse·ÖÇø·½·¨ 3£©Ê¹ÓÃcat /proc/partitions²é¿´RAC¸÷½ÚµãµÄÐÂÔö´ÅÅ̼°·ÖÇøÊÇ·ñÔÚ·ÖÇø±íÅäÖÃÎļþÖУ¬Èç¹û²»´æÔÚ£¬Ê¹ÓÃ/usr/sbin/partprobe¸üзÖÇø±í£º # cat /proc/partitions 250 112 104857600 sddlmah 250 113 104857600 sddlmah1 # /usr/sbin/partprobe 4£©»ñÈ¡ÐèÒªÓ³ÉäΪASM DiskµÄ´ÅÅÌSCSI_ID£¬²¢½«ÐÂÔö´ÅÅÌÌí¼ÓÖÁudev rulesÎļþ£º
a) »ñÈ¡´ÅÅÌSCSI_ID£¨½öµ¥½ÚµãÖ´Ðм´¿É£©
# /lib/udev/scsi_id --whitelisted --replace-whitespace --device=/dev/sddlmah1 360060e801047222004f2c5d2000003fc b) ±à¼udev rules£¨½öµ¥½ÚµãÖ´Ðм´¿É£¬ÆäËü½Úµã¿ÉÖ±½Ó¿½±´£©
# vi /etc/udev/rules.d/99-oracle-asmdevices.rules KERNEL==\SUBSYSTEM==\PROGRAM==\--whitelisted --replace-whitespace --device=/dev/$name\RESULT==\NAME=\½Å±¾Éú³Éudev rulesµÄÄÚÈÝ£¬²¢½«ÆäÌí¼ÓÖÁudevÎļþ¡£
vi udevcontent.sh #!/bin/ksh for i in h do echo \SUBSYSTEM==\\\PROGRAM==\\\--whitelisted --replace-whitespace --device=/dev/\\$name\\\RESULT==\\\--whitelisted --replace-whitespace --device=/dev/sddlma$i`\\\NAME=\\\OWNER=\\\11
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done Ö´Ðнá¹ûʾÀýÈçÏ£º
# sh udevcontent.sh KERNEL==\SUBSYSTEM==\PROGRAM==\--whitelisted --replace-whitespace --device=/dev/$name\RESULT==\NAME=\c) ½«½Úµã1µÄudev rulesÎļþÖ±½Ó¿½±´ÖÁÆäËü½Úµã£¨Èç½Úµã2£©¡£
ÓÃudevadm½øÐвâÊÔ£¬udevadmÃüÁî²»½ÓÊÜ/dev/sddlmaa1»ò/dev/sda1ÕâÑùµÄ¹ÒÔØÉ豸Ãû£¬±ØÐëÊÇʹÓÃ/sys/block/sddlmaa/sddlmaa1»ò/sys/block/sda/sda1ÕâÑùµÄÔʼÉ豸Ãû¡£»òÕߣ¬Èç¹û´ÅÅ̽϶࣬Ҳ¿ÉÒÔÖ±½ÓʹÓÃ/usr/sbin/partprobeÉú³ÉÉ豸±ðÃû¡£
# udevadm test /sys/block/sddlmah/sddlmah1 »ò£º
# /usr/sbin/partprobe ÆäÖУ¬Èç¹ûudevadmÊä³ö½á¹ûÖеÄDEVNAMEÖ¸ÏòÉ豸±ðÃû£¬ÈçDEVNAME=/dev/ASMDATn£¬Ôò±íʾudevÓ³Éä³É¹¦£»ÈôÈÔÖ¸ÏòÔÉ豸Ãû£¬Ôò±íʾudevÓ³Éäʧ°Ü¡£
udevadm_test: UDEV_LOG=6 udevadm_test: DEVPATH=/devices/up_primary/up_adapter/host4/target4:0:0/4:0:0:4/block/sdn/sdn1 udevadm_test: MAJOR=8 udevadm_test: MINOR=209 udevadm_test: DEVNAME=/dev/ASMDATn udevadm_test: DEVTYPE=partition udevadm_test: ACTION=add udevadm_test: SUBSYSTEM=block 5£©ÖØÆôudev·þÎñ£¬Ê¹ÆäÉúЧ£¬ÑéÖ¤É豸±ðÃû´´½¨³É¹¦¡£ # /etc/init.d/boot.udev restart 6£©ÑéÖ¤É豸±ðÃû´´½¨³É¹¦¡£ # ls -la /dev/ASM* brw-rw---- 1 grid dba 251, 1 May 28 21:42 /dev/ASMDAT1 brw-rw---- 1 grid dba 251, 17 May 28 21:42 /dev/ASMDAT2 brw-rw---- 1 grid dba 251, 33 May 28 21:42 /dev/ASMLOG1 brw-rw---- 1 grid dba 251, 49 May 28 21:42 /dev/ASMLOG2 12
