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這篇文章將為大家詳細(xì)講解有關(guān)如何配置共享存儲(chǔ)和進(jìn)行UDEV存儲(chǔ)設(shè)備綁定,文章內(nèi)容質(zhì)量較高,因此小編分享給大家做個(gè)參考,希望大家閱讀完這篇文章后對(duì)相關(guān)知識(shí)有一定的了解。
配置共享存儲(chǔ)和UDEV存儲(chǔ)設(shè)備綁定
2013年7月29日,星期一
目錄:
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前提條件:vrh3主機(jī)需要是關(guān)閉狀態(tài)
共享磁盤必須使用固定大小磁盤類型,否則無法把其設(shè)置為共享類型
磁盤名稱 | 創(chuàng)建類型 | 格式 | 磁盤類型 | 大小 | 說明 |
ocr | 新建 | VDI | 固定大小 | 3G | 放置OCR和vodvoting Disk |
dbshare1 | 新建 | VDI | 固定大小 | 5G | 放置數(shù)據(jù)文件 |
dbshare2 | 新建 | VDI | 固定大小 | 5G | 放置數(shù)據(jù)文件 |
dbshare3 | 新建 | VDI | 固定大小 | 5G | 放置數(shù)據(jù)文件 |
將以上四個(gè)磁盤設(shè)置為可共享的類型
點(diǎn)擊“管理”->“虛擬介質(zhì)管理”->選擇磁盤->選擇類型為共享
在virtual Box管理器上顯示可能會(huì)有一點(diǎn)延遲
打開主機(jī)的I/O Cache
磁盤名稱 | 創(chuàng)建類型 | 格式 | 磁盤類型 | 大小 | 說明 |
ocr | 現(xiàn)有 | VDI | 固定大小 | 3G | 放置OCR和vodvoting Disk |
dbshare1 | 現(xiàn)有 | VDI | 固定大小 | 5G | 放置數(shù)據(jù)文件 |
dbshare2 | 現(xiàn)有 | VDI | 固定大小 | 5G | 放置數(shù)據(jù)文件 |
dbshare3 | 現(xiàn)有 | VDI | 固定大小 | 5G | 放置數(shù)據(jù)文件 |
添加磁盤并且打開主機(jī)的I/O Cache
3.在vrh2上綁定存儲(chǔ)磁盤
3.1把sdb 3G這個(gè)盤劃分成兩個(gè)分區(qū)
[root@vrh2 ~]# fdisk /dev/sdb
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
Building a new DOS disklabel. Changes will remain in memory only,
until you decide to write them. After that, of course, the previous
content won't be recoverable.
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
Command (m for help): p
Disk /dev/sdb: 3221 MB, 3221225472 bytes
255 heads, 63 sectors/track, 391 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-391, default 1):
Using default value 1
Last cylinder or +size or +sizeM or +sizeK (1-391, default 391): +1500M
Command (m for help): p
Disk /dev/sdb: 3221 MB, 3221225472 bytes
255 heads, 63 sectors/track, 391 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 183 1469916 83 Linux
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 2
First cylinder (184-391, default 184):
Using default value 184
Last cylinder or +size or +sizeM or +sizeK (184-391, default 391):
Using default value 391
Command (m for help): p
Disk /dev/sdb: 3221 MB, 3221225472 bytes
255 heads, 63 sectors/track, 391 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 183 1469916 83 Linux
/dev/sdb2 184 391 1670760 83 Linux
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
WARNING: Re-reading the partition table failed with error 16: Device or resource busy.
The kernel still uses the old table.
The new table will be used at the next reboot.
Syncing disks.
[root@vrh2 ~]# partprobe /dev/sdb
[root@vrh2 ~]# ls -l /dev/sdb*
brw-r----- 1 root disk 8, 16 Jul 29 07:39 /dev/sdb
b rw-r----- 1 root disk 8, 17 Jul 29 07:40 /dev/sdb1 #記住8,17 8,18 之后綁定會(huì)用到
b rw-r----- 1 root disk 8, 18 Jul 29 07:40 /dev/sdb2 #注意這里的sdb目前還是塊設(shè)備,我們之后會(huì)把它設(shè)置為raw設(shè)備
