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Questions tagged [sparseimage]

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2 answers
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How can I create a scenario to test zerofree?

What I am doing I am studying the filesystem image sparse tool: zerofree. I imagine the steps to create the scenario should be that: create a file system image. use some way to fill it. clear it, but ...
metaphor's user avatar
2 votes
1 answer
8k views

What is LUKS and LVM2 PV in Gnome-Disk?

After a standard installation of Linux Mint Debian Edition 4, this is how the hard drive is partitioned according to gnome-disk: Ext4 is the standard file system for current Linux systems AFAIK. But ...
david's user avatar
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6 votes
1 answer
2k views

How to create sparse, bootable Linux backup images?

I've set up a new Linux workstation and would like to create a backup image in order to save time in case something breaks. This is the situation: Workstation: 512 GB SSD, 12 GB used, ext4 file ...
david's user avatar
  • 337
0 votes
2 answers
2k views

virt-sparsify doesn't reduce image size

I am trying to reduce image size using dd conv=sparse, but no matter what I do, the image size is still huge. I have a CentOS image which is around 136GB. The main reason it being so big is that it ...
CSLser's user avatar
  • 101
3 votes
0 answers
811 views

Is it safe to cancel hdiutil compact?

A sparse image is a type of disk image file used on Mac OS X that grows in size as the user adds data to the image, taking up only as much disk space as stored in it (quoth Wikipedia). If a sparse ...
Frungi's user avatar
  • 215
2 votes
2 answers
2k views

Disable .DS_Store, Spotlight and other metadata on Mac disk image

I store my files (plaintext) on an encrypted Sparse Bundle Disk Image and backup this image (the ciphertext) with Rsync to another server. Sparse Bundle Disk Images create 8 MiB files ("bands") to ...
William Entriken's user avatar
0 votes
1 answer
3k views

sparse file moving/copying over NFS

I created a sparse file with truncate -s 4T image.img on an ext4 file system which I mount over NFS. The following test shows that the system has trouble with the recognition of sparse files: both ...
Kalle Richter's user avatar
2 votes
1 answer
10k views

Change sparse attribute from an .iso file on Windows 8.1

I have few very large .iso files in my computer altogether about 1TB. All of them are sparse files and i want to remove the sparse flag/attribute from them, is there a way how to do it? Maybe some ...
Ricsie's user avatar
  • 123
5 votes
1 answer
4k views

can sparsebundles be locked to make them read-only?

With sparseimage files, I can set the Locked attribute in 'Get Info' to prevent modifying its content. Doing so with sparsebundles has no effect it seems. At the moment I'm storing my sparsebundle ...
noop's user avatar
  • 53
2 votes
0 answers
3k views

Is it possible to open encrypted sparseimage files from MacOS X on Windows?

Windows programs MacDrive Pro and TransMac are capable to open MacOS X .sparseimage files. Does it include encrypted sparseimage files ? Are there other programs to open such files ?
epsicot's user avatar
  • 321
22 votes
3 answers
29k views

How to make an encrypted sparseimage larger on osx

I have an encrypted volume on OSX Lion. How do I make it larger?
hvgotcodes's user avatar
2 votes
0 answers
294 views

How can I know which blocks/sectors were last written to on an NTFS volume?

Is there a tool that would enable me to identify which blocks of data were last (most recently) written to an NTFS volume? Perhaps the NTFS volume's "$Journal" file might have information that can be ...
Fleetwood's user avatar
1 vote
1 answer
4k views

ext2explore for windows doesn't read ext3/4 sparse files what does?

I have some sparse files that I want to read/copy to windows but I can't find a FS reader that works any suggestions? EDIT: to clarify the sparse files are living on an ext3 partition it's this ...
sabgenton's user avatar
  • 674
17 votes
2 answers
14k views

Shrink a .sparseimage

I have a .sparseimage that occupies 90GB of space on my hard drive despite only having 30GB of files in it. How can I reclaim the empty space used by the .sparseimage and compact the file?
squircle's user avatar
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