Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-10 Thread Jon Dowland
disclaimer: I have no interest in the future of reiserfs3 or 4 and I've never been a user of it (although I have tried it out once or twice). I personally feel that any concepts embedded within reiserfs that are worth salvaging would be better implemented in another code-base. On Sun, Mar 07,

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-10 Thread Michal
For an educated man you make many assumptions, many incorrectly. I didn't say the code was bad because Reiser is a bad man. I said one of the reasons I wouldn't use ReiserFS is because its author is a convicted murderer. This has nothing to do with code, but supporting the work of a

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-09 Thread Stan Hoeppner
thib put forth on 3/8/2010 5:10 PM: Stan Hoeppner wrote: I'm constantly Googling trying to find new ones. Apparently (and unfortunately), thoughtful, thorough, and fair comparative Linux filesytem benchmarking is a very rare hobby. :( Best thing to do would be to lurk on Phoronix until

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-09 Thread Angus Hedger
On Tue, Mar 9, 2010 at 8:07 PM, Stan Hoeppner s...@hardwarefreak.comwrote: thib put forth on 3/8/2010 5:10 PM: Stan Hoeppner wrote: I'm constantly Googling trying to find new ones. Apparently (and unfortunately), thoughtful, thorough, and fair comparative Linux filesytem benchmarking

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-08 Thread Eduardo M KALINOWSKI
On Dom, 07 Mar 2010, Stan Hoeppner wrote: Ron Johnson put forth on 3/7/2010 1:33 AM: AKA /argumentum ad Hitlerum/. Hitler was a vegetarian, so vegetarianism is wrong. It's probably very safe to say you just lost any respect you had on this list by using a Hitler analogy. The analogy wasn't

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-08 Thread Clive McBarton
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Stan Hoeppner wrote: http://www.debian-administration.org/articles/388 Based on all testing done for this benchmark essay, XFS appears to be the most appropriate filesystem to install on a file server for home or small-business needs : * It

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-08 Thread Stan Hoeppner
Clive McBarton put forth on 3/8/2010 3:29 PM: That benchmark/article is from 2006 though, and the references are from 2003 and 2006. The hard disks are PATA and slow (100 and 133). Are there any newer benchmarks? I'm constantly Googling trying to find new ones. Apparently (and

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-08 Thread thib
Stan Hoeppner wrote: I'm constantly Googling trying to find new ones. Apparently (and unfortunately), thoughtful, thorough, and fair comparative Linux filesytem benchmarking is a very rare hobby. :( Best thing to do would be to lurk on Phoronix until they release a new one. You can already

Re: [SOLVED] Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Eduardo M KALINOWSKI
On 03/07/2010 04:23 AM, Ron Johnson wrote: What *can* exist, maybe, are residual *fragments* (blocks or sectors, since the original inodes and index structures were wiped away by the mkfs) which a clever forensic technician could maybe piece back together, So, zeroing out the partition is a

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Boyd Stephen Smith Jr.
In 4b93556d.8070...@cox.net, Ron Johnson wrote: On 2010-03-06 21:11, Boyd Stephen Smith Jr. wrote: In 4b92a531.6090...@cox.net, Ron Johnson wrote: On 2010-03-06 09:41, Boyd Stephen Smith Jr. wrote: In 20100306015538.gp11...@wasteland.homelinux.net, Jochen Schulz wrote: Mark: [H]ow do I

Re: [SOLVED] Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread thib
Just to drop my two cents, since no one did before: Merely zeroing is not enough [1]. [1] http://en.wikipedia.org/wiki/Data_remanence -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org Archive:

Re: [SOLVED] Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Odd
thib wrote: Just to drop my two cents, since no one did before: Merely zeroing is not enough [1]. [1] http://en.wikipedia.org/wiki/Data_remanence And if you see the notes: http://www.nber.org/sys-admin/overwritten-data-guttman.html Since writing the above, I have noticed a comment

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Mark Allums
On 3/6/2010 11:20 PM, Stan Hoeppner wrote: Boyd Stephen Smith Jr. put forth on 3/6/2010 9:11 PM: If you are going to put reiserfs on a block device, it is not overly cautious to erase the block device, to avoid (reiserfsck --rebuild-tree) from performing necromancy. One more reason not to use

Re: [SOLVED] Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Mark Allums
On 3/7/2010 11:27 AM, thib wrote: Just to drop my two cents, since no one did before: Merely zeroing is not enough [1]. [1] http://en.wikipedia.org/wiki/Data_remanence If you are re-installing, zeros don't matter (with exception already noted of ReiserFS). If you are decommissioning,

