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Questions tagged [aufs]

AUFS is an advanced multi layered unification filesystem.

0 votes
1 answer
200 views

Build AUFS/UnionFS driver for Linux 6.6.31

I want to build the AUFS Linux filesystem for Linux kernel 6.6.31. Where can I get the source code and how to build it and lastly, how do I get the .ko file?
t14njin's user avatar
0 votes
1 answer
96 views

Separate default configurations and my own changes with a layered FS : /Data/etc/ upper layer in RO and /etc/ lower layer in RW?

I wish to separate the default packages configuration files (/etc/), and the configuration files I edited e.g. in /Data/etc/ (normally should be /usr/local/etc/, but let assume /Data/etc/). This to ...
Denis Migdal's user avatar
2 votes
0 answers
554 views

Overlay mount at btrfs

I multiboot several distributions which are at separate subvolumes. They are stored in a not standardised layout. I have some subvolumes which I want mounted in a layered way. I prefere to use aufs . ...
Peter G Holm's user avatar
0 votes
1 answer
305 views

How can I use the Trusted xattr namespace on FreeBSD 11.2?

I'm trying to translate whiteout files from the AUFS format to the kernel-overlay FS format. This entails marking certain directories with the extended attribute trusted.overlay.opaque = y. ...
Anaxagoras's user avatar
0 votes
2 answers
2k views

how to make mergerfs behave like I did aufs behave: only write everything new or modified (including paths, everything..) to a single writable folder?

I need this behavior because I need to know what the application using the merged folder will do, so I can backup it properly and consistently with small backups. I need to force it behave like I did ...
Aquarius Power's user avatar
3 votes
0 answers
1k views

Use SSDs as persistent buffer for HDDs to decrease power usage

similar questions have been asked multiple times ... How to use an SSD for caching, so my hard disks can spin down? Caching write changes on SSD to avoid HDD spin-up? ZFS, but (probably) not L2ARC ...
Max Beikirch's user avatar
2 votes
2 answers
1k views

How to install grub to empty disk from ubuntu liveCD

Disclaimer: I'm a newb and I need step by step guide. Thanks! I want to first install grub without OS, since it will boot from ISO file off the local network storage. I'm booted into a liveCD (I can't ...
newbie's user avatar
  • 23
12 votes
1 answer
2k views

Stackable file system that works like a cache

I am looking for a stackable file system (Like UnionFS, aufs, and OverlayFS) that works similar to bcache or lvmcache but on file level - not on block level: Reads will be done from top-layer. If the ...
Ole Tange's user avatar
  • 37.5k
1 vote
0 answers
840 views

How to mount aufs filesystem on debian 10?

I want to union some folder, current I use mergerfs, I try to test aufs. When I mount aufs, it jump a error. $sudo mount -t aufs -o br=./a:./b none ./c mount: /home/t/c: wrong fs type, bad option, ...
fcying's user avatar
  • 11
1 vote
1 answer
825 views

Which (if any) union filesystems allow you to mount them without an underlying filesystem?

I am considering using a union filesystem, such as aufs, UnionFS or OverlayFS. I have a 138GB of Android source, to which I want to make minor changes and keep them under version control. My plan is ...
fadedbee's user avatar
  • 1,113
3 votes
0 answers
567 views

Why does cache work better in overlay2 than aufs?

A follow-up from this question. After reading Docker Storage drivers from official doc I understood that overlay was faster than aufs because it had only one hard linked image layer. But for ...
rokrokss's user avatar
1 vote
1 answer
137 views

Interpreting AUFS mounts

My question is the opposite of most on AUFS. I don't need to know how to mount two or more directories in a union. Instead I need to understand what I am seeing on an existing system. / aufs ...
cptully's user avatar
  • 119
0 votes
2 answers
4k views

how to mount aufs filesystem?

I've been learning docker and decided to try out the unionfs aufs. But I couldn't find a way to do it. I tried mount -t aufs but it complained that aufs was unknown. $ sudo mount -t aufs -o dirs=./...
z.h.'s user avatar
  • 1,084
1 vote
0 answers
20 views

Is there any way to check the most requested(in terms of IO) areas of the file-system inside a docker container?

I've recently read this interesting suggestion under "Performance best practices" subtitle here: https://docs.docker.com/storage/storagedriver/aufs-driver/ Use volumes for write-heavy workloads: ...
Hudson Santos's user avatar
0 votes
1 answer
264 views

Need to switch debian FS readonly writable layer from tmpfs to aufs to not lose files after booting

I'm trying to have this done on a debian 9 based embedded system. The fs that come for root is mounted as such in /etc/fstab: # /etc/fstab: static file system information. # /dev/mmcblk1p1 / ext4 ...
JJ Adams's user avatar
  • 113

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