Re: [CentOS] erase disk

2013-09-29 Thread Ljubomir Ljubojevic
On 09/28/2013 04:14 PM, David G. Miller wrote: > Steve Thompson writes: > >> >> On Thu, 26 Sep 2013, Bret Taylor wrote: >> >>> A fairly simple solution is >>> dd if=/dev/zero (or urandom) of=/dev/(device) >> >> I usually hit the disk with a hammer. Satisfying >> >> -s >> > I run badblocks in write

Re: [CentOS] erase disk

2013-09-28 Thread Phil Dobbin
On 28/09/13 16:35, Phil Dobbin wrote: > On 26/09/13 20:33, John R Pierce wrote: >> On 9/26/2013 11:30 AM, Phil Dobbin wrote: >>> I have a CentOS server (a Dell 860) with two drives in it. >>> >>> One is running CentOS 6.4 which I want to keep & the bigger 400GB drive >>> has Debian 7 on it which I

Re: [CentOS] erase disk

2013-09-28 Thread Phil Dobbin
On 26/09/13 20:33, John R Pierce wrote: > On 9/26/2013 11:30 AM, Phil Dobbin wrote: >> I have a CentOS server (a Dell 860) with two drives in it. >> >> One is running CentOS 6.4 which I want to keep & the bigger 400GB drive >> has Debian 7 on it which I want to erase & use for backups. >> >> Which

Re: [CentOS] erase disk

2013-09-28 Thread David G . Miller
Steve Thompson writes: > > On Thu, 26 Sep 2013, Bret Taylor wrote: > > > A fairly simple solution is > > dd if=/dev/zero (or urandom) of=/dev/(device) > > I usually hit the disk with a hammer. Satisfying > > -s > I run badblocks in write mode on the drive. badblbocks does four passes (all

Re: [CentOS] erase disk

2013-09-27 Thread John R Pierce
On 9/27/2013 7:05 AM, m.r...@5-cent.us wrote: >> At a former place of employment we would simply not leave hard drives in >> >servers or desktops that were intended to be recycled or junked. The hard >> >drives got disposed of separately (in this case crushed with a hydraulic >> >wedge). > Hah! Wh

Re: [CentOS] erase disk

2013-09-27 Thread John Doe
From: Steve Thompson > On Thu, 26 Sep 2013, Bret Taylor wrote: > I usually hit the disk with a hammer. Satisfying :-) I disassemble the drives... I keep the shiny platters to scare birds or make sculptures, and I play with the magnets! JD ___ CentOS

Re: [CentOS] erase disk

2013-09-27 Thread m . roth
Nicolas Thierry-Mieg wrote: > mark wrote: >> On 09/26/13 18:32, Bret Taylor wrote: >>> Paul Heinlein wrote: On Thu, 26 Sep 2013, SilverTip257 wrote: > Eh, I don't really think dban is necessary. Probably more than an > fdisk and creating a file system is overkill. My p

Re: [CentOS] erase disk

2013-09-27 Thread m . roth
SilverTip257 wrote: > On Fri, Sep 27, 2013 at 7:11 AM, mark wrote: >> On 09/26/13 18:32, Bret Taylor wrote: >> > Paul Heinlein wrote: >> >> >> I've never seen the need for a seven-pass randomization. If pressed, >> >> I'd probably agree that a one-pass zeroing is good enough for just >> >> about

Re: [CentOS] erase disk

2013-09-27 Thread Nicolas Thierry-Mieg
mark wrote: > On 09/26/13 18:32, Bret Taylor wrote: >> Paul Heinlein wrote: >>> On Thu, 26 Sep 2013, SilverTip257 wrote: >>> Eh, I don't really think dban is necessary. Probably more than an fdisk and creating a file system is overkill. >>> >>> My policies are work are simple: >>> >>>

Re: [CentOS] erase disk

2013-09-27 Thread SilverTip257
On Fri, Sep 27, 2013 at 7:11 AM, mark wrote: > On 09/26/13 18:32, Bret Taylor wrote: > > Paul Heinlein wrote: > > >> I've never seen the need for a seven-pass randomization. If pressed, > >> I'd probably agree that a one-pass zeroing is good enough for just > >> about any situation. Asset retire

Re: [CentOS] erase disk

2013-09-27 Thread mark
On 09/26/13 18:32, Bret Taylor wrote: > Paul Heinlein wrote: >> On Thu, 26 Sep 2013, SilverTip257 wrote: >> >>> Eh, I don't really think dban is necessary. Probably more than an >>> fdisk and creating a file system is overkill. >> >> My policies are work are simple: >> >> 1. Re-use by same empl

