a disk-image is an exact copy of a disk, partition or volume, or the process of making such a copy.

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12 views

How to use baseimage and deriverd image to create VMs in ceph cluster?

Scenerio: Suppose I have a template disk image and I want to use this to create many VMs by using this template file as a baseimage and derived image for different VM instances. in qemu we can use ...
0
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1answer
30 views

Copy OS from degraded array to another RAID 1 array

We have a degraded (second drive is not recognized at all) RAID 1 array with Windows Server 2008 R2 installed. I'm using CopyWipe from a boot floppy to image the new array. It should be mentioned that ...
0
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0answers
19 views

What is the maximum number of VM which can be used for a single baseimage? [duplicate]

In my current project I am using KVM hypervisor and qcow2 as a base image. On that base image I am creating many VMs, say 100s of VMs. So, my question is that will that baseimage be a bottleneck for ...
3
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1answer
541 views

Which is better image format, raw or qcow2, to use as a baseimage for other VMs?

I am using a baseimage and based on that creating many VMs. And now I want to know which is better, qcow2 or raw to use for a baseimage. Moreover, can you please tell me if there is any advantage of ...
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1answer
37 views

Ways to save and load a few types of workstation images?

I want to solicit opinions and options on a way to improve setup time of our many computers. We are a small company, but we have lots of computers. Most of them are used for a certain role in our ...
15
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2answers
382 views

Does the “bs” option in “dd” really improve the speed?

Every now and then, I'm told that to increase the speed of a "dd" I should carefully choose a proper "block size". Even here, on ServerFault, someone else wrote that "...the optimum block size is ...
0
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1answer
175 views

How to create a bootable ISO image from a disk snapshot

I've taken a disk snapshot of my Ubuntu VM from Amazon EC2. The snapshot is a ZIP archive of the whole disk. I've downloaded and then extracted the snapshot. Now I would like to create a bootable ISO ...
0
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3answers
67 views

Version control for virtual disk images

Is there any existing system for efficiently tracking the version history of a virtual disk image? Essentially, I have a disk image which is used as a "template" root filesystem for testing programs. ...
3
votes
1answer
1k views

What is the recommended method to prepare Red Hat/CentOS 7 templates?

If I need to deploy Red Hat 7 from template, I would like to take the recommended steps to make my "golden image" clean. It should boot to the first boot prompt and guide the user through the typical ...
1
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2answers
144 views

Is HD, SSD or SD card cloning a good practice?

Cloning is very convenient if multiple identical systems need to be created. But I have the following concern. As far as I know during formatting of file system and even during it's use a bad disk ...
2
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2answers
80 views

Workstation imaging on top of full disk encryption

Is it possible to use imaging tools (e.g. Acronis Snap Deploy, or possibly SystemImager) to deploy workstation images to laptops that have PGP full disk encryption? How could I go about doing this? ...
1
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1answer
43 views

Obtain an offline image of an Xserve disk

We have an Intel Xserve with Mac OS X 10.4. It seems to have been infected by a virus. We want to obtain the disk image without booting into the OS. Preferably, we would want to boot via a USB disk ...
4
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1answer
354 views

Powershell DISM New-Windows Image: Using a CompressionType gives an error

PS C:\ProgramData\Microsoft\Windows\Hyper-V\BigHomie> New-WindowsImage -CapturePath K: -ImagePath C:\VHDImports\Win764.wim -name "BigHomies Personal Image" -Verify -CompressionType "Max" Throws ...
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votes
1answer
102 views

How can I push operating system updates to remotely managed linux nodes? [closed]

I want to install a number of Raspberry Pi's in remote locations and push updates over the air to the operating system as necessary, in a way similar to mobile phones. There needs to be a partition ...
1
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0answers
453 views

Adding custom package in Centos 6 DVD/CD

I am trying to include my custom build package in the CentOS installer DVD/CD. I am able to respine the DVD with my Kickstart file. The automated kickstart installation works fine, however, when I ...
0
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1answer
154 views

Create iso/image/installation from Windows XP-installation

I'm using VMware and want to create a virtual machine with Windows XP. For this I want to use the Windows XP-installation of another computer, I don't have the cd, so I want to create a iso/image (or ...
4
votes
2answers
393 views

LVM snapshot of btrfs volume changes mounted device

I have a btrf volume on top of LVM. Now I want to do a snapshot on the lvm level (NOT on the btrfs level). But every time I create the LVM snapshot, btrfs changes the mounted block device to the ...
0
votes
1answer
417 views

Mounting individual “partitions” from a ddrescue'd whole-device image file?

