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6.0 ๋ณต์ œ๋ณธ ์„ธํŠธ๋ฅผ 5.0์œผ๋กœ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œ

์ด ํŽ˜์ด์ง€์˜ ๋‚ด์šฉ

  • ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œ ๊ฒฝ๋กœ
  • ์•ก์„ธ์Šค ์ œ์–ด
  • ์ „์ œ ์กฐ๊ฑด
  • ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œ ์ ˆ์ฐจ

๋‹ค์šด๊ทธ๋ ˆ์ด๋“œ๋ฅผ ์‹œ๋„ํ•˜๊ธฐ ์ „์— ์ด ํŽ˜์ด์ง€์˜ ๋‚ด์šฉ์„ ์ˆ™์ง€ํ•ฉ๋‹ˆ๋‹ค.

์ค‘์š”

๋ณต์ œ๋ณธ ์„ธํŠธ๋ฅผ ์—…๊ทธ๋ ˆ์ด๋“œํ•˜๊ฑฐ๋‚˜ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œํ•˜๊ธฐ ์ „์— ๋ชจ๋“  ๋ณต์ œ๋ณธ ์„ธํŠธ ๋ฉค๋ฒ„๊ฐ€ ์‹คํ–‰ ์ค‘์ธ์ง€ ํ™•์ธํ•˜์„ธ์š”. ๊ทธ๋ ‡์ง€ ์•Š์œผ๋ฉด ๋ชจ๋“  ๊ตฌ์„ฑ์›์ด ์‹œ์ž‘๋  ๋•Œ๊นŒ์ง€ ์—…๊ทธ๋ ˆ์ด๋“œ ๋˜๋Š” ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œ๊ฐ€ ์™„๋ฃŒ๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

6.0์—์„œ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œํ•ด์•ผ ํ•˜๋Š” ๊ฒฝ์šฐ ์ตœ์‹  ํŒจ์น˜ ๋ฆด๋ฆฌ์Šค์ธ 5.0์œผ๋กœ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œํ•˜์„ธ์š”.

MongoDB๋Š” ๋‹จ์ผ ๋ฒ„์ „ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œ๋งŒ ์ง€์›ํ•ฉ๋‹ˆ๋‹ค. ํ˜„์žฌ ๋ฆด๋ฆฌ์Šค๋ณด๋‹ค ์ด์ „ ๋ฒ„์ „์ธ ๋ฆด๋ฆฌ์Šค๋กœ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.

์˜ˆ๋ฅผ ๋“ค์–ด, 6.0 ์‹œ๋ฆฌ์ฆˆ๋ฅผ 5.0 ์‹œ๋ฆฌ์ฆˆ ๋ฐฐํฌ๋กœ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ํ•˜์ง€๋งŒ 5.0 ์‹œ๋ฆฌ์ฆˆ ๋ฐฐํฌ๋ฅผ 4.4 ์‹œ๋ฆฌ์ฆˆ ๋ฐฐํฌ๋กœ ํ•œ ๋‹จ๊ณ„ ๋” ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œํ•˜๋Š” ๊ฒƒ์€ ์ง€์›๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

๋ณต์ œ๋ณธ ์„ธํŠธ์— ์•ก์„ธ์Šค ์ œ์–ด๊ฐ€ ํ™œ์„ฑํ™”๋˜์–ด ์žˆ๋Š” ๊ฒฝ์šฐ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œ ์‚ฌ์šฉ์ž ๊ถŒํ•œ์— ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ์ „์ฒด์—์„œ ์ธ๋ฑ์Šค๋ฅผ ๋‚˜์—ดํ•˜๊ณ  ๊ด€๋ฆฌํ•  ์ˆ˜ ์žˆ๋Š” ๊ถŒํ•œ์ด ํฌํ•จ๋˜์–ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. root ์—ญํ• ์„ ๊ฐ€์ง„ ์‚ฌ์šฉ์ž์—๊ฒŒ๋Š” ํ•„์š”ํ•œ ๊ถŒํ•œ์ด ์žˆ์Šต๋‹ˆ๋‹ค.

๋‹ค์šด๊ทธ๋ ˆ์ด๋“œ ์ ˆ์ฐจ๋ฅผ ์‹œ์ž‘ํ•˜๊ธฐ ์ „์— ๋‹ค์Œ ์‚ฌ์ „ ํ•„์ˆ˜ ๋‹จ๊ณ„๋ฅผ ์™„๋ฃŒํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

1

์„ ํƒ ์‚ฌํ•ญ์ด์ง€๋งŒ ๊ถŒ์žฅ๋ฉ๋‹ˆ๋‹ค. ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค์˜ ๋ฐฑ์—…์„ ๋งŒ๋“ญ๋‹ˆ๋‹ค.

