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[MIP-208] mirror disk failover μ‹€νŒ¨

[MIP-208] mirror disk failover μ‹€νŒ¨

Subject
mirror disk failover μ‹€νŒ¨

APPLIES TO:
μ—λ²„λŸ° ν™˜κ²½


SYMPTOMS
"1. 운영 λ…Έλ“œ μ‹œμŠ€ν…œ μ…§λ‹€μš΄
2. νƒ€κ²Ÿ λ…Έλ“œμ—μ„œ κ·Έλ£Ή 온라인.
3. 미러 λ””μŠ€ν¬ 온라인 μ•ˆλ¨(clearswitchover μ•ˆλœ κ²ƒμœΌλ‘œ μœˆλ„μš° 이벀트 λ‘œκ·Έμ— λ‚˜μ˜΄)
4. 미러둀이 λ‹€μ‹œ target 으둜 λ°”λ€Œλ©΄μ„œ 온라인 μ•ˆλ¨"



CAUSE
"MCCS Log


11/05/07-09:41:37,603 | ror_DAgent | rDiskAgent: 98 | INFO | λ¦¬μ†ŒμŠ€ 온라인 μ‹œλ„ Mirror_D
11/05/07-09:41:37,744 | D:\ | ror.Volume: 518 | INFO | D: 미러 μƒνƒœ λ³€κ²½(MIRRORING => NO_MIRROR)
11/05/07-09:41:37,853 | D:\ | ror.Volume: 160 | INFO | D: 미러 λ‘€ λ³€κ²½(Target => None)
11/05/07-09:41:39,306 | ror_DAgent | rDiskAgent: 167 | INFO | λ³Όλ₯¨ 'D'에 λŒ€ν•œ switchover flag μ‚­μ œ

-> clearswitchoverflag 정상 μ™„λ£Œ 됨


11/05/07-09:41:42,072 | Thread-102 | entHandler: 106 | ERROR | Windows Event Error : Target-side mirror creation failed due to the switchover
flag being set for this volume (D. Use the CLEARSWITCHOVER option in EmCmd to clear this flag.

-> clearswitchoverflag μ‹€ν–‰ν•˜λΌκ³  λ‚˜μ˜΄ ?


11/05/07-09:41:42,072 | D:\ | ror.Volume: 160 | INFO | D: 미러 λ‘€ λ³€κ²½(None => Target)
11/05/07-09:43:40,524 | ror_DAgent | MirrorUtil: 844 | WARN | λ³Όλ₯¨ μƒνƒœ λŒ€κΈ°μ‹œκ°„ 초과 D:, Source, 120

-> λ‹€μ‹œ 미러 둀은 νƒ€κ²ŸμœΌλ‘œ 변경됨.
"


SOLUTION
"H/W 였λ₯˜λ‘œ μΈν•΄μ„œ λ°œμƒν–ˆλ‹€κ³  μž μ • κ²°λ‘  됨.
μž¬ν˜„ ν•  수 μžˆλŠ” 방법 μ—†μŒ.
H/W λ³€κ²½ ν›„ 증상 λ°œμƒν•˜μ§€ μ•ŠμŒ"

Β 

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