[DOCS-4057] Improve the Blockstore DB setup recommendations Created: 17/Sep/14  Updated: 16/Mar/15  Resolved: 17/Oct/14

Status: Closed
Project: Documentation
Component/s: Cloud Manager
Affects Version/s: None
Fix Version/s: v1.3.12

Type: Improvement Priority: Major - P3
Reporter: Anil Kumar Assignee: Bob Grabar
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Participants:
Days since reply: 9 years, 17 weeks, 5 days ago

 Description   

Our Blockstore DB recommended setup provides a naive approach by specifying just 2 data nodes. This organically implies that we can run MMS Backup in 2+1 topology for the Blockstore DB.

Since MMS uses w=2 write concern this also implies that anyone using this setup would be susceptible to loss of write availability on Backup if they loose one of the data notes.

We should enhance our documentation to make this clear in the recommended setup as well as any other place discussing high availability.



 Comments   
Comment by Githook User [ 17/Oct/14 ]

Author:

{u'username': u'bgrabar', u'name': u'Bob Grabar', u'email': u'bob.grabar@10gen.com'}

Message: DOCS-4057 blockstore requires rs with min 3 members that hold data
Branch: master
https://github.com/10gen/mms-docs/commit/4b0ca959d42b9f5b29389f66316bdec5a948cdb6

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