Questions tagged [virtual-disk]
The virtual-disk tag has no usage guidance.
42
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How can I copy a VHD image back to a physical disc?
It's quite easy to backup a real drive to VHD, e.g. with Sysinternal's Disk2VHD on XP or with Windows Image Backup on Windows 7. But how do I copy that file back?
It's possible by booting a recovery ...
- 1,052
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2
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Windows Server virtual disk cache settings
In Windows under Azure or Hyper-V, the Disk Policy write cache settings for a virtual disk will always appear to be enabled from the server configuration, regardless of the actual status of write ...
- 171
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3
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VMWare various disk type advantages/disadvantages
As we all know, we can create various disk types in VMWare:
0 : single growable virtual disk
1 : growable virtual disk split in 2GB files
2 : preallocated virtual disk
3 : preallocated virtual disk ...
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6
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2
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VMWare Workstation virtual vs physical disk?
I recently started playing with VM and saw that I have 2 options when creating a VM, I can use a Virtual Disk or a Physical Disk.
I belive using the physical disk would be faster and better and I ...
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Why is my VM disc file more than 2x bigger then the actual FS?
I'm having a VM with a small Debian 7 server inside a VMware Player VM.
The Disc has a maximum size of 55 GB, the virtual machine properties show a current size of 46.5 GB.
No other discs/volumes are ...
- 173
4
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2
answers
8k
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Mirrored virtual disk on storage pool can't expand after adding drive on Windows Server 2012 R2
I've recently taken to converting a couple of mirrored RAID1 arrays into one large storage pool. I have two 2TB disks and two 3TB disks, altogether 10TB, which when mirrored should give me 5TB of ...
- 143
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1
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Can I grant "Virtual Disk Service" to a non-local administrator?
Trying to find an answer to this. A vendor I work with, Red Gate, wrote in their documentation:
SQL Clone Agent requirements
An agent should be installed on the same machine as any SQL Server ...
- 185
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1
answer
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Storage Pools: Extending virtual disk after expanding Azure Disk
We host our Windows Server 2016 Virtual Machines on Azure and I am having a problem to expand one Virtual Disk on the Storage Pool after having expanded the disk on Azure.
The Virtual Disk is a ...
- 123
2
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2
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2k
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LSI HBA cards - span a virtual drive across two RAID controllers
I am able to create a virtual drive on one of the RAID controllers, but that virtual drive is isolated to that RAID controller.
I setup four (4) eval RAID cards: LSI MegaRAID SAS 9271-8iCC + ...
- 23
2
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1
answer
803
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Disk Space Difference On Hyper-V Server OS VS VM Guest OS
I have a Windows Sever 2012 Standard 64-bit running Hyper-V. The Hyper-V is hosting a guest OS of Windows 7 Professional 32-bit. I noticed that I was running out of disk space on my server. So I ...
- 417
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1
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Wizard for New Volume from Cluster Pool shows 0.00 GB free (despite 1.50 TB in Server Manager)
So an issue I am running into is that I have a Storage Pool using S2D created, it shows less than 2 GB used up... but when I go to run the virtual disk wizard, it has Free Space: 0.00 GB for both ...
- 133
2
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0
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181
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How to relate cloudstack volume ID to guest virtual block device ID?
Under CloudStack 4.2.1, I have an Ubuntu 14.04 guest with 3 attached volumes of the same size.
From the CloudStack management page, I can see that each attached volume has a name and an ID (and a ...
- 121
2
votes
0
answers
4k
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Virtual Disk Service Initialization Failed - Server 2008 SP2 (not R2)
I have about 50 sites with server 2008 SP2 32 or 64 Bit deployments. This issues seems to affect both. After a undetermined amount of time after a reboot (days, weeks, can't say for sure, Random), ...
- 31
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2
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How should I install KVM on a server with both SSD and HDD, and only one RAID card, to maximize utilization of my hardware?
I bought a Dell Poweredge at a local auction, mainly because it was too good a deal to pass up, but I only have experience with virtual servers via AWS and Linode (i.e. I'm new, so this may not make a ...
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4
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Hyper-V Virtual Disk Creation Taking Forver
After some struggle, I finally managed to set up Hyper-V 2008 R2 on our server. So I connected to it using the Hyper-V Manager from a Windows 7 client and used the "New Virtual Machine Wizard". I set ...
- 277
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How can the "actual" size of VHD/VMDK files be reduced after deleting unwanted files?
Somewhat akin to this question I asked on superuser, and this one for Hyper-V, after deleting files from a VM, how can the virtual disks be resized back downwards?
For example, perhaps the VM has ...
- 18.8k
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Managing disks for File Server on Hyper-V VM
I want to set up a File Server role on a Hyper-V VM on a Windows 2012 Server host. What would be the best way to set up the system in terms of handling the underlying storage disk?
The scenario's I ...
