Don't upgrade to 13.2.2 if you use cephfs

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To: ceph-devel <ceph-devel@xxxxxxxxxxxxxxx>, ceph-users <ceph-users@xxxxxxxxxxxxxx>
Subject: Don't upgrade to 13.2.2 if you use cephfs
From: "Yan, Zheng" <ukernel@xxxxxxxxx>
Date: Mon, 8 Oct 2018 10:30:23 +0800

There is a bug in v13.2.2 mds, which causes decoding purge queue to
fail. If mds is already in damaged state, please downgrade mds to
13.2.1, then run 'ceph mds repaired fs_name:damaged_rank' .

Sorry for all the trouble I caused.
Yan, Zheng

Follow-Ups:
- Re: [ceph-users] Don't upgrade to 13.2.2 if you use cephfs
  - From: Patrick Donnelly
- Re: Don't upgrade to 13.2.2 if you use cephfs
  - From: Xuehan Xu

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