Questions tagged [disk-image]
a disk-image is an exact copy of a disk, partition or volume, or the process of making such a copy.
245
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Efficient way to write a sparse partition to a disk image?
I generate an ext4 partition image that contains a minimal Debian file system, then write that partition image into a full disk image. I am looking for the fastest way to do the write.
Consider a ...
- 113
0
votes
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147
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Add Partition Table to existing vhdx partition image
I have images of single paritions (not full disks) in vhdx format. I want to create VMs with Hyper-V with them. Since the images are only partitions the machines do not start.
How can I add the disk ...
- 103
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70
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GCP image import error: install_apt_packages failing
I was trying to import a debian-11 image (debian-11-genericcloud-amd64.raw) using gcloud compute images import command. However it was failing, and looking at the logs it seems that ...
google-cloud-platform
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0
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57
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Linux virtsysprep does not run on uefi image
Hi all im trying to use virt sysprep on image that have uefi boot disk.
When i strat the proccess i get this error
virt-sysprep: error: no operating systems were found in the guest image
Could ...
- 15
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Can I mksqashfs a whole Mint 20 OS then restore with unsquashfs on a different drive?
I have a very strict system with the bare minimum applications on for security reasons since I work with medical data.
Sometimes the laptops we use messup for one reason or another, won't boot, can't ...
- 127
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144
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Changing the disk type of vsphere VM using Rest API
I am looking for a way to convert my Vsphere VM disk type using REST API calls, like "Dependent" and "Independent-Nonpersistent".
i was searching in the documentation for Sphere 6....
2
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0
answers
126
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How to make a virtual disk image out of several parts?
During a process of moving to a virtualized infrastructure I encountered the following curious problem.
We want to evaluate everything first. This involves creating a virtual images of all required ...
- 9,994
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97
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Can I use a KVM image of Debian as a bootable image for a laptop?
I'm given the task to create a unified Debian image for all my teammates laptops. My plan is to create a KVM with all the necessary software and settings and copy this image later with dd to the hard ...
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169
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Creating/Deploying Windows Server 2019 Image on multiple servers
I manage servers that are all identical in terms of hardware and software. The only differences are hostnames and IP addresses. I've been researching how to clone the OS across these to speed up ...
- 261
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25
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Extract the content of the image from which the Windows workstations are installed?
I am just developer who tries to debug one nasty error that happens only on the workstations that are built/installed from some corporate image of the Windows workstation.
I have no idea what "...
- 111
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919
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How to determine disk image file format: VMDK, VHD or raw file format?
Is there any shell command using which I can determine the format of a disk image file? I want to check that disk image file is in which of these formats: vmdk, vhd of raw file.
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Disk snapshot size created from a google compute engine exceeds used space
I have a Google Compute Instance (VM) that has a 2TB disk and around 80GB used space. I wanted to archive this VM so that I don't get billed for the whole 2TB, and also so that it is ready to be ...
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1k
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Disk disappeared after umount and reboot
I had a disk which disappeared:
# df -h
Filesystem Size Used Avail Use% Mounted on
.
.
/dev/mapper/vg1-osblv02 5.0T 61G 4.7T 2% /data/osb-pool-1
/dev/mapper/vg01-osblv01 ...
- 123
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6
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RAID 1, vs RAID 6 vs RAID 10. What is most secure and reliable for my needs?
Here is what I need to achieve. I have a work PC with 2xSSD one for O.S. and software, and the second smaller for storing data. Currently I backup my data on an external HDD and on the cloud, I also ...
- 151
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Virt Block device resizing [duplicate]
I am attempting to expand the size of a virtual disk on an existing image. I was successful to expand the virtual hard disk and partition thanks to this guide, but noticed my virtual disk was still ...
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683
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How do I recover a broken logical volume group?
I created a logical volume group for my xen VMs on a separate drive. I had them working perfectly.
Then I accidentally unplugged the USB cable hosting my vg0. Now my VMs drives cannot be detected.
I ...
- 123
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2k
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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 <file> only /dev/loop0 appears. How do I make /dev/loop0p0 and /dev/loop0p1 appear? Using #parted /dev/loop0 it does show the 2 ...
- 103
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256
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RHEL specific version images not available in Google Cloud Platform
When trying to create VM instances in GCP compute Engine, only RHEL latest versions images are available for each release.
