dd as an imaging solution.
Sean Bryant
sean at cyberwang.net
Fri Feb 9 19:07:38 UTC 2007
John-Mark Gurney wrote:
> Antony Mawer wrote this message on Tue, Feb 06, 2007 at 17:04 +1100:
>> On 6/02/2007 1:47 PM, Sean Bryant wrote:
>>> Dominic Marks wrote:
>>>> Check out G4U (NetBSD based)
>>> The only problem I can see here is that multiple parallel reads will
>>> have serious performance impacts, thus greatly increasing the cloning of
>>> the disk.
>>>
>>> The solution with dd, tee and netcat would just daisy chain the copy
>>> across the network which would be way faster.
>> Now all you need is G4U to operate in a multicast manner like Symantec
>> Ghost Corporate Edition, and your transfer speed wouldn't reduce with
>> each additional client (eg. 100mbps for 1 client, 50mbps each for 2
>> clients, 33.3mbps each for 3 clients, ...)
>
> Add FEC to the multicast, and you can constantly stream the data, and
> not have to worry about dropped segments as much...
>
Can you explain this?
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