Re: [SOLVED] Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread thib
Mark Allums wrote: If you are re-installing, zeros don't matter (with exception already noted of ReiserFS). Of course. If you are decommissioning, there is no substitute for an electric drill. Well, depends on who you're defending against. -thib -- To UNSUBSCRIBE, email to

Re: [SOLVED] Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Richard Hector
On Sun, 2010-03-07 at 18:42 -0600, Mark Allums wrote: If you are decommissioning, there is no substitute for an electric drill. What, just drill a hole in it? That will only affect a small part of the disk. I think our sysadmin team has a large log-splitting axe - much more satisfying :-) I'd

Re: [SOLVED] Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Ron Johnson
On 2010-03-07 19:21, Richard Hector wrote: On Sun, 2010-03-07 at 18:42 -0600, Mark Allums wrote: If you are decommissioning, there is no substitute for an electric drill. What, just drill a hole in it? That will only affect a small part of the disk. I think our sysadmin team has a large

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Stan Hoeppner
Ron Johnson put forth on 3/7/2010 1:33 AM: AKA /argumentum ad Hitlerum/. Hitler was a vegetarian, so vegetarianism is wrong. It's probably very safe to say you just lost any respect you had on this list by using a Hitler analogy. The analogy wasn't even relevant to boot. Hitler didn't create

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Stan Hoeppner
Mark Allums put forth on 3/7/2010 6:17 PM: ReiserFS is okay. *Was* okay. I wouldn't use it *now*.But I find it curious that your chosen alternative is XFS. Mark Allums Ext4 is usable, provided one doesn't ever need to rescue. Current live CDs don't support it well (or mdRAID,

Re: [SOLVED] Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Stan Hoeppner
Richard Hector put forth on 3/7/2010 7:21 PM: On Sun, 2010-03-07 at 18:42 -0600, Mark Allums wrote: If you are decommissioning, there is no substitute for an electric drill. What, just drill a hole in it? That will only affect a small part of the disk. I think our sysadmin team has a

OT by now: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Mark Allums
On 3/7/2010 7:40 PM, Ron Johnson wrote: On 2010-03-07 19:21, Richard Hector wrote: On Sun, 2010-03-07 at 18:42 -0600, Mark Allums wrote: If you are decommissioning, there is no substitute for an electric drill. What, just drill a hole in it? That will only affect a small part of the disk.

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Mark Allums
On 3/7/2010 8:46 PM, Stan Hoeppner wrote: Mark Allums put forth on 3/7/2010 6:17 PM: ReiserFS is okay. *Was* okay. I wouldn't use it *now*.But I find it curious that your chosen alternative is XFS. I find it interesting that you find my choice curious, given that you avoid the two

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Ron Johnson
On 2010-03-07 20:30, Stan Hoeppner wrote: Ron Johnson put forth on 3/7/2010 1:33 AM: AKA /argumentum ad Hitlerum/. Hitler was a vegetarian, so vegetarianism is wrong. It's probably very safe to say you just lost any respect you had on this list by using a Hitler analogy. The analogy wasn't

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Mark
I was just looking at the stats for this thread: 38 total replies (not counting the spinoff/individual replies), of which three were directly helpful responses (thank you Aioanei, Theirry and Bob) which led me to more specific Googling, which led to my ultimate solution. Have we lost our way a

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Mark Allums
On 3/7/2010 10:10 PM, Mark wrote: I was just looking at the stats for this thread: 38 total replies (not counting the spinoff/individual replies), of which three were directly helpful responses (thank you Aioanei, Theirry and Bob) which led me to more specific Googling, which led to my ultimate

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Stan Hoeppner
Ron Johnson put forth on 3/7/2010 9:18 PM: Hans Reiser is a Bad Man, ergo any code that Hans Reiser writes is Bad? That's so illogical, it makes ma think you're a Republicrat. For an educated man you make many assumptions, many incorrectly. I didn't say the code was bad because Reiser is a

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Stan Hoeppner
Mark Allums put forth on 3/7/2010 9:05 PM: Well, you undoubtedly have more experience than I with servers. JFS is dying. XFS *is not* suitable for desktops, you are correct. I don't know if it is or isn't suitable for desktops. It was the default FS on Irix desktop workstations for over a

[Taking off-list] Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Ron Johnson
On 2010-03-07 23:21, Stan Hoeppner wrote: Ron Johnson put forth on 3/7/2010 9:18 PM: Hans Reiser is a Bad Man, ergo any code that Hans Reiser writes is Bad? That's so illogical, it makes ma think you're a Republicrat. For an educated man you make many assumptions, many incorrectly. I

