All Questions
9
questions
0
votes
1
answer
2k
views
Searching for strings in a dd image, extracting data from it
I am trying to recover the contents of a text file that became corrupt following a power outage. The file size is still correct (14 MB), but the text in the lower half of it has been replaced by ...
30
votes
3
answers
159k
views
GPT PMBR Size Mismatch will be corrected by w(rite)
Linux gives error "GPT PMBR size mismatch will be corrected by w(rite)."
The error message is far from self-explanatory. Does this mean that Linux will (attempt to) resize the GPT partition ...
2
votes
1
answer
1k
views
Reading a file using LBA addressing
Is it possible to read/execute files/programs using the LBA addressing rather than the file system location?
For example can I execute /bin/sh using the LBA sector locations of it obtained using ...
0
votes
1
answer
6k
views
How do I determine what is the best block size for a 960 PRO M.2?
I have a Samsung NVMe SSD 960 PRO M.2.
I was in the process of installing Gentoo on it. gparted notified me that the physical block size, is different than what the kernel reports. I thought the ...
0
votes
2
answers
1k
views
Partition Hard disk with start sector 1
I have a new Hard Disk which I want to use for NAS drive. The requirement is that the partition as seen in fdisk should be as below.
Device Boot Start End Blocks Id System
/...
0
votes
1
answer
5k
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Partitioning an SSD with sfdisk
I have been trying to partition this SSD (Samsung 840) nicely for a while now. I want to make sure the pages line up with the SSD pages to limit the amount of writes. I found this site which ...
13
votes
2
answers
7k
views
What does the output of fdisk mean?
I've got a flash drive and I want to understand the properties of it as is outputted from fdisk. I inserted it and check the dmesg and I could see that it was mounted as /dev/sdb1 so I ran fdisk to ...
8
votes
2
answers
7k
views
NTFS; marking sectors bad using Linux
I have a massive ZFS array on my fileserver. Whenever a disk reports bad sectors to smartmon, I order a replacement, and I shelve the failing one.
And by "shelving the failing one", I mean that I ...
5
votes
2
answers
1k
views
4k Sectors: Which Drives Don't Lie About Having 512b Sectors and Correctly Report 4k Sectors?
I recently returned a Western Digital WD20EARS drive with 4k sectors (Western Digital refers to this as "advanced format"), because I found out that it lies and reports 512b sectors to the OS, and ...