I ddrescue'd from a sick drive device into an image file (I had enough free space, but not a spare device to copy onto). It seemed to go quite well, but now I can't find how to mount just one ...
3
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1answer
690 views

Script partitioning fresh raw disk images with sfdisk (C/H/S ignored?)

I'm trying to automate the process of creating raw disk images. I don't care so much about C/H/S, but that the block size should be a rough standard of 512 bytes. However, I'm having trouble ...
0
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4answers
125 views

Tool for taking disk image that includes NIC drivers

I've several laptops of different makes and models that I need to take a one time disk image of (not a clone), as a backup, prior to migrating the OS from Win XP to Win7. At this point, what I'd like ...
0
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1answer
174 views

OS X equivalents for Ubuntu's genisoimage and qemu-img

How do I achieve the same result on OS X 10.9 as I do on Ubuntu with commands: $ genisoimage -output init.iso -volid cidata -joliet -rock user-data meta-data and $ qemu-img convert -O raw disk.img ...
0
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1answer
378 views

Instructions for pushing image from server on a local network

Every fortnight or so we get around 10-20 computers back from clients and we have to wipe them, restore to factory default, and then install a few select pieces of software. It's arduous and ...
6
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3answers
9k views

Prepare a disk to be imaged by Clonezilla for use on smaller disks?

A recurring problem we have is that the computers we use to build our master images on may have larger hard drives than some of the target systems' drives. Its well-known that Clonezilla won't put a ...
1
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1answer
200 views

Problems cloning a bootable disk

I have an 80gb hard drive that is quite old, I expect it to fail soon. So I am trying to clone it to a bigger, newer disk or simply make a virtual machine out of it. I used various tools to clone my ...
0
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1answer
39 views

Manipulating root files in images without being root?

In our environment we have linux developer PCs and several embedded boards. The embedded boards are booted from an image. Those image files should be created/modified on the developer PCs. Mounting is ...
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1answer
408 views

DD broke my whole partition - boot failed: not a bootable disk . Any way to recover it?

Im kind of freaking out here, if anyone can help me please help me... This happened to a Windows 2012 KVM virtual machine. I had a very important database running in it, if I could only recover that ...
0
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1answer
480 views

How to remove previously uploaded by rhevm-iso-uploader image?

Can't realize how to remove the booting image from RHEV ISO storage, can't find anything to perform such trivial operation.. what a shame.. In RHEV Manager I can only see a list of available images in ...
2
votes
1answer
11k views

How to create a custom ISO image in CentOS

I am trying to create a custom ISO image which would install the minimal required RPMS along with some custom written RPM of my app. and Also wants to perform some post install steps like configuring ...
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2answers
707 views

How safe is it to access qemu/kvm raw or qcow2 disk image files from host

I've read mixed opinions about how safe it is to modify qemu disk image files. There are two distinct situations I'm interested in. 1) let's take a raw or qcow2 disk image file not used by kvm (i.e. ...
2
votes
1answer
126 views

Why did cloning my Amazon EC2 node set off automatically generating a new ssh host key pair?

My normal backup process is to create a new AMI from an EC2 instance I have running Amazon's linux. This is convenient because the EC2 console automatically shuts down the node , makes a copy and ...
2
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2answers
1k views

Building raw disk images: best way to delete files for compression?

I'm building raw disk images (ie, dd, chroot to install linux). During the customization process I may delete files, use temporary files, etc. What is the best way to delete these files to ensure the ...
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0answers
215 views

Automatically restoring a hard disk image using network boot

I have a bunch of identical PCs that I need to restore to factory default hard disk images as easily as possible. By default, they have network boot enabled, so it seems like the easiest method would ...
0
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2answers
4k views

How do I create an ISO image of a partition on an external hard drive?

I see that there is a similar question with the answer to use BartPE with a plugin, but are there any other methods to create an ISO image from an external hard drive partition? I don't feel too good ...
4
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2answers
3k views

Why is Clonezilla faster than dd?

