Re: dd command can't get the same uuid

2012-08-06 Thread Camaleón
El 2012-08-05 a las 17:47 -0700, Fnzh Xx escribió: (sending back to the list) > On Sun, 05 Aug 2012 02:28:22 -0700, Fnzh Xx wrote: > > (please, no html posts, thanks) > > > root@debian:/home/tiger# dd  if=/dev/sda  of=/dev/sdb  bs=10240k > > 11447+1 records in > > 11447+1 records out > > 12003

Re: dd command can't get the same uuid

2012-08-06 Thread Tom H
On Mon, Aug 6, 2012 at 12:50 AM, Bob Proulx wrote: > Fnzh Xx wrote: >> >> root@debian:/home/tiger# dd if=/dev/sda of=/dev/sdb bs=10240k >> 11447+1 records in >> 11447+1 records out >> 120034123776 bytes (120 GB) copied, 4729.59 s, 25.4 MB/s >> root@debian:/home/tiger# blkid >> ... >> why /dev/s

Re: dd command can't get the same uuid

2012-08-06 Thread Martin Steigerwald
Am Montag, 6. August 2012 schrieb Bob Proulx: > Fnzh Xx wrote: > > root@debian:/home/tiger# dd if=/dev/sda of=/dev/sdb bs=10240k > > 11447+1 records in > > 11447+1 records out > > 120034123776 bytes (120 GB) copied, 4729.59 s, 25.4 MB/s > > root@debian:/home/tiger# blkid > > ... > > why /dev/sda

Re: dd command can't get the same uuid

2012-08-05 Thread Bob Proulx
Fnzh Xx wrote: > root@debian:/home/tiger# dd if=/dev/sda of=/dev/sdb bs=10240k > 11447+1 records in > 11447+1 records out > 120034123776 bytes (120 GB) copied, 4729.59 s, 25.4 MB/s > root@debian:/home/tiger# blkid > ... > why /dev/sda6 uuid don't equal /dev/sdb6 uuid? I expect the kernel cached

Re: dd command can't get the same uuid

2012-08-05 Thread Camaleón
On Sun, 05 Aug 2012 02:28:22 -0700, Fnzh Xx wrote: (please, no html posts, thanks) > root@debian:/home/tiger# dd if=/dev/sda of=/dev/sdb bs=10240k > 11447+1 records in > 11447+1 records out > 120034123776 bytes (120 GB) copied, 4729.59 s, 25.4 MB/s > root@debian:/home/tiger# blkid (...) > /de

Re: DD command

2008-12-19 Thread Robert Holtzman
On Fri, 19 Dec 2008, rjubio wrote: How long does a dd command take for an 80 GB IDE hd? Would you believe 300Gb took 11.5 hours? -- Bob Holtzman "The person who says it cannot be done should not interrupt the person doing it." -blatantly plagiarized - -- To UNSUBSCRIBE, email to debia

Re: DD command

2008-12-19 Thread Sven Joachim
On 2008-12-19 16:53 +0100, rjubio wrote: > Sven Joachim wrote: >> On 2008-12-19 07:36 +0100, rjubio wrote: >> >> >>> How long does a dd command take for an 80 GB IDE hd? >>> >> >> Not long ago I zeroed out the disk of my old machine because I wanted to >> sell it, and that took 80 GB /(53

Re: DD command

2008-12-19 Thread Bob Cox
On Fri, Dec 19, 2008 at 08:52:00 -0500, Douglas A. Tutty (dtu...@vianet.ca) wrote: > On Fri, Dec 19, 2008 at 02:36:45PM +0800, rjubio wrote: > > How long does a dd command take for an 80 GB IDE hd? > > You could use hdparm testing to get the unbuffered speed and then do the > math. Thank you f

Re: DD command

2008-12-19 Thread Douglas A. Tutty
On Fri, Dec 19, 2008 at 11:53:44PM +0800, rjubio wrote: > Sven Joachim wrote: > >On 2008-12-19 07:36 +0100, rjubio wrote: > > > >>How long does a dd command take for an 80 GB IDE hd? > > > >Not long ago I zeroed out the disk of my old machine because I wanted to > >sell it, and that took 80 GB /(

Re: DD command

2008-12-19 Thread rjubio
Sven Joachim wrote: On 2008-12-19 07:36 +0100, rjubio wrote: How long does a dd command take for an 80 GB IDE hd? Not long ago I zeroed out the disk of my old machine because I wanted to sell it, and that took 80 GB /(53 MiB/s) = 25 minutes. Sven I dont get it. I've been getting

Re: DD command

2008-12-19 Thread elijah rutschman
On Fri, Dec 19, 2008 at 12:36 AM, rjubio wrote: > How long does a dd command take for an 80 GB IDE hd? I've found that setting a higher blocksize (using the bs= parameter) makes dd go much faster. I usually set the blocksize to about 50 megabytes, depending on available RAM. Regards, Elijah -

Re: DD command

2008-12-19 Thread Douglas A. Tutty
On Fri, Dec 19, 2008 at 02:36:45PM +0800, rjubio wrote: > How long does a dd command take for an 80 GB IDE hd? You could use hdparm testing to get the unbuffered speed and then do the math. It also depends if you're doing anything with the other drive on that IDE channel. I.e. dd from one to the

Re: DD command

2008-12-19 Thread Sven Joachim
On 2008-12-19 07:36 +0100, rjubio wrote: > How long does a dd command take for an 80 GB IDE hd? Not long ago I zeroed out the disk of my old machine because I wanted to sell it, and that took 80 GB /(53 MiB/s) = 25 minutes. Sven -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org

Re: DD command

2008-12-19 Thread Sven Joachim
On 2008-12-19 07:56 +0100, Juha Tuuna wrote: > rjubio wrote: >> How long does a dd command take for an 80 GB IDE hd? > > It depends on your hardware, are you writing or reading and other possible I/O > on that disk. On a laptop I got 3MiB/s on average. You do the math. Seems like the disk was in

Re: DD command

2008-12-19 Thread rjubio
Juha Tuuna wrote: rjubio wrote: How long does a dd command take for an 80 GB IDE hd? It depends on your hardware, are you writing or reading and other possible I/O on that disk. On a laptop I got 3MiB/s on average. You do the math. Does the IDE or SATA setting of the hd affect the

Re: DD command

2008-12-19 Thread Owen Townend
2008/12/19 rjubio : > How long does a dd command take for an 80 GB IDE hd? > > > -- > To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject > of "unsubscribe". Trouble? Contact listmas...@lists.debian.org > > Hey, As a tangent to the question, try running it in the backgrou

Re: DD command

2008-12-18 Thread Juha Tuuna
rjubio wrote: > How long does a dd command take for an 80 GB IDE hd? It depends on your hardware, are you writing or reading and other possible I/O on that disk. On a laptop I got 3MiB/s on average. You do the math. -- Juha Tuuna -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.or

Re: DD command

2008-12-18 Thread Daniel Dalton
I seemed to remember it showing me progress, but I think my 40 gb took about half an hour. It was a while ago, so I dunno... Cheers, Daniel On Fri, Dec 19, 2008 at 02:36:45PM +0800, rjubio wrote: > How long does a dd command take for an 80 GB IDE hd? > > > -- > To UNSUBSCRIBE, email to debian-