๋ฐฑ์—…์„ ๋งŒ๋“œ๋Š” ๋ฐฉ๋ฒ•์„ ์•Œ์•„๋ณด๋ ค๋ฉด ์ž์ฒด ๊ด€๋ฆฌ ๋ฐฐํฌ์„œ๋ฒ„๋ฅผ ์œ„ํ•œ ๋ฐฑ์—… ๋ฐฉ๋ฒ•์„ ์ฐธ์กฐํ•˜์„ธ์š”.

2

6.0์—์„œ 5.0์œผ๋กœ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œํ•˜๋ ค๋ฉด 5.0๊ณผ ํ˜ธํ™˜๋˜์ง€ ์•Š๋Š” 6.0 ๊ธฐ๋Šฅ์„ ์ œ๊ฑฐํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ํ˜ธํ™˜๋˜์ง€ ์•Š๋Š” ๊ธฐ๋Šฅ ๋ชฉ๋ก๊ณผ ํ•ด๋‹น ๊ธฐ๋Šฅ์„ ์ œ๊ฑฐํ•˜๋Š” ๋ฐฉ๋ฒ•์€ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œ ๊ณ ๋ ค ์‚ฌํ•ญ์„ ์ฐธ์กฐํ•˜์„ธ์š”.

3

๋ณต์ œ๋ณธ ์„ธํŠธ์˜ fCV ๋ฅผ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œํ•˜๋ ค๋ฉด ๋‹ค์Œ์„ ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค.

  1. ์ดˆ๊ธฐ ๋™๊ธฐํ™”๊ฐ€ ์ง„ํ–‰ ์ค‘์ด ์•„๋‹Œ์ง€ ํ™•์ธํ•ฉ๋‹ˆ๋‹ค. ์ดˆ๊ธฐ ๋™๊ธฐํ™”๊ฐ€ ์ง„ํ–‰ ์ค‘์ผ ๋•Œ setFeatureCompatibilityVersion ๋ช…๋ น์„ ์‹คํ–‰ํ•˜๋ฉด ์ดˆ๊ธฐ ๋™๊ธฐํ™”๊ฐ€ ๋‹ค์‹œ ์‹œ์ž‘๋ฉ๋‹ˆ๋‹ค.

  2. ๋ณต์ œ๋ณธ ์„ธํŠธ ๊ตฌ์„ฑ ์— newlyAdded ํ•„๋“œ๊ฐ€ ์žˆ๋Š” ๋…ธ๋“œ๊ฐ€ ์—†๋Š”์ง€ ํ™•์ธํ•ฉ๋‹ˆ๋‹ค. ๋ณต์ œ๋ณธ ์„ธํŠธ์˜ ๊ฐ ๋…ธ๋“œ์—์„œ ๋‹ค์Œ ๋ช…๋ น์„ ์‹คํ–‰ํ•˜์—ฌ ์ด๋ฅผ ํ™•์ธํ•ฉ๋‹ˆ๋‹ค.

    use local
    db.system.replset.find( { "members.newlyAdded" : { $exists : true } } );

    newlyAdded ํ•„๋“œ๋Š” ์ดˆ๊ธฐ ๋™๊ธฐํ™” ์ค‘๊ณผ ์ดˆ๊ธฐ ๋™๊ธฐํ™” ์งํ›„ ๋…ธ๋“œ์˜ ๋ณต์ œ๋ณธ ์„ธํŠธ ๊ตฌ์„ฑ ๋ฌธ์„œ์— ๋‚˜ํƒ€๋‚ฉ๋‹ˆ๋‹ค.

  3. ROLLBACK ๋˜๋Š” RECOVERING ์ƒํƒœ์— ์žˆ๋Š” ๋ณต์ œ๋ณธ ์„ธํŠธ ๋ฉค๋ฒ„๊ฐ€ ์—†๋Š”์ง€ ํ™•์ธํ•ฉ๋‹ˆ๋‹ค.

  4. mongosh ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ํ”„๋ผ์ด๋จธ๋ฆฌ์— ์—ฐ๊ฒฐํ•ฉ๋‹ˆ๋‹ค.

