[MIP-563] ์˜คํ”„๋ผ์ธ์ค‘ Mirror๊ฐ€ Pauesed ๋˜์–ด์„œ Failover๊ฐ€ ๋˜์ง€ ์•Š์Œ

[MIP-563] ์˜คํ”„๋ผ์ธ์ค‘ Mirror๊ฐ€ Pauesed ๋˜์–ด์„œ Failover๊ฐ€ ๋˜์ง€ ์•Š์Œ

Subject
[KB๊ตญ๋ฏผ์นด๋“œ]์˜คํ”„๋ผ์ธ์ค‘ Mirror๊ฐ€ Pauesed ๋˜์–ด์„œ Failover๊ฐ€ ๋˜์ง€ ์•Š์Œ

APPLIES TO: ย 
MCCS version: 3.3.0
OS: Windows 2003 Standard Edition SP2 x86
APPs: none
Disk Type: DataKeeper 7.2.0


SYMPTOMS
์„œ๋น„์Šค MSWordMacroServer - ์žฅ์• ๊ฐ€ ๋˜์–ด Failover ๋˜๋Š”๋ฐ Offline๋˜๋Š” ๊ณผ์ •์—์„œ Mirror๊ฐ€ Paused์ƒํƒœ๊ฐ€ ๋จ
๊ทธ๋ฃน Faulted๊ฐ€ ๋˜๊ณ  Failover๋Š” ๋˜์ง€ ๋ชปํ•จ


CAUSE
- ์ฒซ์งธ, ๋ฐ˜๋Œ€ํŽธ์„œ๋ฒ„(target)์— ์“ฐ์ง€ ๋ชปํ•  ๊ฒฝ์šฐ
- ๋‘˜์งธ, ๋„คํŠธ์› ์†๋„๋ณด๋‹ค I/O๊ฐ€ ๋งŽ์ด ๋ฐœ์ƒํ•  ๊ฒฝ์šฐ
'=> 2012-05-02 ์˜ค์ „ 10:53:56 Resync of volume E to target IP 200.200.200.153 starting with 554 MB to resync. ๋ผ๋Š” System Event log ํ™•์ธ
- SQL ์„œ๋น„์Šค๊ฐ€ ์ค‘์ง€๋  ์‹œ์ ์— ๊ฐ‘์ž๊ธฐ I/O ์ฆ๊ฐ€๋Ÿ‰์œผ๋กœ ์ธํ•œ sync delay ๋กœ ๋ณด์—ฌ์ง
- ๋ฌธ์ œ ์‹œ์ ์— MCCS๊ฐ€ Event log ๋ฅผ capture(Mirror pause) ํ•˜์—ฌ, Failover ํ•  ์‹œ์ ์— Failover ๋ช…๋ น์ด ์ทจ์†Œ๋จ
- Sync ๊ฐ€ ์™„๋ฃŒ๋œ๋‹ค์Œ ์ž๋™์œผ๋กœ ์˜จ๋ผ์ธ๋˜์–ด์•ผ ํ•œ๋‹ค๋Š” ๊ณ ๊ฐ์‚ฌ ์˜๊ฒฌ
'=> MCCS ๋กœ์ง์€ Failover ๋ช…๋ น์ด ์ทจ์†Œ๊ฐ€ ๋˜๋ฉด, ์ดํ›„ ์ดํ›„ ์‚ฌ์šฉ์ž ๊ฐœ์ž…์‹œ๊นŒ์ง€ ๋‹ค๋ฅธ ๋ช…๋ น ์ˆ˜ํ–‰ํ•˜์ง€ ์•Š์Œ


SOLUTION
DataKeeper ๋ฌธ์ œ๋กœ DK 7.4๋กœ ์—…๊ทธ๋ ˆ์ด๋“œ ํ•˜๊ธฐ๋กœ ํ•จ

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