UDEV替代ASMLIB
1.確認在所有RAC節點上已經安裝了必要的UDEV包
[root@rh2 ~]# rpm -qa|grep udev
udev-095-14.21.el5
2.透過scsi_id獲取裝置的塊裝置的唯一標識名，假設系統上已有LUN sdc-sdp
for i in c d e f g h i j k l m n o p ;
do
echo "sd$i" "`scsi_id -g -u -s /block/sd$i` ";
done
sdc 1IET_00010001
sdd 1IET_00010002
sde 1IET_00010003
sdf 1IET_00010004
sdg 1IET_00010005
sdh 1IET_00010006
sdi 1IET_00010007
sdj 1IET_00010008
sdk 1IET_00010009
sdl 1IET_0001000a
sdm 1IET_0001000b
sdn 1IET_0001000c
sdo 1IET_0001000d
sdp 1IET_0001000e
以上列出於塊裝置名對應的唯一標識名
3.建立必要的UDEV配置檔案，
首先切換到配置檔案目錄
[root@rh2 ~]# cd /etc/udev/rules.d
定義必要的規則配置檔案
[root@rh2 rules.d]# touch 99-oracle-asmdevices.rules
基於Linux5
[root@rh2 rules.d]# cat 99-oracle-asmdevices.rules
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_00010001", NAME="ocr1", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_00010002", NAME="ocr2", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_00010003", NAME="asm-disk1", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_00010004", NAME="asm-disk2", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_00010005", NAME="asm-disk3", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_00010006", NAME="asm-disk4", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_00010007", NAME="asm-disk5", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_00010008", NAME="asm-disk6", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_00010009", NAME="asm-disk7", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_0001000a", NAME="asm-disk8", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_0001000b", NAME="asm-disk9", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_0001000c", NAME="asm-disk10", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_0001000d", NAME="asm-disk11", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_0001000e", NAME="asm-disk12", OWNER="grid", GROUP="asmadmin", MODE="0660"
基於Linux6
[root@node1 dev]# vi /etc/udev/rules.d/99-oracle-asmdevices.rules
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name", RESULT=="36000c29a5102ddf9fca9686196989590", NAME="ocr1", OWNER="grid", GROUP="asmadmin", MODE="0660"
或者
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --device=/dev/$name", RESULT=="36000c29a2d3a60a0006886e760fc1db0", NAME="ocr_vote1", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --device=/dev/$name", RESULT=="36000c2936bd96c1806b14acaee56ee33", NAME="ocr_vote2", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --device=/dev/$name", RESULT=="36000c29029e2fd2f3d4de632d162cb0b", NAME="ocr_vote3", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --device=/dev/$name", RESULT=="36000c29a847fd0448ba35978ebfeea4d", NAME="data1", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --device=/dev/$name", RESULT=="36000c29124ad6529e2bb43846fc8091e", NAME="data2", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --device=/dev/$name", RESULT=="36000c29b02bdf234bc4f67029237ea98", NAME="rcy1", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --device=/dev/$name", RESULT=="36000c29e1284eb2640af72bbbd446183", NAME="rcy2", OWNER="grid", GROUP="asmadmin", MODE="0660"
其中LINUX6.5必須使用以下引數配置
[root@node1 dev]# vi /etc/udev/rules.d/99-oracle-asmdevices.rules
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name", RESULT=="36000c29a5102ddf9fca9686196989590", NAME="ocr1", OWNER="grid", GROUP="asmadmin", MODE="0660"
Result 為/sbin/scsi_id -g -u -s %p的輸出--Match the returned string of the last PROGRAM call. This key may be
used in any following rule after a PROGRAM call.