Re: [CentOS] erase disk

2013-09-26 Thread Steve Thompson
On Thu, 26 Sep 2013, Bret Taylor wrote: > A fairly simple solution is > dd if=/dev/zero (or urandom) of=/dev/(device) I usually hit the disk with a hammer. Satisfying :-) -s ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/list

Re: [CentOS] erase disk

2013-09-26 Thread Bret Taylor
Paul Heinlein wrote: >On Thu, 26 Sep 2013, SilverTip257 wrote: > >> Eh, I don't really think dban is necessary. Probably more than an >> fdisk and creating a file system is overkill. > >My policies are work are simple: > > 1. Re-use by same employee: stick with filesystem tools. > 2. Re-use wi

Re: [CentOS] erase disk

2013-09-26 Thread Paul Heinlein
On Thu, 26 Sep 2013, SilverTip257 wrote: Eh, I don't really think dban is necessary. Probably more than an fdisk and creating a file system is overkill. My policies are work are simple: 1. Re-use by same employee: stick with filesystem tools. 2. Re-use within company: single-pass zeroing o

Re: [CentOS] erase disk

2013-09-26 Thread SilverTip257
On Thu, Sep 26, 2013 at 3:47 PM, Paul Heinlein wrote: > On Thu, 26 Sep 2013, m.r...@5-cent.us wrote: > > Burn a DBAN disk [] >>> >> >> Then put the dban disk on the shelf over your desk [...] >> > Eh, I don't really think dban is necessary. Probably more than an fdisk and creating a file sy

Re: [CentOS] erase disk

2013-09-26 Thread Paul Heinlein
On Thu, 26 Sep 2013, m.r...@5-cent.us wrote: Burn a DBAN disk [] Then put the dban disk on the shelf over your desk [...] Then make it available via PXE, though with a DANGER warning in your PXE menu :-). -- Paul Heinlein heinl...@madboa.com 45°38' N, 122°6' W_

Re: [CentOS] erase disk

2013-09-26 Thread zGreenfelder
On Thu, Sep 26, 2013 at 3:33 PM, John R Pierce wrote: > On 9/26/2013 11:30 AM, Phil Dobbin wrote: > > I have a CentOS server (a Dell 860) with two drives in it. > > > > One is running CentOS 6.4 which I want to keep & the bigger 400GB drive > > has Debian 7 on it which I want to erase & use for b

Re: [CentOS] erase disk

2013-09-26 Thread John R Pierce
On 9/26/2013 11:30 AM, Phil Dobbin wrote: > I have a CentOS server (a Dell 860) with two drives in it. > > One is running CentOS 6.4 which I want to keep & the bigger 400GB drive > has Debian 7 on it which I want to erase & use for backups. > > Which is the best way to go about achieving my intende

Re: [CentOS] erase disk

2013-09-26 Thread m . roth
Please don't top post. Bret Taylor wrote: > m.r...@5-cent.us wrote: >>Bret Taylor wrote: >>> Phil Dobbin wrote: I have a CentOS server (a Dell 860) with two drives in it. One is running CentOS 6.4 which I want to keep & the bigger 400GB >>drive has Debian 7 on it which I want to eras

Re: [CentOS] erase disk

2013-09-26 Thread Bret Taylor
Better safe than sorry. Even if people think it's "overkill". There's paranoid, and then there's best practice; in my mind they're one in the same. m.r...@5-cent.us wrote: >Bret Taylor wrote: >> Phil Dobbin wrote: >>> >>>I have a CentOS server (a Dell 860) with two drives in it. >>>One is runnin

Re: [CentOS] erase disk

2013-09-26 Thread m . roth
Bret Taylor wrote: > Phil Dobbin wrote: >> >>I have a CentOS server (a Dell 860) with two drives in it. >>One is running CentOS 6.4 which I want to keep & the bigger 400GB drive >>has Debian 7 on it which I want to erase & use for backups. >>Which is the best way to go about achieving my intended

Re: [CentOS] erase disk

2013-09-26 Thread Bret Taylor
Burn a DBAN disk. Shutdown, pull out the drive you want to keep. Boot to the dban disk, when prompted type autonuke, wait for the process to complete. Shutdown, reinsert the centos drive you wanted to keep. You will now have your centos main drive, and a blank backup disk. You'll need to run mkf

[CentOS] erase disk

2013-09-26 Thread Phil Dobbin
Hi. I have a CentOS server (a Dell 860) with two drives in it. One is running CentOS 6.4 which I want to keep & the bigger 400GB drive has Debian 7 on it which I want to erase & use for backups. Which is the best way to go about achieving my intended goal? The Debian drive is not mounted when