[Novalug] DD Command

[Igor Birman]

Would a RAID mirror work?  Not sure if you can have more than 2 devices in a mirrored array, but you can look at mdadm:

http://linux.die.net/man/8/mdadm

Igor



________________________________
From: Greg F <gregfaust at gmail.com>
To: novalug at calypso.tux.org
Sent: Tuesday, June 16, 2009 7:59:25 AM
Subject: [Novalug] DD Command


Does anyone know of a way to copy a single DD input file (disk) to multiple output files (disks) simultaneously?
 
I'm trying to avoid the read bottleneck by reading once and piping that to all of the writes.  I have a bunch of laptops from a training lab and this will save me a huge amount of time if it can be done.  I'm familiar with DD, netcat and SSH, but I only know how to pipe a single input file to a single output file.
Thanks,
Greg
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://calypso.tux.org/pipermail/novalug/attachments/20090616/eb105d29/attachment.html