一直對(duì)這個(gè)配置比較混亂，我看文檔上寫推薦都是300m，我選的是externalmos，三個(gè)磁盤組成磁盤組，但我看他只在raw1 上啊，那我其他兩個(gè)是怎么個(gè)工作原理啊，還請(qǐng)教正確的配置方法和大小設(shè)置，我的ocr和votingdisk狀態(tài)如下：

[grid@cipa-rac2 ~]$ crsctl query css votedisk

## STATE File Universal Id File Name Disk group

-- ----- ----------------- --------- ---------

1. ONLINE 2c92c014b3e74f62bf1f3e21516c7a49 (/dev/raw/raw1) [OCR]

Located 1 voting disk(s).

[grid@cipa-rac2 ~]$

[grid@cipa-rac2 ~]$ crsctl query css votedisk

## STATE File Universal Id File Name Disk group

-- ----- ----------------- --------- ---------

1. ONLINE 2c92c014b3e74f62bf1f3e21516c7a49 (/dev/raw/raw1) [OCR]

Located 1 voting disk(s).

[grid@cipa-rac2 ~]$ ocrconfig -showbackup

cipa-rac1 2015/05/29 10:12:19 /opt/app/11.2.0/grid/cdata/cipa-rac/backup00.ocr

cipa-rac1 2015/05/29 06:12:18 /opt/app/11.2.0/grid/cdata/cipa-rac/backup01.ocr

cipa-rac1 2015/05/29 02:12:17 /opt/app/11.2.0/grid/cdata/cipa-rac/backup02.ocr

cipa-rac1 2015/05/28 02:12:00 /opt/app/11.2.0/grid/cdata/cipa-rac/day.ocr

cipa-rac1 2015/05/19 02:04:32 /opt/app/11.2.0/grid/cdata/cipa-rac/week.ocr

PROT-25: Manual backups for the Oracle Cluster Registry are not available

[grid@cipa-rac2 ~]$ ocrcheck

Status of Oracle Cluster Registry is as follows :

Version : 3

Total space (kbytes) : 262120

Used space (kbytes) : 3160

Available space (kbytes) : 258960

ID : 1228808456

Device/File Name : +OCR

Device/File integrity check succeeded

Device/File not configured

Device/File not configured

Device/File not configured

Device/File not configured

Cluster registry integrity check succeeded

Logical corruption check bypassed due to non-privileged user

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