  5. featureCompatibilityVersion์„ "5.0"๋กœ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œํ•ฉ๋‹ˆ๋‹ค.

    db.adminCommand( { setFeatureCompatibilityVersion: "5.0" } )

    setFeatureCompatibilityVersion ๋ช…๋ น์€ ๋‚ด๋ถ€ ์‹œ์Šคํ…œ collection์— ๋Œ€ํ•œ ์“ฐ๊ธฐ๋ฅผ ์ˆ˜ํ–‰ํ•˜๋ฉฐ ๋ฉฑ๋“ฑ์›์ž…๋‹ˆ๋‹ค. ๋ช…๋ น์ด ์„ฑ๊ณต์ ์œผ๋กœ ์™„๋ฃŒ๋˜์ง€ ์•Š์œผ๋ฉด ํ”„๋ผ์ด๋จธ๋ฆฌ์—์„œ ๋ช…๋ น์„ ๋‹ค์‹œ ์‹œ๋„ํ•ฉ๋‹ˆ๋‹ค.

  6. ๋ณต์ œ๋ณธ ์„ธํŠธ์˜ ๋ชจ๋“  ๋ฉค๋ฒ„์— ์—…๋ฐ์ดํŠธ๋œ featureCompatibilityVersion ์ด(๊ฐ€) ์žˆ๋Š”์ง€ ํ™•์ธํ•˜๋ ค๋ฉด ๊ฐ ๋ณต์ œ๋ณธ ์„ธํŠธ ๋ฉค๋ฒ„์— ์—ฐ๊ฒฐํ•˜์—ฌ featureCompatibilityVersion ์„(๋ฅผ) ํ™•์ธํ•ฉ๋‹ˆ๋‹ค.

    db.adminCommand( { getParameter: 1, featureCompatibilityVersion: 1 } )

    ๋ชจ๋“  ๋ฉค๋ฒ„๋Š” ๋‹ค์Œ์„ ํฌํ•จํ•˜๋Š” ๊ฒฐ๊ณผ๋ฅผ ๋ฐ˜ํ™˜ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

    "featureCompatibilityVersion" : { "version" : "5.0" }

    ๋ฉค๋ฒ„๊ฐ€ "6.0" ์˜ featureCompatibilityVersion ๋ฅผ ๋ฐ˜ํ™˜ํ•˜๋Š” ๊ฒฝ์šฐ ๊ณ„์†ํ•˜๊ธฐ ์ „์— ๋ฉค๋ฒ„๊ฐ€ ๋ฒ„์ „ "5.0" ์„ ๋ฐ˜ํ™˜ํ•  ๋•Œ๊นŒ์ง€ ๊ธฐ๋‹ค๋ฆฝ๋‹ˆ๋‹ค.

๋ฐ˜ํ™˜๋œ featureCompatibilityVersion ๊ฐ’์— ๋Œ€ํ•œ ์ž์„ธํ•œ ๋‚ด์šฉ์€ FeatureCompatibilityVersion ๊ฐ€์ ธ์˜ค๊ธฐ๋ฅผ ์ฐธ์กฐํ•˜์„ธ์š”.

๊ฒฝ๊ณ 

๋‹ค์šด๊ทธ๋ ˆ์ด๋“œ ์ ˆ์ฐจ๋ฅผ ์ง„ํ–‰ํ•˜๊ธฐ ์ „์— ์ง€์—ฐ๋œ ๋ณต์ œ๋ณธ ์„ธํŠธ ๋ฉค๋ฒ„๋ฅผ ํฌํ•จํ•œ ๋ชจ๋“  ๋ณต์ œ๋ณธ ์„ธํŠธ ๋ฉค๋ฒ„์—๊ฒŒ ํ•„์ˆ˜ ๋ณ€๊ฒฝ ์‚ฌํ•ญ์ด ์žˆ๋Š”์ง€ ํ™•์ธํ•˜์„ธ์š”. ์ด๋ ‡๊ฒŒ ํ•˜๋ ค๋ฉด featureCompatibilityVersion ํ™•์ธํ•˜๊ณ  ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œํ•˜๊ธฐ ์ „์— ๊ฐ ๋…ธ๋“œ์— ๋Œ€ํ•ด ํ˜ธํ™˜๋˜์ง€ ์•Š๋Š” ๊ธฐ๋Šฅ์„ ์ œ๊ฑฐํ•ฉ๋‹ˆ๋‹ค.