On my SSD imaging (Source and Destination are 2 SSDs) I get 12GBpm using CloneZilla while with dd I get only 5GBpm. What makes Clonezilla so much faster than dd?
6
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1answer
417 views

Experiences with using `dd` to copy multi-partition, multi-FS device

I have a disc with several partitions on, each of which has a different kind of file system (ext3, ext4, and, let's say, NTFS). I want to know if I can copy the whole disc to a new one (which is of ...
2
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1answer
94 views

why is an md5sum of a micro SD different after I mount it? [closed]

On Linux I dd a binary image to a micro SD card and check each the source and target md5sum, they are identical. I then safely remove the card, and remount the card and do an md5sum again. It is ...
0
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1answer
152 views

cloning windows server 2008 OS drive to smaller drive using Robocopy

I'd like to clone a bootable OS disk using robocopy. The source drive is larger than the destination, but with plenty of free space. Is it possible, and if it is, what do I need to keep in mind to ...
2
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1answer
40 views

Image of configurations, processes, and so on [closed]

I have configured my local (Ubuntu) Server in which I have all my services with their own configurations and files, now I want to copy all that to another machine. What's the right method to do it? ...
1
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1answer
373 views

Trying to get a local copy of my Linodes disk image but getting permission denied when logging in via SSH [closed]

I'm following this guide so I can download a copy of the disk image as I want to migrate to another host. When I get to the stage where this command needs to be entered: ssh root@123.45.67.89 "dd ...
3
votes
1answer
296 views

Mounting whole-disk filesystems in Windows 2008?

I am booting a Windows instance in an OpenStack environment. OpenStack can use a "configuration drive" to pass information into the instance. This drive is formatted as a whole-disk MS-DOS ...
0
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2answers
12k views

Acronis TrueImage .TIB file conversion to .VHD

I've made several backups of older 2000 and XP machines I've phased out over the last year or so. These were done with 'Seagate DiskWizard' from Hiren's Boot CD (Acronis True Image Home (v9.5 I ...
4
votes
2answers
656 views

Can I take a domain pc hard drive and put it in the exact same hardware and leave it as it is on the domain without running any sys prep?

I have a workstation in a domain that has failed with hardware related issues. The actual hard drive is fine and is not the issue with with the workstation. Since we have spares of these workstations, ...
1
vote
1answer
186 views

ddrescue - cloning a device

I am running the following command [root@localhost ~]# ddrescue -vf /dev/sdf /dev/sdg rescue.log Do I need to do anything else after that to make the drive bootable? One place said I should do a ...
0
votes
1answer
1k views

Cloning bitmap free count err on proxmox drive

I have a small business server (custome build) that runs proxmox for virtualizing common office services (samba, AD, web server, etc). I use clonezilla for all my cloning purposes and have never ...
1
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2answers
569 views

Windows server detected error with hard disk

We have hosting Windows server 2008 R2 and I am working as admin in small company. The server is hanging and restarting as the hard disk seems to be damaged due to power fluctutaion(though having ...
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3answers
4k views

Solaris 10: How to image a machine?

I've got a Solaris 10 workstation that I'd like to create a full image backup from. The machine has 2 drives, one UFS for system root, and 1 ZFS for data storage. I intend to add a third HD to keep ...
5
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2answers
4k views

Mounting a linux image built with “dd” on Mac OSX 10.7 [closed]

I recently did a ssh root@myserver "dd if=/dev/xvda " | dd of=/<localpath>/myimage.img as instructed by my VPS server docs at linode. I did this before to another linux system and mounted it ...
9
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3answers
618 views

Imaging OS X installations

We have about 20 Macs in our shop, all of which have been setup and configured as they were purchased. We have a mix of computers and years (some Mac Minis, some iMacs, some MacBook Pros). They're not ...
1
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1answer
435 views

hiberfil.sys and pagefile.sys… rebuilt on boot?

I need to take an image of a drive. I'm working from a bootable CD, so I have the option to decruft before taking the image. The Windows installation on the drive has both hyberfil.sys and ...
3
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2answers
9k views

How to have a script run once on first boot

I have a Windows 7 image used to deploy with WDS. We like to install all our applications in the master image. The new Adobe CS6 suite needs to be serialized upon deployment, not in the master ...