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5.1 ±£ÁôÊý¾ÝµÄ»ØÊÕÎļþϵͳ
1£©umountÎļþϵͳ # umount /oracleser/app11203 2£©Ð¶ÔØVG²¢µ¼³ö #vgchange ¨Can /dev/dbmsvg #exportvg /dev/dbmsvg 3£©É¾³ýmapping¹ØÏµ 4£©É¾³ýscsiÉ豸
# dlmcfgmgr ¨Co /dev/sddlmN # echo \# dlmcfgmgr ¨Ci /dev/sddlmN 5£©Ë¢ÐÂHDLMÉ豸£¬¼ì²éLUN״̬£¬²¢ # dlmcfgmgr ¨Cv # dlmcfgmgr ¨Cu /dev/sddlmN # dlmcfgmgr ¨Cr # dlmcfgmgr -v 5.2 ²»±£ÁôÊý¾ÝµÄ»ØÊÕLUN
1£©umountÎļþϵͳ # umount /oracleser/app11203 2£©deactive vg
#vgchange ¨Can /dev/dbmsvg 3£©É¾³ýlv # lvremove /dev/testvg/testlv 4£©É¾³ývg # vgremove /dev/testvg 5£©É¾³ýpv # pvremove /dev/sddlmma 6£©É¾³ýmapping¹ØÏµ 7£©É¾³ýscsiÉ豸 # dlmcfgmgr ¨Co /dev/sddlmN # echo \remove-single-device a b c d\> /proc/scsi/scsi #a b c d¿Éͨ¹ýdlmcfgmgr -vÃüÁîµÃµ½ 13
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# dlmcfgmgr ¨Ci /dev/sddlmN 8£©Ë¢ÐÂHDLMÉ豸£¬¼ì²éLUN״̬£¬²¢ # dlmcfgmgr ¨Cv # dlmcfgmgr ¨Cu /dev/sddlmN # dlmcfgmgr ¨Cr # dlmcfgmgr -v 5.3 ASM»·¾³ÖлØÊÕ´æ´¢
1£©½«ÐèҪɾ³ýµÄLUNËù¶ÔÓ¦µÄASMÅÌ´ÓoracleÊý¾Ý¿âDGÖÐɾ³ý¡£ 2£©ÔÚ½Úµã1ÉÏÐÞ¸ÄudevÅäÖÃÎļþ£¬±à¼99-oracle-asmdevices.rules£¬½«¶ÔÓ¦µÄLUN´ÓÎļþÖÐɾ³ý£¬Èç¸ÃÊý¾Ý¿âΪRAC£¬ÔòÐèÒªÔÚ½Úµã2ÉÏÏàÓ¦ÐÞ¸ÄudevÅäÖÃÎļþ¡£
3£©ÖØÆôudev·þÎñʹ֮ÉúЧ£º # /etc/init.d/boot.udev restart 4£©ÑéÖ¤ASM´ÅÅÌÒÑ´ÓϵͳÉÏÌÞ³ö # ls -l /dev/ASM* 5£©½«Í˳öµÄLUNɾ³ý·ÖÇø
# fdisk /dev/sddlmac
Command (m for help): p
Disk /dev/sddlmac: 2147 MB, 2147483648 bytes
48 heads, 4 sectors/track, 21845 cylinders, total 4194304 sectors Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x599ea4f2
Device Boot Start End Blocks Id System
/dev/sddlmac1 2048 4194303 2096128 8e Linux LVM
Command (m for help): d Selected partition 1
Command (m for help): Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table. Syncing disks.
14
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# umount /test #vgchange ¨Can /dev/testvg #vgexport /dev/testvg 2£©´Ó´ÅÅÌ»úÉÏÕÒµ½Ô·þÎñÆ÷ËùÔÚhostgroup£¬É¾³ýÔWWN£¬Ìí¼ÓзþÎñÆ÷¶ÔÓ¦µÄWWN£¬²¢´Ó·þÎñÆ÷ÉϽ«LUNɾ³ý£¬×¢ÊÍ/etc/fstabÎļþËùÔÚÍâÖÃÎļþϵͳµÄÐС£
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3£©Ð·þÎñÆ÷ÉÏʶ±ðLUN£¬²¢É¨Ãè´ÅÅÌÅÌÍ·ÐÅÏ¢£¬×Ô¶¯Ê¶±ðvolume groupÐÅÏ¢ # vgscan 4£©¼¤»îvolume groupºó£¬ÐÞ¸Ä/etc/fstab£¬¸ÃÎļþËù¶ÔÓ¦µÄÍâÖÃÎļþϵͳÄÚÈÝÓ¦ÓëÔ·þÎñÆ÷Ò»Ö #vgchange ¨Cay /dev/testvg #mount -a Æß. ASMÅÌÈ«Á¿Ç¨ÒÆ£¨·Ç´ÅÅ̸´ÖÆ£©
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