1

ํŒจํ‚ค์ง€ ๊ด€๋ฆฌ์ž๋‚˜ ์ˆ˜๋™ ๋‹ค์šด๋กœ๋“œ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ 5.0 ์‹œ๋ฆฌ์ฆˆ์˜ ์ตœ์‹  ๋ฆด๋ฆฌ์Šค๋ฅผ ๋‹ค์šด๋กœ๋“œํ•ฉ๋‹ˆ๋‹ค. ํŒจํ‚ค์ง€ ๊ด€๋ฆฌ์ž๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๊ฒฝ์šฐ 5.0 ๋ฐ”์ด๋„ˆ๋ฆฌ์— ๋Œ€ํ•œ ์ƒˆ ๋ฆฌํฌ์ง€ํ† ๋ฆฌ๋ฅผ ์ถ”๊ฐ€ํ•œ ๋‹ค์Œ ์‹ค์ œ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œ ํ”„๋กœ์„ธ์Šค๋ฅผ ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค.

์ค‘์š”

๋ณต์ œ๋ณธ ์„ธํŠธ๋ฅผ ์—…๊ทธ๋ ˆ์ด๋“œํ•˜๊ฑฐ๋‚˜ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œํ•˜๊ธฐ ์ „์— ๋ชจ๋“  ๋ณต์ œ๋ณธ ์„ธํŠธ ๋ฉค๋ฒ„๊ฐ€ ์‹คํ–‰ ์ค‘์ธ์ง€ ํ™•์ธํ•˜์„ธ์š”. ๊ทธ๋ ‡์ง€ ์•Š์œผ๋ฉด ๋ชจ๋“  ๊ตฌ์„ฑ์›์ด ์‹œ์ž‘๋  ๋•Œ๊นŒ์ง€ ์—…๊ทธ๋ ˆ์ด๋“œ ๋˜๋Š” ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œ๊ฐ€ ์™„๋ฃŒ๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

6.0์—์„œ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œํ•ด์•ผ ํ•˜๋Š” ๊ฒฝ์šฐ ์ตœ์‹  ํŒจ์น˜ ๋ฆด๋ฆฌ์Šค์ธ 5.0์œผ๋กœ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œํ•˜์„ธ์š”.

2

5.0 ๋ฐ”์ด๋„ˆ๋ฆฌ๊ฐ€ ์‹œ์Šคํ…œ ๊ฒฝ๋กœ์— ์žˆ๋Š”์ง€ ํ™•์ธํ•ฉ๋‹ˆ๋‹ค. ๋ฐ”์ด๋„ˆ๋ฆฌ ๋ฒ„์ „์„ ํ™•์ธํ•˜๋ ค๋ฉด ๋‹ค์Œ ๋ช…๋ น์„ ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค.

mongod --version

๋ช…๋ น ์ถœ๋ ฅ์— 5.0 ์‹œ๋ฆฌ์ฆˆ ๋ฆด๋ฆฌ์Šค๊ฐ€ ํ‘œ์‹œ๋˜์–ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

3

๋ณต์ œ๋ณธ ์„ธํŠธ์˜ ๊ฐ ์„ธ์ปจ๋”๋ฆฌ ๋ฉค๋ฒ„๋ฅผ ํ•œ ๋ฒˆ์— ํ•˜๋‚˜์”ฉ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œํ•ฉ๋‹ˆ๋‹ค.

  1. ๋ฉค๋ฒ„๋ฅผ ์ข…๋ฃŒํ•ฉ๋‹ˆ๋‹ค.

    mongod ํ”„๋กœ์„ธ์Šค๋ฅผ ์ข…๋ฃŒํ•˜๋ ค๋ฉด mongosh ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์„ธ์ปจ๋”๋ฆฌ์— ์—ฐ๊ฒฐํ•˜๊ณ  ๋‹ค์Œ ๋ช…๋ น์„ ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค.

    db.adminCommand( { shutdown: 1 } )
  2. ๋ฉค๋ฒ„๋ฅผ ๋‹ค์‹œ ์‹œ์ž‘ํ•ฉ๋‹ˆ๋‹ค.

    mongod ํ”„๋กœ์„ธ์Šค๋ฅผ ์‹œ์ž‘ํ•˜๋ ค๋ฉด ๋‹ค์Œ ๋ช…๋ น์„ ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค:

    mongod --dbpath </path-to-data-folder>

    mongod ํ”„๋กœ์„ธ์Šค ์‹œ์ž‘์— ๋Œ€ํ•ด ์ž์„ธํžˆ ์•Œ์•„๋ณด๋ ค๋ฉด mongod ํ”„๋กœ์„ธ์Šค ์‹œ์ž‘์„ ์ฐธ์กฐํ•˜์„ธ์š”.

