[DOCS-3811] FAQ to explain MMS data size measurement units Created: 24/Jul/14  Updated: 16/Mar/15  Resolved: 31/Jul/14

Status: Closed
Project: Documentation
Component/s: Cloud Manager
Affects Version/s: None
Fix Version/s: v1.3.9

Type: Task Priority: Major - P3
Reporter: Michael Benoit 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, 24 weeks, 1 day ago

 Description   

Recently, I noticed that MMS always uses the following units to refer to data size:
MB (megabytes)
GB (gigabytes)
TB (terabytes)
etc.

A good example is within backup, where we show you how much storage your snapshots consume and how much oplog data has been processed. In our calculations, we use the following conversions:
1 MB = 1024^2 bytes
1 GB = 1024^3 bytes
1 TB = 1024^4 bytes

However, this is not correct; these units are actually defined as:
1 MB = 1000^2 bytes
1 GB = 1000^3 bytes
1 TB = 1000^4 bytes
(see here)

This is a common source of confusion and should be clarified on our FAQ.



 Comments   
Comment by Githook User [ 02/Sep/14 ]

Author:

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

Message: DOCS-3811 data size measurements
Branch: next
https://github.com/10gen/mms-docs/commit/065e27931c25c8f572fd415f8868efc62f3ec392

Comment by Githook User [ 04/Aug/14 ]

Author:

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

Message: DOCS-3811 data size measurements
Branch: master
https://github.com/10gen/mms-docs/commit/065e27931c25c8f572fd415f8868efc62f3ec392

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