Re: [Taking off-list] Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Mark Allums
On 3/8/2010 12:47 AM, Ron Johnson wrote: On 2010-03-07 23:21, Stan Hoeppner wrote: Ron Johnson put forth on 3/7/2010 9:18 PM: Hans Reiser is a Bad Man, ergo any code that Hans Reiser writes is Bad? That's so illogical, it makes ma think you're a Republicrat. For an educated man you make

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Mark Allums
On 3/8/2010 12:43 AM, Stan Hoeppner wrote: Look into XFS for desktop use. You may be surprised at what is has to offer. I'm not saying jump right in, but at least do a little reading and see if it might be worth just testing for your uses. Okay. However, why doesn't Debian install it by

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-07 Thread Stan Hoeppner
Mark Allums put forth on 3/8/2010 1:05 AM: On 3/8/2010 12:43 AM, Stan Hoeppner wrote: Look into XFS for desktop use. You may be surprised at what is has to offer. I'm not saying jump right in, but at least do a little reading and see if it might be worth just testing for your uses.

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-06 Thread Osamu Aoki
Hi, On Fri, Mar 05, 2010 at 10:44:30PM -0600, Ron Johnson wrote: On 2010-03-05 22:14, Mark wrote: On Fri, Mar 5, 2010 at 5:55 PM, Jochen Schulz m...@well-adjusted.de wrote: Why do you think you need to blank the partition before installing lenny? There *are* reasons to do that, but they

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-06 Thread Ron Johnson
On 2010-03-06 03:07, Osamu Aoki wrote: Hi, On Fri, Mar 05, 2010 at 10:44:30PM -0600, Ron Johnson wrote: On 2010-03-05 22:14, Mark wrote: On Fri, Mar 5, 2010 at 5:55 PM, Jochen Schulz m...@well-adjusted.de wrote: Why do you think you need to blank the partition before installing lenny? There

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-06 Thread Boyd Stephen Smith Jr.
In 20100306015538.gp11...@wasteland.homelinux.net, Jochen Schulz wrote: Mark: I hope there is a simple answer to this question (fingers crossed): how do I overwrite an existing partition (hda2 for example) with all zeros (essentially blanking the partition clean in preparation for installing

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-06 Thread Ron Johnson
On 2010-03-06 09:41, Boyd Stephen Smith Jr. wrote: In 20100306015538.gp11...@wasteland.homelinux.net, Jochen Schulz wrote: Mark: I hope there is a simple answer to this question (fingers crossed): how do I overwrite an existing partition (hda2 for example) with all zeros (essentially blanking

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-06 Thread Stan Hoeppner
Osamu Aoki put forth on 3/6/2010 3:07 AM: As I understand, if you have sensitive data on harddisk, just doing mkfs only is not enough to erase them all. It overwrites very small portion of them. It certainly makes almost impossible to read them by most of us with limited time. Doing dd

[SOLVED] Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-06 Thread Mark
Bringing this thread to a close as I'm the OP: 1) Thanks to the people who actually provided help. 2) To the others, isn't one of the purposes of Linux to allow us to do what we want, how we want, when we want? I have a preference to blank hdd sectors with zeros before doing a new OS

Re: [SOLVED] Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-06 Thread Ron Johnson
On 2010-03-06 20:52, Mark wrote: Bringing this thread to a close as I'm the OP: 1) Thanks to the people who actually provided help. 2) To the others, isn't one of the purposes of Linux to allow us to do what we want, how we want, when we want? I have a preference to blank hdd sectors with

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-06 Thread Boyd Stephen Smith Jr.
In 4b92a531.6090...@cox.net, Ron Johnson wrote: On 2010-03-06 09:41, Boyd Stephen Smith Jr. wrote: In 20100306015538.gp11...@wasteland.homelinux.net, Jochen Schulz wrote: Mark: I hope there is a simple answer to this question (fingers crossed): how do I overwrite an existing partition (hda2

Re: [SOLVED] Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-06 Thread Mark
On Sat, Mar 6, 2010 at 7:11 PM, Ron Johnson ron.l.john...@cox.net wrote: [snip] We're allowed to question *spurious* justifications. If you'd have said for privacy concerns instead of fear of ghost/residual files, the response would have been markedly different. Interesting, so what is

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-06 Thread Stan Hoeppner
Boyd Stephen Smith Jr. put forth on 3/6/2010 9:11 PM: 1. Old installation using one of more reiserfs file systems. 2. Install Lenny without wiping; use one or more reiserfs file systems. 3. Worst-case scenario file system failure. 4. (reiserfsck --rebuild-tree) - Links files from the old file