  3. ๋ฉค๋ฒ„๊ฐ€ SECONDARY ์ƒํƒœ๊ฐ€ ๋  ๋•Œ๊นŒ์ง€ ๊ธฐ๋‹ค๋ฆฝ๋‹ˆ๋‹ค.

    ๋‹ค์Œ ์„ธ์ปจ๋”๋ฆฌ๋ฅผ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œํ•˜๊ธฐ ์ „์— ๋ฉค๋ฒ„๊ฐ€ ์ƒํƒœ๋กœ ๋ณต๊ตฌ๋  ๋•Œ๊นŒ์ง€ SECONDARY ๊ธฐ๋‹ค๋ฆฝ๋‹ˆ๋‹ค. ๋ฉค๋ฒ„์˜ ์ƒํƒœ๋ฅผ ํ™•์ธํ•˜๋ ค๋ฉด mongosh ์—์„œ rs.status()๋ฉ”์„œ๋“œ๋ฅผ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.

  4. ๋ฉค๋ฒ„๊ฐ€ SECONDARY ๋‹จ๊ณ„๊ฐ€ ๋˜๋ฉด ๋‹ค์Œ ์„ธ์ปจ๋”๋ฆฌ๋ฅผ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œํ•ฉ๋‹ˆ๋‹ค.

4

๋ณต์ œ๋ณธ ์„ธํŠธ์— ์ค‘์žฌ์ž๊ฐ€ ํฌํ•จ๋˜์–ด ์žˆ์ง€ ์•Š์œผ๋ฉด ์ด ๋‹จ๊ณ„๋ฅผ ๊ฑด๋„ˆ๋›ฐ์„ธ์š”.

๋ณต์ œ๋ณธ ์„ธํŠธ์˜ ์ค‘์žฌ์ž ๋ฉค๋ฒ„๋ฅผ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œํ•ฉ๋‹ˆ๋‹ค.

  1. ๋ฉค๋ฒ„๋ฅผ ์ข…๋ฃŒํ•ฉ๋‹ˆ๋‹ค.

    ์ค‘์žฌ์ž๋ฅผ ์ข…๋ฃŒํ•˜๋ ค๋ฉด mongosh ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์ค‘์žฌ์ž์— ์—ฐ๊ฒฐํ•˜๊ณ  ๋‹ค์Œ ๋ช…๋ น์„ ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค.

    db.adminCommand( { shutdown: 1 } )
  2. ์ค‘์žฌ์ž ๋ฐ์ดํ„ฐ ๋””๋ ‰ํ† ๋ฆฌ์˜ ๋‚ด์šฉ์„ ์‚ญ์ œํ•ฉ๋‹ˆ๋‹ค.

    ์ค‘์žฌ์ž mongod ์˜ ๋ฐ์ดํ„ฐ ๋””๋ ‰ํ† ๋ฆฌ๋ฅผ ์ฐพ์œผ๋ ค๋ฉด storage.dbPath ๊ตฌ์„ฑ ์„ค์ • ๋˜๋Š” --dbpath ๋ช…๋ น์ค„ ์˜ต์…˜์„ ํ™•์ธํ•˜์„ธ์š”.

    ๋‹ค์Œ ๋ช…๋ น์„ ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค:

    rm -rf /path/to/mongodb/datafiles/*
  3. ์ค‘์žฌ์ž๋ฅผ ๋‹ค์‹œ ์‹œ์ž‘ํ•ฉ๋‹ˆ๋‹ค.

    mongod ํ”„๋กœ์„ธ์Šค๋ฅผ ์‹œ์ž‘ํ•˜๋ ค๋ฉด ๋‹ค์Œ ๋ช…๋ น์„ ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค:

    mongod --dbpath </path-to-mongodb-datafiles>

    mongod ํ”„๋กœ์„ธ์Šค ์‹œ์ž‘์— ๋Œ€ํ•ด ์ž์„ธํžˆ ์•Œ์•„๋ณด๋ ค๋ฉด mongod ํ”„๋กœ์„ธ์Šค ์‹œ์ž‘์„ ์ฐธ์กฐํ•˜์„ธ์š”.

