ASM ：/dev/emcpowera 绑定UDEV 来做ASM 磁盘

我想用 /dev/emcpowera 绑定UDEV 

 

FROM： http://t.askmaclean.com/thread-1992-1-1.html

发表于 2013-1-28 20:16:31 | 查看: 490 | 回复: 5

我的存储是EMC的，装上多路径软件之后 [root@chnap-itd64 rules.d]# fdisk -l WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sda: 3597.3 GB, 3597303545856 bytes 255 heads, 63 sectors/track, 437347 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000    Device Boot      Start         End      Blocks   Id  System /dev/sda1               1      267350  2147483647+  ee  GPT WARNING: GPT (GUID Partition Table) detected on '/dev/sdc'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sdc: 2147.5 GB, 2147483648000 bytes 255 heads, 63 sectors/track, 261083 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000    Device Boot      Start         End      Blocks   Id  System /dev/sdc1               1      261084  2097151999+  ee  GPT WARNING: GPT (GUID Partition Table) detected on '/dev/sdb'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sdb: 2147.5 GB, 2147483648000 bytes 255 heads, 63 sectors/track, 261083 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000    Device Boot      Start         End      Blocks   Id  System /dev/sdb1               1      261084  2097151999+  ee  GPT WARNING: GPT (GUID Partition Table) detected on '/dev/sdd'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sdd: 2147.5 GB, 2147483648000 bytes 255 heads, 63 sectors/track, 261083 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000    Device Boot      Start         End      Blocks   Id  System /dev/sdd1               1      261084  2097151999+  ee  GPT WARNING: GPT (GUID Partition Table) detected on '/dev/sde'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sde: 2147.5 GB, 2147483648000 bytes 255 heads, 63 sectors/track, 261083 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000    Device Boot      Start         End      Blocks   Id  System /dev/sde1               1      261084  2097151999+  ee  GPT WARNING: GPT (GUID Partition Table) detected on '/dev/emcpowera'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/emcpowera: 2147.5 GB, 2147483648000 bytes 255 heads, 63 sectors/track, 261083 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000          Device Boot      Start         End      Blocks   Id  System /dev/emcpowera1               1      261084  2097151999+  ee  GPT 如果用下面的这种方式编辑规则文件，udev设置是可以出来的 more 99-oracle-asmdevices.rules KERNEL=="sdb1", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -d /dev/$parent", RESULT=="36006016076f32e00745442a6f862e211", NAME="asm-disk1", OWNER="grid", GRO UP="asmadmin", MODE="0660" [root@chnap-itd64 rules.d]# /sbin/start_udev 正在启动 udev：[确定] [root@chnap-itd64 rules.d]# ls -l /dev/asm-disk* brw-rw---- 1 grid asmadmin 8, 17 1月  28 20:00 /dev/asm-disk1 目前我想用 /dev/emcpowera 这个设备绑定 但是没有成功，是不是我的99-oracle-asmdevices.rules 这个文件的写法不对。 多路径软件装上之后一般/dev/emcpowera不会变， 虽然用/dev/sdb也可以绑定，也没有影响，但是我想 用/dev/emcpowera设备在多台服务器上绑定 [root@chnap-itd64 rules.d]# vi 99-oracle-asmdevices.rules KERNEL=="emcpowera1", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -d /dev/$parent", RESULT=="36006016076f32e00745442a6f862e211", NAME="asm-disk1", OWNER="grid", GROUP="asmadmin", MODE="0660" [root@chnap-itd64 rules.d]# /sbin/start_udev 正在启动 udev：[确定] [root@chnap-itd64 rules.d]# /sbin/start_udev [root@chnap-itd64 rules.d]# ls -l /dev/as* ls: 无法访问/dev/as*: 没有那个文件或目录     原来在linux6 里面如果要用这种方法做ASM的话。 需要在/etc/udev/rules.d 目录上新增了50-udev.rules 文件， redhat 5 下面就有这个文件，到redhat 6下就没了 并把下列信息加入50-udev.rules，现在在oracle上已经可以正常安装asm了 [root@chnap-itd65 rules.d]# cat 50-udev.rules SUBSYSTEM=="block", KERNEL=="emcpowera1", GROUP="asmadmin", OWNER="grid", MODE="0660" SUBSYSTEM=="block", KERNEL=="emcpowera2", GROUP="asmadmin", OWNER="grid", MODE="0660" SUBSYSTEM=="block", KERNEL=="emcpowera3", GROUP="asmadmin", OWNER="grid", MODE="0660" SUBSYSTEM=="block", KERNEL=="emcpowera4", GROUP="asmadmin", OWNER="grid", MODE="0660" [root@chnap-itd65 rules.d]# start_udev 正在启动 udev：[确定] [root@chnap-itd65 rules.d]# ls -l /dev/emc* crw-rw---- 1 root root 10, 58 1月 29 19:33 /dev/emcpower brw-rw---- 1 root disk 120, 0 1月 29 19:33 /dev/emcpowera brw-rw---- 1 grid asmadmin 120, 1 1月 29 19:33 /dev/emcpowera1 brw-rw---- 1 grid asmadmin 120, 2 1月 29 19:33 /dev/emcpowera2 brw-rw---- 1 grid asmadmin 120, 3 1月 29 19:33 /dev/emcpowera3 brw-rw---- 1 grid asmadmin 120, 4 1月 29 19:33 /dev/emcpowera4 重启udev的时候权限已经正常了 ASM可以正常配置使用了 该问题已经解决。   总结：已经有了emcpower，那直接在rc.local中修改权限就好了，不用udev了。