按順序填入剛才獲取的唯一標識名即可
OWNER為安裝Grid Infrastructure的使用者，在11gr2中一般為grid，GROUP為asmadmin
MODE採用0660即可
NAME為UDEV對映後的裝置名，
建議為OCR和VOTE DISK建立獨立的DISKGROUP，為了容易區分將該DISKGROUP專用的裝置命名為ocr1..ocrn的形式
其餘磁碟可以根據其實際用途或磁碟組名來命名
4.將該規則檔案複製到其他節點上
[root@rh2 rules.d]# scp 99-oracle-asmdevices.rules Other_node:/etc/udev/rules.d
5.在所有節點上啟動udev服務，或者重啟伺服器即可
基於Linux5
[root@rh2 rules.d]# /sbin/udevcontrol reload_rules
[root@rh2 rules.d]# /sbin/start_udev
Starting udev: [ OK ]
基於Linux6
[root@rh2 rules.d]# /sbin/udevadm control --reload_rules
[root@rh2 rules.d]# /sbin/start_udev
Starting udev: [ OK ]
6.檢查裝置是否到位
[root@rh2 rules.d]# cd /dev
[root@rh2 dev]# ls -l ocr*
brw-rw---- 1 grid asmadmin 8, 32 Jul 10 17:31 ocr1
brw-rw---- 1 grid asmadmin 8, 48 Jul 10 17:31 ocr2
[root@rh2 dev]# ls -l asm-disk*
brw-rw---- 1 grid asmadmin 8, 64 Jul 10 17:31 asm-disk1
brw-rw---- 1 grid asmadmin 8, 208 Jul 10 17:31 asm-disk10
brw-rw---- 1 grid asmadmin 8, 224 Jul 10 17:31 asm-disk11
brw-rw---- 1 grid asmadmin 8, 240 Jul 10 17:31 asm-disk12
brw-rw---- 1 grid asmadmin 8, 80 Jul 10 17:31 asm-disk2
brw-rw---- 1 grid asmadmin 8, 96 Jul 10 17:31 asm-disk3
brw-rw---- 1 grid asmadmin 8, 112 Jul 10 17:31 asm-disk4
brw-rw---- 1 grid asmadmin 8, 128 Jul 10 17:31 asm-disk5
brw-rw---- 1 grid asmadmin 8, 144 Jul 10 17:31 asm-disk6
brw-rw---- 1 grid asmadmin 8, 160 Jul 10 17:31 asm-disk7
brw-rw---- 1 grid asmadmin 8, 176 Jul 10 17:31 asm-disk8
brw-rw---- 1 grid asmadmin 8, 192 Jul 10 17:31 asm-disk9
補充：
直接獲取/etc/udev/rules.d/99-oracle-asmdevices.rules的檔案資訊
[root@rh2 ~]# rpm -qa|grep udev
udev-095-14.21.el5
2.透過scsi_id獲取裝置的塊裝置的唯一標識名，假設系統上已有LUN sdc-sdp
for i in c d e f g h i j k l m n o p ;
do
echo "sd$i" "`scsi_id -g -u -s /block/sd$i` ";
done
sdc 1IET_00010001
sdd 1IET_00010002
sde 1IET_00010003
sdf 1IET_00010004
sdg 1IET_00010005
sdh 1IET_00010006
sdi 1IET_00010007
sdj 1IET_00010008
sdk 1IET_00010009
sdl 1IET_0001000a
sdm 1IET_0001000b
sdn 1IET_0001000c
sdo 1IET_0001000d
sdp 1IET_0001000e
以上列出於塊裝置名對應的唯一標識名
3.建立必要的UDEV配置檔案，
首先切換到配置檔案目錄
[root@rh2 ~]# cd /etc/udev/rules.d
定義必要的規則配置檔案
[root@rh2 rules.d]# touch 99-oracle-asmdevices.rules
基於Linux5
[root@rh2 rules.d]# cat 99-oracle-asmdevices.rules
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_00010001", NAME="ocr1", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_00010002", NAME="ocr2", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_00010003", NAME="asm-disk1", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_00010004", NAME="asm-disk2", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_00010005", NAME="asm-disk3", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_00010006", NAME="asm-disk4", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_00010007", NAME="asm-disk5", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_00010008", NAME="asm-disk6", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_00010009", NAME="asm-disk7", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_0001000a", NAME="asm-disk8", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_0001000b", NAME="asm-disk9", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_0001000c", NAME="asm-disk10", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_0001000d", NAME="asm-disk11", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="1IET_0001000e", NAME="asm-disk12", OWNER="grid", GROUP="asmadmin", MODE="0660"
基於Linux6
[root@node1 dev]# vi /etc/udev/rules.d/99-oracle-asmdevices.rules
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name", RESULT=="36000c29a5102ddf9fca9686196989590", NAME="ocr1", OWNER="grid", GROUP="asmadmin", MODE="0660"
或者
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --device=/dev/$name", RESULT=="36000c29a2d3a60a0006886e760fc1db0", NAME="ocr_vote1", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --device=/dev/$name", RESULT=="36000c2936bd96c1806b14acaee56ee33", NAME="ocr_vote2", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --device=/dev/$name", RESULT=="36000c29029e2fd2f3d4de632d162cb0b", NAME="ocr_vote3", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --device=/dev/$name", RESULT=="36000c29a847fd0448ba35978ebfeea4d", NAME="data1", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --device=/dev/$name", RESULT=="36000c29124ad6529e2bb43846fc8091e", NAME="data2", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --device=/dev/$name", RESULT=="36000c29b02bdf234bc4f67029237ea98", NAME="rcy1", OWNER="grid", GROUP="asmadmin", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --device=/dev/$name", RESULT=="36000c29e1284eb2640af72bbbd446183", NAME="rcy2", OWNER="grid", GROUP="asmadmin", MODE="0660"
其中LINUX6.5必須使用以下引數配置
[root@node1 dev]# vi /etc/udev/rules.d/99-oracle-asmdevices.rules
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name", RESULT=="36000c29a5102ddf9fca9686196989590", NAME="ocr1", OWNER="grid", GROUP="asmadmin", MODE="0660"
Result 為/sbin/scsi_id -g -u -s %p的輸出--Match the returned string of the last PROGRAM call. This key may be
used in any following rule after a PROGRAM call.