3.2綁定磁盤sdb
[root@vrh2 ~]# cd /etc/udev/rules.d/
[root@vrh2 rules.d]# vi 60-raw.rules
# Enter raw device bindings here.
#
# An example would be:
# ACTION=="add", KERNEL=="sda", RUN+="/bin/raw /dev/raw/raw1 %N"
# to bind /dev/raw/raw1 to /dev/sda, or
# ACTION=="add", ENV{MAJOR}=="8", ENV{MINOR}=="1", RUN+="/bin/raw /dev/raw/raw2 %M %m"
# to bind /dev/raw/raw2 to the device with major 8, minor 1.
ACTION=="add", KERNEL=="sdb1", RUN+="/bin/raw /dev/raw/raw1 %N"
ACTION=="add", KERNEL=="sdb2", RUN+="/bin/raw /dev/raw/raw2 %N"
ACTION=="add", KERNEL=="raw*", OWNER=="oracle", GROUP=="oinstall", MODE=="0660" #把權(quán)限賦予給oracle用戶和oinstall用戶組
[root@vrh2 rules.d]# start_udev
Starting udev: [ OK ]
[root@vrh2 rules.d]# cd /dev/raw
[root@vrh2 raw]# ls -l
total 0
crw-rw---- 1 oracle oinstall 162, 1 Jul 29 07:56 raw1
crw-rw---- 1 oracle oinstall 162, 2 Jul 29 07:56 raw2
3.3把sdc、sdd、sde綁定成asm文件格式
使用以下腳本可以實(shí)現(xiàn),注意該腳本要在/dev/raw目錄執(zhí)行
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\", WNER=\"oracle\", GROUP=\"oinstall\", MODE=\"0660\""
done
我們這里只有cde三個(gè)盤,只需要將in后面寫上c d e即可,
解釋:
sbin/scsi_id -g -u 該號(hào)是唯一的,所以根據(jù)它來綁定
[root@vrh2 raw]# ls
raw1 raw2
[root@vrh2 raw]# for i in c d e;
> do
> echo "sd$i" "`scsi_id -g -u -s /block/sd$i`";
> done
sdc SATA_VBOX_HARDDISK_VBb86af276-b24615a9_
sdd SATA_VBOX_HARDDISK_VB453dbb62-ac2d0a41_
sde SATA_VBOX_HARDDISK_VB2a60d1f8-c1fd7b46_
執(zhí)行腳本
[root@vrh2 raw]# for i in c d e;
> 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\", WNER=\"oracle\", GROUP=\"oinstall\", MODE=\"0660\""
> done
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="SATA_VBOX_HARDDISK_VBb86af276-b24615a9_", NAME="asm-diskc", OWNER="oracle", GROUP="oinstall", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="SATA_VBOX_HARDDISK_VB453dbb62-ac2d0a41_", NAME="asm-diskd", OWNER="oracle", GROUP="oinstall", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="SATA_VBOX_HARDDISK_VB2a60d1f8-c1fd7b46_", NAME="asm-diske", OWNER="oracle", GROUP="oinstall", MODE="0660"
[root@vrh2 raw]#
[root@vrh2 ~]# cd /etc/udev/rules.d/
[root@vrh2 rules.d]# touch 99-oracle-asmdevices.rules
[root@vrh2 rules.d]# vi 99-oracle-asmdevices.rules
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="SATA_VBOX_HARDDISK_VBb86af276-b24615a9_", NAME="asm-diskc", OWNER="oracle", GROUP="oinstall", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="SATA_VBOX_HARDDISK_VB453dbb62-ac2d0a41_", NAME="asm-diskd", OWNER="oracle", GROUP="oinstall", MODE="0660"
KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p", RESULT=="SATA_VBOX_HARDDISK_VB2a60d1f8-c1fd7b46_", NAME="asm-diske", OWNER="oracle", GROUP="oinstall", MODE="0660"
[root@vrh2 rules.d]# start_udev
Starting udev: [ OK ]
[root@vrh2 rules.d]# ls -l /dev/asm*
brw-rw---- 1 oracle oinstall 8, 32 Jul 29 20:30 /dev/asm-diskc
brw-rw---- 1 oracle oinstall 8, 48 Jul 29 20:30 /dev/asm-diskd
brw-rw---- 1 oracle oinstall 8, 64 Jul 29 20:30 /dev/asm-diske
4.在vrh3上綁定存儲(chǔ)磁盤
4.1啟動(dòng)vrh3
4.2復(fù)制剛才配置的vrh2上的規(guī)則文件到vrh3
[root@vrh2 rules.d]# scp 60-raw.rules vrh3:/etc/udev/rules.d
The authenticity of host 'vrh3 (192.168.1.103)' can't be established.
RSA key fingerprint is 92:e1:fc:a6:f8:15:37:27:7b:50:41:fa:be:4d:19:0b.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'vrh3,192.168.1.103' (RSA) to the list of known hosts.
root@vrh3's password:
60-raw.rules 100% 527 0.5KB/s 00:00
[root@vrh2 rules.d]# scp 99-oracle-asmdevices.rules vrh3:/etc/udev/rules.d
root@vrh3's password:
99-oracle-asmdevices.rules 100% 544 0.5KB/s 00:00
4.3啟動(dòng)服務(wù)
[root@vrh3 rules.d]# start_udev
Starting udev: [ OK ]
[root@vrh3 rules.d]# ll /dev/raw/raw*
crw-rw---- 1 oracle oinstall 162, 1 Jul 29 20:39 /dev/raw/raw1
crw-rw---- 1 oracle oinstall 162, 2 Jul 29 20:39 /dev/raw/raw2
[root@vrh3 rules.d]#
[root@vrh3 rules.d]# ll /dev/asm*
brw-rw---- 1 oracle oinstall 8, 32 Jul 29 20:39 /dev/asm-diskc
brw-rw---- 1 oracle oinstall 8, 48 Jul 29 20:39 /dev/asm-diskd
brw-rw---- 1 oracle oinstall 8, 64 Jul 29 20:39 /dev/asm-diske
5.vrh2與vrh3 sshd互信配置
5.1 vrh2上執(zhí)行
[root@vrh2 /]# su - oracle
[oracle@vrh2 ~]$ ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/home/oracle/.ssh/id_rsa):
Created directory '/home/oracle/.ssh'.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/oracle/.ssh/id_rsa.
