Questions tagged [sparse-files]
8 questions
19
votes
2 answers
Does NFS and SMB support sparse files?
This question was previously asked in stack overflow but the good folks there have recommended that i try the community over here instead.
I am researching on sparse files with regards to various filesystems and am trying to find something concrete…
winhung
- 303
- 2
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13
votes
1 answer
How do you create a qcow2 file that is small yet commodious on a Linux server?
I believe that there are qcow2 files that displace a small amount of gigabytes on a server (as verified with a df -h on the physical server) yet allow for lots of space when you log into the virt-manager VM and issue a df -h. How do you create such…
Catbird55
- 153
- 1
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- 6
3
votes
2 answers
No write failure on an over-allocated sparse file
I've been working with sparse files in order to replicate Linux fs permissions on a Windows samba mount an idea from here: https://www.thanassis.space/backup.html.
While testing sparse files though, I've discovered an, interesting, problem wherein a…
j. Doe
- 33
- 3
2
votes
1 answer
XFS/EXT4: Why is actual file size on disk larger than apparent size? Clarification
On a CentOS 7.1.1503 (3.10.0-229.el7.x86_64) system running KVM/qemu on an XFS filesystem, I'm attempting to work out what specifically is adding additional space to a VM diskimage file.
$ ls -ls --block-size=1k
15728648 -rw-------. 1 qemu qemu…
Chrisxb
- 21
- 3
2
votes
2 answers
Reduce xen image disk usage
Two cases:
1.If making hdd image using dd and copy it trough nfs to another server:
mount -o ro,remount /
dd if=/dev/sda bs=64K | gzip -c > /share/test.img.gz
then after gunzip I get 20Gb (for ex.) file, filled w/zeroes at the end:
du -h…
Dmitry
- 23
- 3
1
vote
1 answer
Disable thin provisioning (sparse files) in proxmox
I'm using Proxmox Virtual Environment to run few virtual machines. I use raw storage format and I need that the disk is fully pre allocated when created so it does not grow.
The proxmox says that this is default behavior but I experience the…
Pavel Niedoba
- 234
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0
votes
1 answer
Barman: rsync wal archival stalls on some files
I'm archiving wal files from a postgres server via rsync, most of the time the archiving works fine and is quick, the speedtest for the connection is here: (this goes via the internet)
[ ID] Interval Transfer Bandwidth Retr …
Thoro
- 23
- 7
0
votes
0 answers
Are MacOS sparsebundles suitable for multiuser access
I want to use a sparsebundle on a linux bases NAS (synology) as a encrypted container.
The sparsebundle files will be accessible in a shared Folder via SMB or AFP for MacOS Clients.
Does this work, if potentially multiple users access the…
mica
- 101
- 1