  4. ๋ฉค๋ฒ„๊ฐ€ ARBITER ์ƒํƒœ๊ฐ€ ๋  ๋•Œ๊นŒ์ง€ ๊ธฐ๋‹ค๋ฆฝ๋‹ˆ๋‹ค.

    ํ”„๋ผ์ด๋จธ๋ฆฌ๋ฅผ ๋‹ค์šด๊ทธ๋ ˆ์ด๋“œํ•˜๊ธฐ ์ „์— ๋ฉค๋ฒ„๊ฐ€ ARBITER ์ƒํƒœ๋กœ ๋ณต๊ตฌ๋  ๋•Œ๊นŒ์ง€ ๊ธฐ๋‹ค๋ฆฝ๋‹ˆ๋‹ค. ๋ฉค๋ฒ„์˜ ์ƒํƒœ๋ฅผ ํ™•์ธํ•˜๋ ค๋ฉด ์—์„œ rs.status() ๋ฉ”์„œ๋“œ๋ฅผ mongosh ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.

5
  1. ํ”„๋ผ์ด๋จธ๋ฆฌ์„ ๋‚ด๋ ค๋†“์Šต๋‹ˆ๋‹ค.

    mongosh ์—์„œ rs.stepDown() ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ํ”„๋ผ์ด๋จธ๋ฆฌ๋ฅผ ๋ฌผ๋Ÿฌ๋‚˜๊ณ  ์ผ๋ฐ˜์ ์ธ ํŽ˜์ผ์˜ค๋ฒ„ ์ ˆ์ฐจ๋ฅผ ๊ฐ•์ œ ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค.

    rs.stepDown()
  2. ํ”„๋ผ์ด๋จธ๋ฆฌ๊ฐ€ ๋ฌผ๋Ÿฌ๋‚ฌ๋Š”์ง€ ํ™•์ธํ•ฉ๋‹ˆ๋‹ค.

    ๋‹ค์Œ ๋ช…๋ น์„ ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค:

    rs.status()

    ํ”„๋ผ์ด๋จธ๋ฆฌ๊ฐ€ ๋ฌผ๋Ÿฌ๋‚˜๊ณ  ๋‹ค๋ฅธ ๋ฉค๋ฒ„๊ฐ€ PRIMARY ์ƒํƒœ๋ฅผ ์ทจํ–ˆ๋Š”์ง€ ํ™•์ธํ•ฉ๋‹ˆ๋‹ค.

  3. ์ด์ „ ํ”„๋ผ์ด๋จธ๋ฆฌ mongod ์„(๋ฅผ) ๊ต์ฒดํ•˜๊ณ  ๋‹ค์‹œ ์‹œ์ž‘ํ•ฉ๋‹ˆ๋‹ค.

    1. ๋ฉค๋ฒ„๋ฅผ ์ข…๋ฃŒํ•ฉ๋‹ˆ๋‹ค.

      ํ”„๋ผ์ด๋จธ๋ฆฌ์˜ ์ข…๋ฃŒ๋ฅผ ์ˆ˜ํ–‰ํ•˜๋ ค๋ฉด mongosh ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ํ”„๋ผ์ด๋จธ๋ฆฌ์— ์—ฐ๊ฒฐํ•˜๊ณ  ๋‹ค์Œ ๋ช…๋ น์„ ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค.

      db.adminCommand( { shutdown: 1 } )
    2. 5.0 ๋ฐ”์ด๋„ˆ๋ฆฌ๋กœ mongod ๋ฅผ ๋‹ค์‹œ ์‹œ์ž‘ํ•ฉ๋‹ˆ๋‹ค.

      mongod ํ”„๋กœ์„ธ์Šค๋ฅผ ์‹œ์ž‘ํ•˜๋ ค๋ฉด ๋‹ค์Œ ๋ช…๋ น์„ ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค:

      mongod --dbpath </path-to-mongodb-datafiles>

      mongod ํ”„๋กœ์„ธ์Šค ์‹œ์ž‘์— ๋Œ€ํ•ด ์ž์„ธํžˆ ์•Œ์•„๋ณด๋ ค๋ฉด mongod ํ”„๋กœ์„ธ์Šค ์‹œ์ž‘์„ ์ฐธ์กฐํ•˜์„ธ์š”.

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