Your public key has been saved in /home/oracle/.ssh/id_rsa.pub.
The key fingerprint is:
87:0f:5e:55:8e:7a:b6:47:e7:34:ad:27:b4:63:a9:da oracle@vrh2.oracle.com
[oracle@vrh2 ~]$ ssh-keygen -t dsa
Generating public/private dsa key pair.
Enter file in which to save the key (/home/oracle/.ssh/id_dsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/oracle/.ssh/id_dsa.
Your public key has been saved in /home/oracle/.ssh/id_dsa.pub.
The key fingerprint is:
0d:ec:9d:41:00:5d:cc:e7:c2:8a:e8:6c:30:00:90:66 oracle@vrh2.oracle.com
5.2 vrh3上執(zhí)行
[root@vrh3 /]# su - oracle
[oracle@vrh3 ~]$ ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/home/oracle/.ssh/id_rsa):
Created directory '/home/oracle/.ssh'.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/oracle/.ssh/id_rsa.
Your public key has been saved in /home/oracle/.ssh/id_rsa.pub.
The key fingerprint is:
83:a3:22:6a:aa:cf:90:74:11:7e:48:58:86:06:7b:aa oracle@vrh3.oracle.com
[oracle@vrh3 ~]$ ssh-keygen -t dsa
Generating public/private dsa key pair.
Enter file in which to save the key (/home/oracle/.ssh/id_dsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/oracle/.ssh/id_dsa.
Your public key has been saved in /home/oracle/.ssh/id_dsa.pub.
The key fingerprint is:
29:3b:dc:1b:49:bb:0e:90:29:a7:d6:6b:26:99:de:b7 oracle@vrh3.oracle.com
5.3 創(chuàng)建一個(gè)授權(quán)文件保存兩臺(tái)主機(jī)的授權(quán)信息
[oracle@vrh2 .ssh]$ touch authorized_keys
[oracle@vrh2 .ssh]$ cat id_dsa.pub >> authorized_keys #將本機(jī)vrh2上的dsa保存到授權(quán)文件中
[oracle@vrh2 .ssh]$ cat id_rsa.pub >> authorized_keys #將本機(jī)vrh2上的rsa保存到授權(quán)文件中
[oracle@vrh2 .ssh]$ ssh vrh3 cat ~/.ssh/id_dsa.pub >> authorized_keys #將vrh3上的dsa保存到授權(quán)文件中
The authenticity of host 'vrh3 (192.168.1.103)' can't be established. #將vrh3上的rsa保存到授權(quán)文件中
RSA key fingerprint is 92:e1:fc:a6:f8:15:37:27:7b:50:41:fa:be:4d:19:0b.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'vrh3,192.168.1.103' (RSA) to the list of known hosts.
oracle@vrh3's password:
[oracle@vrh2 .ssh]$ ssh vrh3 cat ~/.ssh/id_rsa.pub >> authorized_keys #將授權(quán)文件拷貝到vrh3主機(jī)上
oracle@vrh3's password:
[oracle@vrh2 .ssh]$ scp authorized_keys vrh3:~/.ssh
oracle@vrh3's password:
authorized_keys 100% 2032 2.0KB/s 00:00
5.4檢查vrh2上主機(jī)的時(shí)間同步情況
[oracle@vrh2 .ssh]$ date;ssh vrh3 date
Mon Jul 29 20:53:44 CST 2013
Mon Jul 29 20:53:44 CST 2013
[oracle@vrh2 .ssh]$ date;ssh vrh3-priv date
Mon Jul 29 20:54:15 CST 2013
Mon Jul 29 20:54:15 CST 2013
[oracle@vrh2 .ssh]$ date;ssh vrh2 date
Mon Jul 29 20:55:36 CST 2013
Mon Jul 29 20:55:36 CST 2013
[oracle@vrh2 .ssh]$ date;ssh vrh2-priv date
Mon Jul 29 20:55:45 CST 2013
Mon Jul 29 20:55:45 CST 2013
5.5檢查vrh3上主機(jī)的時(shí)間同步情況
[oracle@vrh3 ~]$ date;ssh vrh2 date
Mon Jul 29 20:56:50 CST 2013
Mon Jul 29 20:56:50 CST 2013
[oracle@vrh3 ~]$ date;ssh vrh2-priv date
Mon Jul 29 20:56:59 CST 2013
Mon Jul 29 20:56:59 CST 2013
[oracle@vrh3 ~]$ date;ssh vrh3 date
Mon Jul 29 20:57:54 CST 2013
Mon Jul 29 20:57:54 CST 2013
[oracle@vrh3 ~]$ date;ssh vrh3-priv date
Mon Jul 29 20:57:45 CST 2013
Mon Jul 29 20:57:46 CST 2013
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