Bug 1466916

Summary: Erasure Coding with Overwrites (RBD support)
Product: [Red Hat Storage] Red Hat Ceph Storage Reporter: John Wilkins <jowilkin>
Component: DocumentationAssignee: ceph-docs <ceph-docs>
Status: CLOSED DUPLICATE QA Contact: ceph-qe-bugs <ceph-qe-bugs>
Severity: low Docs Contact:
Priority: low    
Version: 3.0CC: agunn, asriram, flucifre, hnallurv, kdreyer, mhackett, shmohan
Target Milestone: rc   
Target Release: 3.0   
Hardware: Unspecified   
OS: Unspecified   
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Last Closed: 2017-11-03 09:07:37 UTC Type: Bug
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description John Wilkins 2017-06-30 18:00:37 UTC 
Description of problem:


Upstream has a description for erasure coding with overwrites. We need to determine if it should be supported in downstream.

http://docs.ceph.com/docs/master/rados/operations/erasure-code/#erasure-coding-with-overwrites

Set pool values would have the following:

allow_ec_overwrites::
Description;;
  Whether writes to an erasure coded pool can update part of an object,
  so cephfs and rbd can use it. See Erasure Coding with Overwrites for
  more details.
Type;;
  Boolean