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1 answer
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I have written a test case that successfully load files into virtual FS, and at the same time mounted a virtual volume as below describe("should work", () => { const { vol } = require(&...
Isaac's user avatar
  • 13k
0 votes
1 answer
246 views

I'm creating an overlay FS (using unionfs-fuse) from a script in an AppImage (created with appimage-builder v0.9.2). The overlay is mounted successfully, but at the end of the script, it fails to ...
Francois's user avatar
  • 2,086
6 votes
3 answers
11k views

Is it possible to mount an overlay fs inside a (privileged) docker container? At least my intuitive approach, which works fine outside of a container, fails: > mkdir /tmp/{up,low,work,merged} > ...
MNayer's user avatar
  • 181
0 votes
0 answers
243 views

In my Docker container there are two directories with a file in each: /foo/file1.txt /bar/file2.txt How can I mount these directories, such that both files are still acessible? The result after mount ...
mptr's user avatar
  • 124
0 votes
1 answer
123 views

Basically we should have only one thread to write one file. But in docker environment, should we take care the concurrent problem on share file? There exit two problems, How does Docker support for ...
Xiaokun's user avatar
  • 874
0 votes
1 answer
154 views

I am learning about Docker storage and I am little bit confused about Question 1 : Do we have for each docker host 1 backend store ( to store layers of images and writable-layers of containers ) ? ...
kira1kira's user avatar
  • 59
1 vote
1 answer
408 views

I want to achieve the following with Docker: I want to give a container access to a host directory, such that the container can make changes, but the changes are discarded once the container is ...
Sleik's user avatar
  • 361
2 votes
2 answers
304 views

According to Docker docs, every Dockerfile instruction create a layer, and all the layers are kept when you create new image based on an old one. Then when I create my own image, I might have hundreds ...
matrix's user avatar
  • 349
14 votes
1 answer
23k views

Is there a way to mount multiple volumes from a host to form a single target mount point? A bit like this: docker run --name ubuntu_bash \ --rm --interactive --tty \ --volume=/media/Large/...
Sridhar Sarnobat's user avatar
  • 25.7k
1 vote
1 answer
251 views

What about making only a file timestamp change (i.e. touch'ed) in a docker container? Would UFS (or the varianet used) create a file copy in the docker container layer or is it able to handle this ...
John K's user avatar
  • 29.1k
6 votes
2 answers
3k views

From the Docker documentation : The Docker image is read-only. When Docker runs a container from an image, it adds a read-write layer on top of the image (using a UnionFS) in which your application ...
user6317694's user avatar
  • 1,032
13 votes
4 answers
10k views

At different places I found the information that a docker image can only consist of up to 42 layers. This seems to be a limitation of the used AUFS file system. Can anybody tell me why this limit ...
Abacus's user avatar
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3 votes
0 answers
792 views

Does overlayfs support having upper layer as nfs mount point? I am able to have lower layer as nfs mount point but not upper? Any workaround possible? Kernel version -> 4.4.0-21-generic Ubuntu 16....
Vaibhav Khanduja's user avatar
  • 141
6 votes
1 answer
476 views

I am trying to benchmark the overall system performance of running Docker using the Phoronix Test Suite 6.4.0 Milestone 2 running inside a fedora:23 image based container. One thing that must be ...
Slazer's user avatar
  • 5,100
6 votes
1 answer
2k views

If I have a directory d1/, I know I can mount it at /mountPoint inside a Docker container by doing this: docker run -v /path/to/d1:/mountPoint ... However, I have two directories d1/ and d2/ (let's ...
David North's user avatar
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