如何進(jìn)行Centos7 multipath 盤(pán)權(quán)限綁定.，針對(duì)這個(gè)問(wèn)題，這篇文章詳細(xì)介紹了相對(duì)應(yīng)的分析和解答，希望可以幫助更多想解決這個(gè)問(wèn)題的小伙伴找到更簡(jiǎn)單易行的方法。

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Centos7 multipath 盤(pán)權(quán)限綁定.
[root@centos7 ~]$ more /etc/udev/rules.d/99-oracle.rules
KERNEL=="dm-0",OWNER="oragrid",GROUP="dba",MODE="0660"
KERNEL=="dm-1",OWNER="oragrid",GROUP="dba",MODE="0660"
KERNEL=="dm-2",OWNER="oragrid",GROUP="dba",MODE="0660"
KERNEL=="dm-3",OWNER="oragrid",GROUP="dba",MODE="0660"
KERNEL=="dm-4",OWNER="oragrid",GROUP="dba",MODE="0660"
KERNEL=="dm-5",OWNER="oragrid",GROUP="dba",MODE="0660"
KERNEL=="dm-6",OWNER="oragrid",GROUP="dba",MODE="0660"
KERNEL=="dm-7",OWNER="oragrid",GROUP="dba",MODE="0660"
KERNEL=="dm-8",OWNER="oragrid",GROUP="dba",MODE="0660"
KERNEL=="dm-9",OWNER="oragrid",GROUP="dba",MODE="0660"

關(guān)機(jī)前的對(duì)應(yīng)關(guān)系
[root@centos7 ~]$ ls -l /dev/mapper/
total 0
crw-------. 1 root root 10, 236 Jan 26 12:18 control
lrwxrwxrwx. 1 root root       7 Jan 29 08:06 data01 -> ../dm-3
lrwxrwxrwx. 1 root root       7 Jan 29 08:06 data02 -> ../dm-0
lrwxrwxrwx. 1 root root       7 Jan 26 11:35 data03 -> ../dm-1
lrwxrwxrwx. 1 root root       7 Jan 29 08:06 data04 -> ../dm-4
lrwxrwxrwx. 1 root root       7 Jan 29 08:06 fra01 -> ../dm-5
lrwxrwxrwx. 1 root root       7 Jan 26 11:35 fra02 -> ../dm-6
lrwxrwxrwx. 1 root root       7 Jan 26 11:35 ocr01 -> ../dm-8
lrwxrwxrwx. 1 root root       7 Jan 26 11:35 ocr02 -> ../dm-7
lrwxrwxrwx. 1 root root       7 Jan 26 11:35 ocr03 -> ../dm-9
lrwxrwxrwx. 1 root root       8 Jan 26 12:18 ocr04 -> ../dm-10
lrwxrwxrwx. 1 root root       7 Jan 26 11:35 virtual -> ../dm-2
lrwxrwxrwx. 1 root root       8 Jan 26 12:18 virtual1 -> ../dm-11

重啟后.對(duì)應(yīng)關(guān)系發(fā)生了變化。如下：
data01重啟是都要dm-3,重啟后是dm-2
[root@centos7 ~]$ ls -l /dev/mapper/
total 0
crw-------. 1 root root 10, 236 Jan 29  2018 control
lrwxrwxrwx. 1 root root       7 Jan 29  2018 data01 -> ../dm-2
lrwxrwxrwx. 1 root root       7 Jan 29  2018 data02 -> ../dm-4
lrwxrwxrwx. 1 root root       7 Jan 29  2018 data03 -> ../dm-5
lrwxrwxrwx. 1 root root       7 Jan 29  2018 data04 -> ../dm-7
lrwxrwxrwx. 1 root root       7 Jan 29  2018 fra01 -> ../dm-3
lrwxrwxrwx. 1 root root       7 Jan 29  2018 fra02 -> ../dm-0
lrwxrwxrwx. 1 root root       7 Jan 29  2018 ocr01 -> ../dm-1
lrwxrwxrwx. 1 root root       7 Jan 29  2018 ocr02 -> ../dm-8
lrwxrwxrwx. 1 root root       8 Jan 29  2018 ocr03 -> ../dm-10
lrwxrwxrwx. 1 root root       7 Jan 29  2018 ocr04 -> ../dm-9
lrwxrwxrwx. 1 root root       7 Jan 29  2018 virtual -> ../dm-6
lrwxrwxrwx. 1 root root       8 Jan 29  2018 virtual1 -> ../dm-11

所以 KERNEL=="dm-0",OWNER="oragrid",GROUP="dba",MODE="0660"
這種綁定權(quán)限的方式有問(wèn)題。
如果恰好沒(méi)有綁定到...權(quán)限則不能正常賦予了。