按順序填入剛才獲取的唯一標識名即可
OWNER為安裝Grid Infrastructure的使用者，在11gr2中一般為grid，GROUP為asmadmin
MODE採用0660即可
NAME為UDEV對映後的裝置名，
建議為OCR和VOTE DISK建立獨立的DISKGROUP，為了容易區分將該DISKGROUP專用的裝置命名為ocr1..ocrn的形式
其餘磁碟可以根據其實際用途或磁碟組名來命名
4.將該規則檔案複製到其他節點上
[root@rh2 rules.d]# scp 99-oracle-asmdevices.rules Other_node:/etc/udev/rules.d
5.在所有節點上啟動udev服務，或者重啟伺服器即可
基於Linux5
[root@rh2 rules.d]# /sbin/udevcontrol reload_rules
[root@rh2 rules.d]# /sbin/start_udev
Starting udev: [ OK ]
基於Linux6
[root@rh2 rules.d]# /sbin/udevadm control --reload_rules
[root@rh2 rules.d]# /sbin/start_udev
Starting udev: [ OK ]
6.檢查裝置是否到位
[root@rh2 rules.d]# cd /dev
[root@rh2 dev]# ls -l ocr*
brw-rw---- 1 grid asmadmin 8, 32 Jul 10 17:31 ocr1
brw-rw---- 1 grid asmadmin 8, 48 Jul 10 17:31 ocr2
[root@rh2 dev]# ls -l asm-disk*
brw-rw---- 1 grid asmadmin 8, 64 Jul 10 17:31 asm-disk1
brw-rw---- 1 grid asmadmin 8, 208 Jul 10 17:31 asm-disk10
brw-rw---- 1 grid asmadmin 8, 224 Jul 10 17:31 asm-disk11
brw-rw---- 1 grid asmadmin 8, 240 Jul 10 17:31 asm-disk12
brw-rw---- 1 grid asmadmin 8, 80 Jul 10 17:31 asm-disk2
brw-rw---- 1 grid asmadmin 8, 96 Jul 10 17:31 asm-disk3
brw-rw---- 1 grid asmadmin 8, 112 Jul 10 17:31 asm-disk4
brw-rw---- 1 grid asmadmin 8, 128 Jul 10 17:31 asm-disk5
brw-rw---- 1 grid asmadmin 8, 144 Jul 10 17:31 asm-disk6
brw-rw---- 1 grid asmadmin 8, 160 Jul 10 17:31 asm-disk7
brw-rw---- 1 grid asmadmin 8, 176 Jul 10 17:31 asm-disk8
brw-rw---- 1 grid asmadmin 8, 192 Jul 10 17:31 asm-disk9
補充：
直接獲取/etc/udev/rules.d/99-oracle-asmdevices.rules的檔案資訊
for i in b c d e f g h i j k ; do echo "KERNEL==\"sd*\", BUS==\"scsi\", PROGRAM==\"/sbin/scsi_id -g -u -s %p\", RESULT==\"`scsi_id -g -u -s /block/sd$i`\", NAME=\"asm-disk$i\", OWNER=\"grid\", GROUP=\"asmadmin\", MODE=\"0660\"" done
來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/29802484/viewspace-1985942/，如需轉載，請註明出處，否則將追究法律責任。
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