RHEL 7.9 and RHEL 8.3 are available. But unable to find RHEL 7.6/7.7/7.8/8.1/...
5
votes
2
answers
143
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Advice on replicating Hyper-V server image
What would be some recommendations for replicating a Windows Server 2019 system image that also contains a couple of Hyper V VMs?
I have several identical new Dell Edge servers to set up. Setup ...
- 153
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1
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866
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ESXi management fails, refusing connections, after copying in the boot drive from a backup
I’m writing this after having found the solution myself, because it was such a strange “gotcha” it deserves to be documented.
Although I hit this issue while doing a restore, it’s possible this could ...
- 1,580
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97
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How to read binary contents of free disk space in CentOS
Is there a way I can use dd or another tool to view the binary contents of free disk space in CentOS? In case it matters, it's a Linux logical volume with XFS format, holding data only (not a common ...
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426
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Cannot create VM with uploaded image on Openstack (Devstack)
I am working on a very simple project with Openstack, using Devstack. Currently, I've been able to make networks, routers, Vm's without many issues. But here is where I am having trouble. I've created ...
0
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0
answers
442
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How to Lift and Shift from OpenStack to GCP?
I have previously had an OpenStack based cloud environmnent in which I had virtual servers. I have migrated to GCP and while I've refactored everything to be cloud native (and especially k8s), I'd ...
0
votes
2
answers
182
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How to create GCE machine image without including unmounted disks?
I created a machine image on GCE from a running ubuntu VM which has an "additional" disk available to be mounted. That disk is mounted for backups, then dismounted, and was not mounted at ...
1
vote
2
answers
1k
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Is there a good way to shrink disk usage of sparse file containing luks-encrypted btrfs file system image?
I've created a sparse file filesystem.img, formatted in with cryptsetup luksFormat, created a btrfs filesystem on it. The image file disk usage expanding fine while adding files to the btrfs ...
- 126
0
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1
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180
views
gcloud compute engine - multiple full backups / snapshots / machine images?
On a gcloud debian vm instance, I would like to create full backups and rotate them, e.g.
one per day of week
one per week
one per month
one per year
That is, each daily would get over-...
0
votes
0
answers
132
views
Make an image from entire ESXi host
For some reasons, I need to make an image from entire ESXi host.
It is a physical server, I don't know the root password. It's ESXi 6.0 standalone host.
I want to make a copy from entire server, ...
- 1
0
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2
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1k
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Compute Engine - 1000 GB disk cant decrease size
i have a huuuuge problem.
Created a snapshot and image from my instance...instance has 1000GB of disk.
Now i need to reduce it but everytime i try to create an image or a snapshot from that, i get ...
7
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5
answers
4k
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How to write a sparse Linux (EXT4) disk image without writing gigabytes of zeros?
I have a 64 GB Linux disk image with ~50 GB of unused space across the partitions. The file is sparse, so it only takes ~14 GB on disk.
But if I dd the image, it writes the full 64 GB, which takes ...
0
votes
0
answers
87
views
How can I automate the installation of an Ubuntu image using a USB device?
I have to automate the installation of a Linux image. The perfect behavior would be that I plug the USB, turn on the device and it runs the dd command in order to flash the image stored in the USB ...
1
vote
2
answers
1k
views
Automatically extend VM partition filesystem following a qemu-img resize
I'm launching a virtual machine with QEMU/KVM. After resizing the qcow2 disk image via
qemu-img resize Test.qcow2 +500M
And looking at the instance disk via:
fdisk -l
inside the instance, I can ...
- 11
2
votes
2
answers
1k
views
Updating a single file in a CPIO archive
I have a CPIO archive with the Linux image on it. With binwalk I can see that there are the following chunks:
DECIMAL HEXADECIMAL DESCRIPTION
------------------------------------------------...
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284
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ClearLinux on Openstack
I'm having trouble getting ClearLinux to work on OpenStack.
From their download source, based on their sites download page & documentation, I've tried clear-29690-cloud.img, clear-29690-cloud-...
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-1
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2
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261
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VM image vs Phyical server image?
I often hear its easy to create the image of one VM and setup it another VM(even instance types are of different types) than creating the image on physical server. In fact one of the devops guy in ...
