Questions tagged [sparseimage]

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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 ...
3
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0answers
545 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 ...
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2answers
981 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 ...
0
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1answer
2k 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 ...
2
votes
1answer
9k 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 ...
5
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1answer
3k 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 ...
2
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0answers
2k 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 ?
15
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1answer
20k views

How to make an encrypted sparseimage larger on osx

I have an encrypted volume on OSX Lion. How do I make it larger?
2
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0answers
273 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 ...
1
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1answer
2k 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 ...
14
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2answers
11k 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?