Questions tagged [sparsefile]
The sparsefile tag has no usage guidance.
29
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How to remove sparsefile attribute
Answers to how to remove the sparsefile file attribute appear to revolve around:
fsutil sparse setflag <filename> 0|1
This does not work for me.
I am on Windows 7 Pro 32-bit NTFS, as an ...
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File NOT set as sparse but sparse attribute is seen set on windows explorer
There is a test file in windows machine where it is seen having sparse file attribute (P). But suing fsutil sparse queryflag says the file is not sparse. Even queryrange range says the same.
This is ...
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Determining status of cloned file on APFS
Apple is now using APFS across several product lines, including macOS. This new filesystem has some nice features for minimizing how much actual disk space is consumed, such as sparse file support ...
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Compact transfer of partially empty blockdevice images for further compression
I like to do backups from a bunch of linux block devices on remote machines. Currently I am transferring the complete block device, albeit almost empty, to the backup machine and compress or ...
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Looking for the best way to backup and restore a directory of sparse files
We have a directory of sparse files (du returns 240M for one of these files; ls returns 960M).
When we copy one of these files over to S3, we end up uploading the entire 960M, and on downloading ...
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NTFS support on Linux, dealing with large sparse files, impact on performance
Background :
I attempted to recover data from a failing HDD using ddrescue on a recent Knoppix environment. At first I stored the output to a NTFS partition, but at some point the copying rate ...
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ddrescue, “size on disk” lower than total size, with possible impact on performance when writing to NTFS
The backstory is in my previous question and my own answer to it.
At one moment I had two partial images created by ddrescue: one file on NTFS filesystem and the other on ext4.
I had noticed quite ...
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Why does unxz return this invalid argument error?
I'm using the command unxz on Linux (Ubuntu) to convert an .img.xz file to just an .img file.
The command I'm entering is as follows:
unxz kali-2017.01-rpi2.img.xz
But it just returns this error:
...
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4
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Huge Docker file and `tar` behavior
When I did a backup on my Linux system with tar -czv, I noticed that the process is stuck very long at /var/lib/docker/devicemapper/devicemapper/data (way longer than a copy of all my images and ...
CommunityBot
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How To Format A Disk Image To Be Recognized By MS-DOS?
I'm trying to emulate windows with bochs on my android device. I've got the following drives: an empty disk image to install windows on, a virtual vvfat drive with the setup files, and a cdrom drive ...
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Sparse file performance on Windows with an SSD
Does anyone have any data or experience with sparse file performance on SSDs under Windows, with the NTFS filesystem?
It seems like performance should be excellent since seek time is effectively zero,...
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How to access files on a zfs pool of which only the vdev is left?
I set up a zfs pool mypool with one sparse file as vdev. After a system crash only the undamaged vdev is left. Is there any chance to get files and folders out of it? I don't care to create another ...
CommunityBot
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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
...
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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 ...
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