- 129
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0
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52
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Multi-OS imaging strategy
I've been backup up my Windows system to an external 2TB WD drive for a while, but not my CentOS server. Most of the code I write lives on GitHub so I haven't been concerned about it. I'm currently ...
- 131
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1
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203
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live server disk image backup data integrity
I've been looking for a way to do a disk image backup of a running linux server.
There are several questions which answer this, like How to make a disk image, Mirror Live Linux (Debian) Server, Linux ...
2
votes
2
answers
4k
views
How to resize lxc/lxd images, if i am using LVM backend?
I'm using LXD few years and I'm glad to use this platform in my testing environment. But few days ago, I couldn't install Microsoft SQL server 2017. The reason was, that I used default ZFS backend.
...
- 531
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votes
1
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751
views
Clonezilla from single USB stick / pen
I am trying to create a custom clonezilla installer, as a tool to refresh our standard machines from memory stick.
I can customise the start menu fine from syslinux/syslinux.cfg just fine, but I ...
- 181
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vote
1
answer
1k
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Hyper-V virtualization with google compute engine image
I am trying to download an image from my Google Compute Engine VM Instances in Google Cloud Platform and I'm following this article to export the image to a GCS Bucket and download it locally. I need ...
0
votes
1
answer
77
views
Do all disks advertised as xyz-GB have exactly the same byte size?
I must setup a system where i can do a "dd if=/dev/sda of=/dev/sdb" to a backup and the reverse. This means i need disks to have exactly the same number of byte or i will run in trouble.
It's not ...
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441
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How to re-enable test mode when deploying Windows 10 wim image with Dism?
I am upgrading about 200 machines in my lab from Windows 7 to Windows 10, and as part of the upgrade, I am also converting the file system on the machines to GPT.
I am doing this as an automated ...
0
votes
2
answers
4k
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Azure: How to attach data-disks on VM startup, formatting if necessary
I want to provision an Azure VM with Terraform and configure it by using a custom AMI created by Packer.
I want an attached, snapshotted, managed data-disk.
I want to use Oracle Linux 7.4
What is ...
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2
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5k
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What steps are needed after cloning from a image Ubuntu to new system? (sysprep, unconfig)
I have an imaged (clonezilla) system image of a Ubuntu setup with a bunch of settings.
Now I am wondering, what needs to be changed if I use the clonezilla image to create always new systems from this ...
- 277
2
votes
2
answers
1k
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Copy a disk in another VM in Azure (using Graphic Interface)
I'd like to copy a disk of a VM and use it in another VM.
I see that there are many tutorials to do it, but they suggest to use PowerShell, bash, ecc. But I don't want to spend time to learn how to ...
- 141
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1
answer
13k
views
How do I generate a bootable .iso file from a directory?
Currently, I have selected a distribution of Linux that I like a lot and I have downloaded the .iso image which I can simply dd to an USB or CD media, etc...
I would like to add some additional data ...
- 121
1
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answer
256
views
Find out exact location of GRUB / GRUB not working after copying disk image
I prepared an Ubuntu server image with VirtualBox. To transfer the image to the server's SSD I first dded the MBR (512 bytes) and then the LVM partition (PV containing the root partition shrunk to 3GB)...
- 197
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votes
0
answers
26
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KVM: Cloning RHEL server on 2 disk images onto 1 disk image
We currently have a RHEL VM that is running from 2 disk image files (excuse my terminology if it is incorrect). Is there a way of cloning these 2 disks to create a 1 disk image?
2
votes
1
answer
4k
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KVM image format convertion: raw thin provisioning to raw preallocated
I'd like to convert a KVM virtual machine disk image in raw file from a thin privisioning format to preallocated.
In the first place I've got a preallocated 20Gb raw image file:
image: /var/lib/...
- 77
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votes
1
answer
32
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What to do if system administrator does not support system image? [closed]
In case of a system failure, I wanted to create a system image. However, it requires administrative password. System admin asked me why you want to create a system image; because we don't support it ...
0
votes
1
answer
170
views
Automatic Image Deploy from Network to Multiple Different Machines
We have multiple different "computers" that uses SD card like drives to store Windows. Those Windows are written to those cards with HDD Raw Copy.
Every couple of weeks we manually
Write ...
- 1
Related Tags
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dd × 22
windows × 19
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hard-drive × 13
partition × 12
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windows-7 × 11
boot × 10
virtualization × 10
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