Re: [Nbd] Exporting block-devices an copyonwrite
- To: Wouter Verhelst <w@...112...>
- Cc: nbd-general@lists.sourceforge.net
- Subject: Re: [Nbd] Exporting block-devices an copyonwrite
- From: Wilhelm <wilhelm.meier@...89...>
- Date: Tue, 02 Nov 2010 10:48:56 +0100
- Message-id: <4CCFDE88.4090705@...89...>
- Reply-to: wilhelm.meier@...89...
- In-reply-to: <20101102094309.GI4168@...510...>
- References: <4CCD366E.8020407@...89...> <20101102094309.GI4168@...510...>
Am 02.11.2010 10:43, schrieb Wouter Verhelst:
> On Sun, Oct 31, 2010 at 10:27:10AM +0100, Wilhelm wrote:
>
>> Hi all,
>>
>> a simple question: if I export a block-device, e.g. say /dev/sdd1 and
>> set copyonwrite = true, where are the cow-files placed in the filesystem?
>>
> Right next to the original file.
For example above, will I get a regular file
/dev/sdd1-192.168.1.1-1234.diff ?
> There's currently no way to change
> that, though I've had people ask me to make that possible.
>
If the above is true, this would be extremly helpful.
> The name would be "/export/file-192.168.1.1-1123.diff", if the client is
> 192.168.1.1, the file exported /export/file, and the PID of the server
> doing the export is 1123.
>
>
--
Wilhelm
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