[Cialug] disk write speed during transfer

[David Bierce]

I've used mbuffer http://www.maier-komor.de/mbuffer.html  like this 'dd
if=/dev/urandom | mbuffer > /dev/sdc' in the past for a visual output (and
occasionally when I want a buffer) but pipe viewer generally seems more
like what I mean :)

Also, depending on your need for randomness and your need for speed, you
might mean /dev/urandom was is much, much faster (but still slow compared
to /dev/zero) but has much less entropy.



On Sun, Dec 15, 2013 at 1:46 PM, Eric Junker <eric at eric.nu> wrote:

> The pv (pipe viewer) command might be useful for this.
> http://www.catonmat.net/blog/unix-utilities-pipe-viewer/
>
> Eric
>
> On 12/11/2013 12:54 PM, Kenneth Younger wrote:
>
>> I've got dd writing /dev/random to a disk.
>>
>> Is there any way to determine how fast data is being written to the disk
>> during this process?
>>
>> Thanks,
>> -Kenny
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