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Bug #39307

closed

EC pools with m=1 are created with an unsafe min_size by default

Added by Paul Emmerich about 5 years ago. Updated about 5 years ago.

Status:
Won't Fix
Priority:
High
Assignee:
-
Category:
-
Target version:
-
% Done:

0%

Source:
Tags:
Backport:
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(RADOS):
Pull request ID:
Crash signature (v1):
Crash signature (v2):

Description

Creating an EC pool with m=1 on 14.2.0 defaults to a min_size of k, e.g. min_size of 2 for a 2+1 pool.
Older versions defaulted to a min_size of 3.

I don't think we should go for a default that favors availability over durability ever. It should be a conscious choice by the user to run a cluster that accepts writes with no redundancy.

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