oracle 10g RAC如何恢複OCR

----查詢OCR狀態：

# /oracle/product/10g/crs/bin/ocrcheck

PROT-601: Failed to initialize ocrcheck

---------替換原OCR磁碟，出錯：

# /oracle/product/10g/crs/bin/ocrconfig -replace ocr '/dev/rdsk/c5t600A0B80005AD8BC0000020000000000d0s7'

/oracle/product/10g/crs/bin/ocrconfig -replace ocrmirror '/dev/rdsk/c5t600A0B80005AD8BC0000020000000001d0s7'

PROT-1: Failed to initialize ocrconfig

---------用repair選項替換原OCR磁碟：

# /oracle/product/10g/crs/bin/ocrconfig -repair ocr '/dev/rdsk/c5t600A0B80005AD8BC0000020000000000d0s7'

# /oracle/product/10g/crs/bin/ocrconfig -repair ocrmirror '/dev/rdsk/c5t600A0B80005AD8BC0000020000000001d0s7'

---------使用自動備份的ocr檔案來恢複到新的OCR磁碟：

# /oracle/product/10g/crs/bin/ocrconfig -restore '/oracle/product/10g/crs/cdata/crs/backup00.ocr'

此處需注意新的磁碟容量要比原來的磁碟大，否則在恢複是會遇到錯誤PROT-22: Storage too small，這是

Oracle的一個Bug

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