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Re: [Qemu-devel] [PATCH v9 1/4] quorum: Add the rewrite-corrupted parame


From: Max Reitz
Subject: Re: [Qemu-devel] [PATCH v9 1/4] quorum: Add the rewrite-corrupted parameter to quorum
Date: Sat, 14 Jun 2014 01:07:04 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0

On 11.06.2014 15:24, Benoît Canet wrote:
On read operations when this parameter is set and some replicas are corrupted
while quorum can be reached quorum will proceed to rewrite the correct version
of the data to fix the corrupted replicas.

This will shine with SSD where the FTL will remap the same block at another
place on rewrite.

Signed-off-by: Benoit Canet <address@hidden>
---
  block/quorum.c             | 97 +++++++++++++++++++++++++++++++++++++++++++---
  qapi/block-core.json       |  5 ++-
  tests/qemu-iotests/081     | 15 ++++++-
  tests/qemu-iotests/081.out | 10 +++++
  4 files changed, 119 insertions(+), 8 deletions(-)

Reviewed-by: Max Reitz <address@hidden>



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