[ale] writing to tape

Greg Freemyer greg.freemyer at gmail.com
Mon Feb 1 09:51:19 EST 2010


What's your command line including pipes.

I find having dd read from a pipe requires the lack of noerror,sync.

Greg


On 2/1/10, Geoffrey <lists at serioustechnology.com> wrote:
> Greg Freemyer wrote:
>> Bad news if this is dd.
>>
>> N+m records in
>>
>> N - blocks read succesfully
>> M - partial blocks read + plus failed blocks read
>>
>> Similar for output.
>>
>> My guess is your data source is not keeping up with your output.  I
>> think it is conv equal noerror,sync that causes dd not to wait on
>> partial reads and instead to zero out partial buffers.
>
> So does that mean my data on the tape is not valid???
>
>>
>> Greg
>>
>>
>> On 2/1/10, Geoffrey <lists at serioustechnology.com> wrote:
>>> When writing to tape, I see the following:
>>>
>>> 4204276+2204423 records in
>>> 4204276+2204423 records out
>>>
>>> What do those two numbers represent?  I'm assuming they are related the
>>> the amount of data written, but google has not been my friend this
>>> morning.
>>>
>>> --
>>> Until later, Geoffrey
>>>
>>> "I predict future happiness for America if they can prevent
>>> the government from wasting the labors of the people under
>>> the pretense of taking care of them."
>>> - Thomas Jefferson
>>> _______________________________________________
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>>> Ale at ale.org
>>> http://mail.ale.org/mailman/listinfo/ale
>>> See JOBS, ANNOUNCE and SCHOOLS lists at
>>> http://mail.ale.org/mailman/listinfo
>>>
>>
>
>
> --
> Until later, Geoffrey
>
> "I predict future happiness for America if they can prevent
> the government from wasting the labors of the people under
> the pretense of taking care of them."
> - Thomas Jefferson
> _______________________________________________
> Ale mailing list
> Ale at ale.org
> http://mail.ale.org/mailman/listinfo/ale
> See JOBS, ANNOUNCE and SCHOOLS lists at
> http://mail.ale.org/mailman/listinfo
>

-- 
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Greg Freemyer
Head of EDD Tape Extraction and Processing team
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http://www.linkedin.com/in/gregfreemyer
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