disk-partitioning

Goal I'm porting a filesystem to Windows, and am writing a more Windows-like interface for the mounter executable. Part of this process is letting the user locate a partition and pick a drive letter. Ultimately the choice of partition has to result in something I can open using CreateFile() , open() , fopen() or similar. Leads Windows seems to revolve around the concept of volumes, which don't seem quite analogous to disks, and only occur for already mounted filesystems. Promising leads I've had include: IOCTL_DISK_GET_DRIVE_LAYOUT_EX Physical Disks and Volumes Displaying Volume Paths However

there is a way to create/delete disk partitions via WMI ? I'm already able to mount/unmount virtual disks (vhd) and list their partitions. As far as I know, there is no way to create/delete partitions in WMI. You may want to look into the Shell Functions 来源： https://stackoverflow.com/questions/2456768/create-delete-disk-partitions-via-wmi

I would like to create a multi-plattform utility to format / erase memory sticks, disks, etc. Is it possible to do this in Java? Or do I need to call native methods for each operational system plattform? disrvptor It is very system specific, there is no universal way to perform this. Your options are Create a JNI library to perform this using system calls Write a wrapper class around utilities that perform this operation (for example, capture stdout and give inputs to stdin for an external process) Use OS-specific techniques (as previously mentioned) to zero out devices Use something like

I have those partitions (in Windows) for example: Hard Disk 1 - Partition C, Partition D Hard Disk 2 - Partition E Is there any way in a program language to know if for example partition C and partition D are in one physical hard disk without WMI ? I don't want to use WMI because it's slow - for this example, it took for me 0.5 seconds. I need it to be fast. Thank you. I don't know of any other managed way to get disk partition information. You may use the Win32 API using P/Invoke from C#. However, you shouldn't unless it's absolutely necessary. The Win32 function you'll need is called

i created my EC2 Machine using Community Image of Centos 6.3 x64. i have added a 35 GB disk. Now when i do #df -h Filesystem Size Used Avail Use% Mounted on /dev/xvda1 7.9G 1.2G 6.4G 16% / tmpfs 7.3G 0 7.3G 0% /dev/shm my disk is 35GB but its showing 8 GB in root and 7 as tmpfs. i tried to use resize2fs but it didnt work on centos. disk has ext4 partation.. # resize2fs /dev/xvda resize2fs 1.41.12 (17-May-2010) resize2fs: Device or resource busy while trying to open /dev/xvda Couldn't find valid filesystem superblock. or even if i tried resize2fs /dev/xvda1 it says device has nothing to do. any

Is there a Linux command to easily find out which partition/mount a directory or file is on? (This is probably a RTM question, and I feel guilty for asking it, but somehow, I can't find a good answer on google just yet..) df -P file/goes/here | tail -1 | cut -d' ' -f 1 来源： https://stackoverflow.com/questions/3274354/how-to-find-out-mount-partition-a-directory-or-file-is-on-linux-server