Re: Subject: OT: LUKS encryption -- block by block, file by file, or "one big lump"

2023-03-10 Thread Nicolas George
Bottenberg, Michael (12023-03-10): > > Of course not. [...] > Quite the contrary. Indeed, this bit is backward in my mail. Sorry. Regards, -- Nicolas George

Re: Subject: OT: LUKS encryption -- block by block, file by file, or "one big lump"

2023-03-10 Thread Bottenberg, Michael
On 2023-03-09 22:16 Nicolas George wrote: rhkra...@gmail.com (12023-03-08): * can files in the LUKS partition other than the one with the one block corrupted be read correctly? * assuming the file with the corrupted block is bigger than one block, can the other parts of the file (not in

Re: Subject: OT: LUKS encryption -- block by block, file by file, or "one big lump"

2023-03-10 Thread rhkramer
On Friday, March 10, 2023 02:54:39 AM Nicolas George wrote: > rhkra...@gmail.com (12023-03-09): > > Didn't you mean "of course"? > > I meant the rest of the paragraph and the ones after that. Ahh, ok.

Re: Subject: OT: LUKS encryption -- block by block, file by file, or "one big lump"

2023-03-09 Thread Nicolas George
rhkra...@gmail.com (12023-03-09): > Didn't you mean "of course"? I meant the rest of the paragraph and the ones after that. > If you reply: snip, snip, and snip again Please apply good mail hygiene to what you send yourself. Signatures are max four lines. -- Nicolas George

Re: Subject: OT: LUKS encryption -- block by block, file by file, or "one big lump"

2023-03-09 Thread rhkramer
On Thursday, March 09, 2023 04:16:14 PM Nicolas George wrote: > rhkra...@gmail.com (12023-03-08): > > The question: Suppose disk corruption corrupts one block in the data > > storage area of a LUKS partition / filesystem (I'm not asking about > > corruption in the headers or some other area of "me

Re: Subject: OT: LUKS encryption -- block by block, file by file, or "one big lump"

2023-03-09 Thread rhkramer
On Thursday, March 09, 2023 04:03:20 PM David Christensen wrote: > I believe I changed a byte somewhere in the middle of file blocks on > disk using dd(1) and then I saw a bad byte somewhere in the middle of > the file with less(1). > > > I suggest that you repeat the experiment. Just going thro

Re: Subject: OT: LUKS encryption -- block by block, file by file, or "one big lump"

2023-03-09 Thread Nicolas George
rhkra...@gmail.com (12023-03-08): > The question: Suppose disk corruption corrupts one block in the data storage > area of a LUKS partition / filesystem (I'm not asking about corruption in the > headers or some other area of "metadata"). In the case of one block of > corruption in the data sto

Re: Subject: OT: LUKS encryption -- block by block, file by file, or "one big lump"

2023-03-09 Thread David Christensen
On 3/9/23 06:53, rhkra...@gmail.com wrote: Thanks to all who replied -- two clarifications requested below: On Wednesday, March 08, 2023 09:45:33 PM David Christensen wrote: ... A few years ago, I did a "bit rot" experiment. Thanks for doing that experiment! ... I wiped a disk, applied a p

Re: Subject: OT: LUKS encryption -- block by block, file by file, or "one big lump"

2023-03-09 Thread rhkramer
Thanks to all who replied -- two clarifications requested below: On Wednesday, March 08, 2023 09:45:33 PM David Christensen wrote: ... > A few years ago, I did a "bit rot" experiment. Thanks for doing that experiment! ... > I wiped a disk, applied > a partitioning scheme, created a partition,

Re: Subject: OT: LUKS encryption -- block by block, file by file, or "one big lump"

2023-03-08 Thread David Christensen
On 3/8/23 07:20, rhkra...@gmail.com wrote: I am curious about the integrity of LUKS (that is, the ability to preserve data in the event of corruption on the disk or such). Aside: I know that backups are a solution / requirement (and I have some (well, one, atm)), and I know that there is the abi

Re: Subject: OT: LUKS encryption -- block by block, file by file, or "one big lump"

2023-03-08 Thread Linux-Fan
to...@tuxteam.de writes: On Wed, Mar 08, 2023 at 10:20:09AM -0500, rhkra...@gmail.com wrote: > I am curious about the integrity of LUKS (that is, the ability to preserve > data in the event of corruption on the disk or such). [...] >* can files in the LUKS partition other than the one wi

Re: Subject: OT: LUKS encryption -- block by block, file by file, or "one big lump"

2023-03-08 Thread tomas
On Wed, Mar 08, 2023 at 10:20:09AM -0500, rhkra...@gmail.com wrote: > I am curious about the integrity of LUKS (that is, the ability to preserve > data in the event of corruption on the disk or such). > > Aside: I know that backups are a solution / requirement (and I have some > (well, one, atm)

Subject: OT: LUKS encryption -- block by block, file by file, or "one big lump"

2023-03-08 Thread rhkramer
I am curious about the integrity of LUKS (that is, the ability to preserve data in the event of corruption on the disk or such). Aside: I know that backups are a solution / requirement (and I have some (well, one, atm)), and I know that there is the ability to backup (and restore) the LUKS head