[DOCS-11573] Advise caution when geographically distributing config servers across two datacenters. Created: 10/Apr/18  Updated: 30/Oct/23  Resolved: 12/Apr/18

Status: Closed
Project: Documentation
Component/s: Server
Affects Version/s: None
Fix Version/s: Server_Docs_20231030

Type: Improvement Priority: Critical - P2
Reporter: Mark Brinsmead Assignee: Kay Kim (Inactive)
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Participants:
Days since reply: 5 years, 42 weeks, 6 days ago

 Description   

Description

In "Deploy a Geographically Redundant Replica Set", the following advice appears:

Deploy a Geographically Redundant Three-Member Replica Set

For a geographically redundant three-member replica set deployment, you must decide how to distribute your system. Some possible distributions for the three members are:

  • Across Three Data Centers: One members to each site.
  • Across Two Data Centers: Two members to Site A and one member to Site B. If one of the members of the replica set is an arbiter, distribute the arbiter to Site A with a data-bearing member.

While these are both valid configurations, the documentation should perhaps mention (here) that the three-site solution has several advantages over the two-shard solution, especially for CSRS config servers.

Scope (pages to review):



 Comments   
Comment by Githook User [ 19/Apr/18 ]

Author:

{'email': 'kay.kim@10gen.com', 'username': 'kay-kim', 'name': 'kay'}

Message: DOCS-11573: additional tweaks to csrs/rs data centers
Branch: master
https://github.com/mongodb/docs/commit/40d0563e6e2b776821bcd6f35be03763470a747f

Comment by Githook User [ 19/Apr/18 ]

Author:

{'email': 'kay.kim@10gen.com', 'username': 'kay-kim', 'name': 'kay'}

Message: DOCS-11573: additional tweaks to csrs/rs data centers
Branch: v3.6
https://github.com/mongodb/docs/commit/c660cf7db1bb681b70fabe1e4b194fb02c1efa05

Comment by Githook User [ 16/Apr/18 ]

Author:

{'name': 'kay', 'email': 'kay.kim@10gen.com', 'username': 'kay-kim'}

Message: DOCS-11573: rs/data centers + csrs especially
Branch: v3.4
https://github.com/mongodb/docs/commit/8d74a9f0a7158de3691b49b4306ebaf880862b9d

Comment by Githook User [ 16/Apr/18 ]

Author:

{'name': 'kay', 'email': 'kay.kim@10gen.com', 'username': 'kay-kim'}

Message: DOCS-11573: csrs data center
Branch: v3.4
https://github.com/mongodb/docs/commit/7ad3eb0e693f12d4bdcc3b88257bc65001a79a7e

Comment by Githook User [ 16/Apr/18 ]

Author:

{'name': 'kay', 'email': 'kay.kim@10gen.com', 'username': 'kay-kim'}

Message: DOCS-11573: rs/data centers + csrs especially
Branch: v3.6
https://github.com/mongodb/docs/commit/282b2b01c01d91f6b144bfb3988924fe2f0938a8

Comment by Githook User [ 16/Apr/18 ]

Author:

{'name': 'kay', 'email': 'kay.kim@10gen.com', 'username': 'kay-kim'}

Message: DOCS-11573: rs/data centers + csrs especially
Branch: master
https://github.com/mongodb/docs/commit/5f919728eed074eefcd8db37fb2cd73f09226d06

Comment by Githook User [ 12/Apr/18 ]

Author:

{'email': 'kay.kim@10gen.com', 'name': 'kay', 'username': 'kay-kim'}

Message: DOCS-11573: csrs data center
Branch: v3.6
https://github.com/mongodb/docs/commit/efa833eb6d40476cf87fe8e4b4f4391ce743d955

Comment by Githook User [ 12/Apr/18 ]

Author:

{'email': 'kay.kim@10gen.com', 'name': 'kay', 'username': 'kay-kim'}

Message: DOCS-11573: csrs data center
Branch: master
https://github.com/mongodb/docs/commit/d205684abc414cd3740ef56366c3b93a4b097b95

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