I am trying to resize a logical volume on CentOS7 but am running into the following error: resize2fs 1.42.9 (28-Dec-2013) resize2fs: Bad magic number in super-block while trying to open /dev/mappe...

I just can't create and run new containers in Docker anymore. But in the same time a can run previously created containers. When I try to do something like this: [user@host ~ ] docker run --nam...

I have a server setup of an XFS partition on LVM. While copying files to the home partition, "No space left on device" is displayed. df -h displays sufficient space: /dev/mapper/prod--vg-home 35G...

Scenario: Configured direct-lvm mode for production for docker on my concourse ci system here. Problem: The thin-pool gets filled up after a while. df -h Filesystem Size Used Avail Use% Mounted ...

I recently heard (from a RedHat guy) that "direct-LVM"(devicemapper) is the recommended storage-backend for production setups, so I wanted to try that out on a CentOS 7 VM. (where loopback-LVM seem...

How can I shut down/"unmount" a Linux lvm2 physical volume? I plugged an external had drive to my computer. On the drive is a LVM2 PV with one volume group which has some logical volumes. I now wa...

I'm trying to make use of the LVM2 functionality in linux (Centos6.0). When trying to make the first step of defining a PV on a specific block device, I get the following error message: [root@loca...

I've been playing around with Amazon's Web Services for over a year now, however I don't quite understand how it works. When I for example select an AMI of my choice from the EC2 console and ...

I have a backup procedure that uses kpartx to read from a partitioned lvm volume. Seldomly it happens that the device cannot be unmapped. Right now when I try to remove the mapping I get the follo...