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Questions tagged [loop-device]

25 questions
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Why does this loopback device creation malfunction?

The stackoverflow people thought this was more appropriate here, I put it there as it is part of a program but I can see their POV, so here it is: At the bottom of the code you can see it failing. In fact, I'll put it here at the start too because…
user50118
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enabling Spanning-Tree or not

do you think is wise or stupid keeping the rapid spanning tree enabled for just two switches in this image? https://i.stack.imgur.com/GIG0i.jpg As you can see the switches are not redundant each other but are connected simply because one has…
butterfly77
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Cannot mount manually docker's loop device

I'm learning how to work with loop devices and noticed that Docker uses them by default on CentOS. I can mount loop devices that I created, but when I try to mount Docker's devices I get error: $ mount /dev/mapper/docker-8\:1-3146939-pool…
Stanislav Bashkyrtsev
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nfs, mounted loop devices

I'm usign a Debian server (Jessie) as an NFS server. All exported NFS-shares are mounted filesystems using loop devices. They are mounted in the fstab without any special options & the mountpoints are managed within a common root…
user143166
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CIFS corrupts ext4 FS inside an image mounted on loop

I have a CIFS volume which contains an image file formatted with ext4 and mounted on loop. Sometimes the ext4 FS corrupt itself and the following lines shows in the logs: Jan 30 04:00:02 server1 kernel: [817452.247111] CIFS: Attempting to mount…
as3ii
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Mount DD image of LVM partition

I am in a conundrum. I need to extract data from a backup image I created previously. I thought I knew enough about LVM to get by... at least until now. It seems my blunder is that I backed up an LVM snapshot volume rather than the whole volume…
pkSML
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Bad performance on multiple loop devices used as file containers

Currently, I'm managing a back-up service for multiple remote servers. Backups are written trough rsync, every back-up has it's own filecontainer mounted as a loop device. The main back-up partition is an 8T xfs formatted and the loop devices are…
royarisse
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losetup mounts disk image as one device. How to loopback the partitions seperately?

I have a disk image with 2 partitions. When I do #losetup -f only /dev/loop0 appears. How do I make /dev/loop0p0 and /dev/loop0p1 appear? Using #parted /dev/loop0 it does show the 2 partitions are present. I need the 2 partitions present as…
AnnoyinC
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How to require a password/key/secret supplied by human sysadmin (via an ssh login) for every mount of a LUKS-based volume?

Summary We want to support this scenario: if we sense any security threat that might expose our core data (all stored on a /home NFS mount from our NFS server), we immediately "hard" power off the NFS server. Any potential, successive, unauthorized…
Johnny Utahh
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Storage virtual machine. LVM or loop devices?

Actual situation: I'm the administrator of a virtual machine. The virtual machine is a Debian. This machine will be mainly a storage machine with different services (svn, ftp... ), and a webserver. The hardware under this VM is a Sun Disk Array…
GLB
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