[kudu-CR] [docs] Document how to recover from a majority failed tablet

["Will Berkeley (Code Review)" <ge...@cloudera.org>]

Hello Mike Percy, Jean-Daniel Cryans, Kudu Jenkins, Todd Lipcon, 

I'd like you to reexamine a change. Please visit

    http://gerrit.cloudera.org:8080/8402

to look at the new patch set (#7).

Change subject: [docs] Document how to recover from a majority failed tablet
......................................................................

[docs] Document how to recover from a majority failed tablet

This adds some docs on how to recover when a tablet can no longer find
a majority due to the permanent failure of replicas.

I tested this procedure by failing tablets in various ways:
- deleting important bits like cmeta or tablet metadata
- deleting entire data dirs
- tombstoning 2/3 replicas (and disabling tombstoned voting)
and I was always able to recover using these instructions.

Change-Id: Ic6326f65d029a1cd75e487b16ce5be4baea2f215
---
M docs/administration.adoc
1 file changed, 65 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/02/8402/7
-- 
To view, visit http://gerrit.cloudera.org:8080/8402
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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Ic6326f65d029a1cd75e487b16ce5be4baea2f215
Gerrit-Change-Number: 8402
Gerrit-PatchSet: 7
Gerrit-Owner: Will Berkeley <wd...@gmail.com>
Gerrit-Reviewer: Jean-Daniel Cryans <jd...@apache.org>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Mike Percy <mp...@apache.org>
Gerrit-Reviewer: Todd Lipcon <to...@apache.org>
Gerrit-Reviewer: Will Berkeley <wd...@gmail.com>