Full Discussion: Create a raw partition
Top Forums UNIX for Dummies Questions & Answers Create a raw partition Post 302876368 by Siavash sh on Saturday 23rd of November 2013 12:16:57 PM
Create a raw partition

Hi,
I had created a primary partition (/dev/sda3) and made ext3 file system on it.
then mounted it on a directory and touch a file (x) into this partition.

however, I want to remove this partition and recreate it as an empty partition. so I used 'd' in fdisk command and delete that partition. But, when I create a new partition, after mounting, there was that file (x) into the new partition. although I don't recreate the file system.

rebooting the OS and removing /dev/sda3 and create this partition as /dev/sda4 does not solve this problem. How can I create a raw partition again? how can I remove the file system over the partition? is there any command like 'rmsf' (as exists in HP-UX) ?

OS: RHEL5.5
Platform: vmware
 
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KPARTX(8)                                                  Linux Administrator's Manual                                                  KPARTX(8)

NAME
kpartx - Create device maps from partition tables SYNOPSIS
kpartx [-a | -d | -l] [-v] wholedisk DESCRIPTION
This tool, derived from util-linux' partx, reads partition tables on specified device and create device maps over partitions segments detected. It is called from hotplug upon device maps creation and deletion. OPTIONS
-a Add partition mappings -r Readonly partition mappings -r Read-only partition mappings -d Delete partition mappings -u Update partition mappings -l List partition mappings that would be added -a -p set device name-partition number delimiter -f force creation of mappings; overrides 'no_partitions' feature -g force GUID partition table (GPT) -v Operate verbosely -s Sync mode. Don't return until the partitions are created EXAMPLE
To mount all the partitions in a raw disk image: kpartx -av disk.img This will output lines such as: loop3p1 : 0 20964762 /dev/loop3 63 The loop3p1 is the name of a device file under /dev/mapper which you can use to access the partition, for example to fsck it: fsck /dev/mapper/loop3p1 When you're done, you need to remove the devices: kpartx -d disk.img SEE ALSO
multipath(8) multipathd(8) hotplug(8) AUTHORS
This man page was assembled By Patrick Caulfield for the Debian project. From documentation provided by the multipath author Christophe Varoqui, <christophe.varoqui@opensvc.com> and others. July 2006 KPARTX(8)

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