Re: [Nbd] [PATCH] nbd-tester-client: analyse bad data using hash function huersistic
- To: Alex Bligh <alex@...872...>
- Cc: nbd-general@lists.sourceforge.net
- Subject: Re: [Nbd] [PATCH] nbd-tester-client: analyse bad data using hash function huersistic
- From: Wouter Verhelst <w@...112...>
- Date: Thu, 9 Jun 2011 16:41:48 +0200
- Message-id: <20110609144148.GD6299@...510...>
- In-reply-to: <1307293212-13898-1-git-send-email-alex@...872...>
- References: <1307293212-13898-1-git-send-email-alex@...872...>
On Sun, Jun 05, 2011 at 06:00:12PM +0100, Alex Bligh wrote:
> The hash function used by the integrity test was designed specifically
> such that with < (2^32) blocks and < (2^32) read/write operations, it
> can accurately guess how the bad data returned was generated. This
> patch uses this huersistic to provide a guess as to what is wrong.
> EG if it prints out a correct block number but a bad sequence number,
> it is likely the server is disordering writes or has missed writes.
Applied, thanks.
--
The volume of a pizza of thickness a and radius z can be described by
the following formula:
pi zz a
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