采用如下方式,綁定權(quán)限。
[root@centos7 /etc/udev/rules.d]$ more 99-oracle.rules
PROGRAM="/usr/bin/chown oragrid:dba /dev/mapper/ocr01"
PROGRAM="/usr/bin/chown oragrid:dba /dev/mapper/ocr02"
PROGRAM="/usr/bin/chown oragrid:dba /dev/mapper/ocr03"
PROGRAM="/usr/bin/chown oragrid:dba /dev/mapper/ocr04"
PROGRAM="/usr/bin/chown oragrid:dba /dev/mapper/data01"
PROGRAM="/usr/bin/chown oragrid:dba /dev/mapper/data02"
PROGRAM="/usr/bin/chown oragrid:dba /dev/mapper/data03"
PROGRAM="/usr/bin/chown oragrid:dba /dev/mapper/data04"
PROGRAM="/usr/bin/chown oragrid:dba /dev/mapper/fra01"
PROGRAM="/usr/bin/chown oragrid:dba /dev/mapper/fra02"
PROGRAM="/usr/bin/chmod 0660 /dev/mapper/ocr01"
PROGRAM="/usr/bin/chmod 0660 /dev/mapper/ocr02"
PROGRAM="/usr/bin/chmod 0660 /dev/mapper/ocr03"
PROGRAM="/usr/bin/chmod 0660 /dev/mapper/ocr04"
PROGRAM="/usr/bin/chmod 0660 /dev/mapper/data01"
PROGRAM="/usr/bin/chmod 0660 /dev/mapper/data02"
PROGRAM="/usr/bin/chmod 0660 /dev/mapper/data03"
PROGRAM="/usr/bin/chmod 0660 /dev/mapper/data04"
PROGRAM="/usr/bin/chmod 0660 /dev/mapper/fra01"
PROGRAM="/usr/bin/chmod 0660 /dev/mapper/fra02"

重啟后查看權(quán)限,給ASM用的盤(pán)的權(quán)限正常。
[root@centos7 /etc/udev/rules.d]$ ls -l /dev/mapper/
total 0
crw-------. 1 root root 10, 236 Jan 29  2018 control
lrwxrwxrwx. 1 root root       7 Jan 29 09:47 data01 -> ../dm-3
lrwxrwxrwx. 1 root root       7 Jan 29 09:47 data02 -> ../dm-5
lrwxrwxrwx. 1 root root       7 Jan 29 09:41 data03 -> ../dm-4
lrwxrwxrwx. 1 root root       7 Jan 29 09:47 data04 -> ../dm-2
lrwxrwxrwx. 1 root root       7 Jan 29 09:47 fra01 -> ../dm-6
lrwxrwxrwx. 1 root root       7 Jan 29 09:41 fra02 -> ../dm-0
lrwxrwxrwx. 1 root root       7 Jan 29 09:41 ocr01 -> ../dm-7
lrwxrwxrwx. 1 root root       7 Jan 29 09:41 ocr02 -> ../dm-8
lrwxrwxrwx. 1 root root       8 Jan 29 09:41 ocr03 -> ../dm-10
lrwxrwxrwx. 1 root root       7 Jan 29 09:41 ocr04 -> ../dm-9
lrwxrwxrwx. 1 root root       7 Jan 29  2018 virtual -> ../dm-1
lrwxrwxrwx. 1 root root       8 Jan 29  2018 virtual1 -> ../dm-11
[root@centos7 /etc/udev/rules.d]$ ls -l /dev/dm*
brw-rw----. 1 oragrid dba  253,  0 Jan 29 09:41 /dev/dm-0
brw-rw----. 1 root    disk 253,  1 Jan 29  2018 /dev/dm-1
brw-rw----. 1 oragrid dba  253, 10 Jan 29 09:41 /dev/dm-10
brw-rw----. 1 root    disk 253, 11 Jan 29  2018 /dev/dm-11
brw-rw----. 1 oragrid dba  253,  2 Jan 29 09:47 /dev/dm-2
brw-rw----. 1 oragrid dba  253,  3 Jan 29 09:51 /dev/dm-3
brw-rw----. 1 oragrid dba  253,  4 Jan 29 09:41 /dev/dm-4
brw-rw----. 1 oragrid dba  253,  5 Jan 29 09:51 /dev/dm-5
brw-rw----. 1 oragrid dba  253,  6 Jan 29 09:51 /dev/dm-6
brw-rw----. 1 oragrid dba  253,  7 Jan 29 09:51 /dev/dm-7
brw-rw----. 1 oragrid dba  253,  8 Jan 29 09:51 /dev/dm-8
brw-rw----. 1 oragrid dba  253,  9 Jan 29 09:41 /dev/dm-9

chown，chmod加上命令的全路徑。

關(guān)于如何進(jìn)行Centos7 multipath 盤(pán)權(quán)限綁定.問(wèn)題的解答就分享到這里了，希望以上內(nèi)容可以對(duì)大家有一定的幫助，如果你還有很多疑惑沒(méi)有解開(kāi)，可以關(guān)注創(chuàng)新互聯(lián)-成都網(wǎng)站建設(shè)公司行業(yè)資訊頻道了解更多相關(guān)知識(shí)。

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