Re: [SOLVED] Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-06 Thread Ron Johnson
On 2010-03-06 22:10, Mark wrote: On Sat, Mar 6, 2010 at 7:11 PM, Ron Johnson ron.l.john...@cox.net mailto:ron.l.john...@cox.net wrote: [snip] We're allowed to question *spurious* justifications. If you'd have said for privacy concerns instead of fear of ghost/residual files, the

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-06 Thread Ron Johnson
On 2010-03-06 21:11, Boyd Stephen Smith Jr. wrote: In 4b92a531.6090...@cox.net, Ron Johnson wrote: On 2010-03-06 09:41, Boyd Stephen Smith Jr. wrote: In 20100306015538.gp11...@wasteland.homelinux.net, Jochen Schulz wrote: Mark: I hope there is a simple answer to this question (fingers

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-06 Thread Ron Johnson
On 2010-03-06 23:20, Stan Hoeppner wrote: Boyd Stephen Smith Jr. put forth on 3/6/2010 9:11 PM: 1. Old installation using one of more reiserfs file systems. 2. Install Lenny without wiping; use one or more reiserfs file systems. 3. Worst-case scenario file system failure. 4. (reiserfsck

Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-05 Thread Mark
I hope there is a simple answer to this question (fingers crossed): how do I overwrite an existing partition (hda2 for example) with all zeros (essentially blanking the partition clean in preparation for installing Lenny), without destroying the partition table? I've used the shred command to

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-05 Thread Aioanei Rares
On 03/06/2010 01:09 AM, Mark wrote: I hope there is a simple answer to this question (fingers crossed): how do I overwrite an existing partition (hda2 for example) with all zeros (essentially blanking the partition clean in preparation for installing Lenny), without destroying the partition

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-05 Thread Mark
On Fri, Mar 5, 2010 at 3:13 PM, Aioanei Rares debian.dev.l...@gmail.comwrote: Something like dd if=/dev/null of=/dev/hda2 bs=4096 Thanks Aioanei, I'll give that a try. I know it's a dumb question I just don't want to get it wrong!

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-05 Thread Thierry Chatelet
On Saturday 06 March 2010 00:09:58 Mark wrote: I hope there is a simple answer to this question (fingers crossed): how do I overwrite an existing partition (hda2 for example) with all zeros (essentially blanking the partition clean in preparation for installing Lenny), without destroying the

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-05 Thread Mark
On Fri, Mar 5, 2010 at 3:23 PM, Thierry Chatelet tchate...@free.fr wrote: If I understand your question correctly; you want to keep your 200 Gb and do a new install.First question: are those 200 gb on a separated partition? If no, then you should save the music on a external drive, or

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-05 Thread Ron Johnson
On 2010-03-05 17:36, Mark wrote: On Fri, Mar 5, 2010 at 3:23 PM, Thierry Chatelet tchate...@free.fr wrote: If I understand your question correctly; you want to keep your 200 Gb and do a new install.First question: are those 200 gb on a separated partition? If no, then you should save the

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-05 Thread Thierry Chatelet
On Saturday 06 March 2010 00:36:31 Mark wrote: On Fri, Mar 5, 2010 at 3:23 PM, Thierry Chatelet tchate...@free.fr wrote: If I understand your question correctly; you want to keep your 200 Gb and do a new install.First question: are those 200 gb on a separated partition? If no,

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-05 Thread Bob McGowan
Mark wrote: On Fri, Mar 5, 2010 at 3:13 PM, Aioanei Rares debian.dev.l...@gmail.com mailto:debian.dev.l...@gmail.com wrote: Something like dd if=/dev/null of=/dev/hda2 bs=4096 Yes, with emphasis on something like ;) /dev/null would return an immediate EOF: 0+0 records in 0+0

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-05 Thread Jochen Schulz
Mark: I hope there is a simple answer to this question (fingers crossed): how do I overwrite an existing partition (hda2 for example) with all zeros (essentially blanking the partition clean in preparation for installing Lenny), without destroying the partition table? Why do you think you

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-05 Thread Mark
On Fri, Mar 5, 2010 at 5:55 PM, Jochen Schulz m...@well-adjusted.de wrote: Why do you think you need to blank the partition before installing lenny? There *are* reasons to do that, but they have nothing to do with the installation of a new OS. Just a habit I've acquired over the years - I

Re: Overwrite existing partition with zeros without hurting partition table? (Debian Lenny)

2010-03-05 Thread Ron Johnson
On 2010-03-05 22:14, Mark wrote: On Fri, Mar 5, 2010 at 5:55 PM, Jochen Schulz m...@well-adjusted.de wrote: Why do you think you need to blank the partition before installing lenny? There *are* reasons to do that, but they have nothing to do with the installation of a new OS. Just a habit