- 149
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2
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Using virtual disks or create RAID volumes to combine multiple disks in Windows
In Windows Server We can use Disk Management and create striped,mirrored or raid5 volume on multiple disks also we could put all the disks in a storage pool and create a virtual disk then create ...
- 251
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How to delete a VM from datastore if it is locked?
we are using Esxi 4.1. One of the VM is there in datastore which could not be deleted due to the files were locked.
We were trying to reload the VM into inventory by creating new VM with custom ...
- 1,311
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3
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RAID Virtual Disk Configuration / Partitioning in Operating System?
I have 6 x 1TB SAS for my new server. I want to create 3 partitions: one for OS, one for Virtual Machines, one for share data. There are 2 options for me:
Option A: Create 3 Virtual Disks in RAID ...
- 1,041
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1
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Storage Spaces with Azure Disk: how can we extend virtual disks?
We have on Azure several Windows Server 2019 virtual machines whose data disks are configured with Storage Spaces.
How can we extend a virtual disk configured for simple redundancy (NumberOfDataCopies ...
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1
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398
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ZFS, mdconfig, GELI and getting my head around
I want to create an encrypted virtual disk but I am struggling with understanding some basic concepts. Please correct me if any of these statements are wrong:
I need a block device that geli can ...
- 198
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1
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How to mount Azure drive to the local windows?
How to mount Azure drive (attach disk) to the local windows? Does already exist some tool for this?
So use case is the following. I have a attached disk to the virtual machine in the azure. Now I ...
- 571
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1
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838
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hyper-v dynamic expanding vs fixed disk
In the "old times" it was not recommended to use dynamic expanding disks in hyper-v. This create the issue of using very much disk space on the hyper-v host. (because we need allocate the ...
- 115
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0
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513
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Virtual disks raid 10 array with ramdisk cache using bcache
I was trying to simulate a scenario with mdadm and bcache. I created 4 raw img files using qemu-img. I have created raid 10 using mdadm and created tmpfs on /mnt/ramdisk and created a raw ramdisk.img ...
- 606
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0
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538
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RAID 5 virtual disk still shows up as degraded after repair
On a machine running Windows Server 2012 R2, I have a virtual disk consisting of 8 physical disks in a RAID-5 configuration. One drive died, so I replaced the dead drive and followed these ...
- 111
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1
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1k
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XenServer 6.5 - Failing creating Virtual Disk Images on a SR set on an USB External Drive
I have a test server running XenServer 6.5, which precisily is the version 6.5.0-90233c. By now I have two linux (Debian and Ubuntu) VMs smoothly running.
I have attached a 1TB USB drive in which I ...
- 11
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2
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Diagnose RAID utilisation on a failed drive
I am facing a problem on a server I didn't install, the former guy isn't here anymore to explain me anything.
Some processes crashed due to what seems to be a disk failure, so I searched in the logs ...
- 185
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2
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A space-efficient guest filesystem for grow-as-needed virtual disks? [closed]
A common practice is to use non-preallocated virtual disks.
Since they only grow as needed, it makes them perfect for fast backup, overallocation and creation speed.
Since file systems are usually ...
- 2,394
0
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1
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391
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How can I boot a vm on Hyper-V 2012 when it has a virtual hard-drive missing?
We have a Hyper-V 2012 server with 8 VM's on. We have attached extra virtual hard-drives to each of the computers to store backups on. These drives are stored on a NAS.
After a power failure, we ...
- 121
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1
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Vmware ESXI one hard disk but 2 vmdk files
I have a virtual machine on Vmware ESXI,
I have currently a defined hard disk and the size of it is :1.5 TB
But when I check the Datastore, there are 2 VMDK files which one of them (the main file of ...
- 141
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1
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What is the maximum virtual disk size in KVM [closed]
We have a server with 12 TB hard disk. I am planning to install KVM. The question is how much maximum disk space one vm can use? I need 5 TB vm disk. is it possible?
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1
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Completely remove virtual disks with diskpart (list volume still shows them)
I'm creating a lot of differencing disks for my project and deleting them after some time.
I use "detach vdisk" command, they disappear from disk management but they are not completely ...
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2
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Solaris disk types: Ramdisk, hard disk, SVM mirror volume.. Are there any others?
I am particularly interested if there are any network mounted disk types that can be used in ZFS.
- 2,273
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0
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Is it possible to remove a physical disk from a storage pool on Windows 11?
I have a storage pool on my Windows 11 system that is configured like this.
I want to remove one of the physical disks from this pool.
From the UI, it seems I can only Extend the pool size.
From ...
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0
answers
2k
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Background initialization of a Virtual Disk (raid 10), can you power off completely and resume days later?
Upon setting up a new Dell Poweredge system with RAID 10, I see in System Setup --> Virtual Disk Management the Virtual Disk I created is performing a background initialization. From my ...
- 210
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0
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170
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How to preserve mount points when moving Linux VMs to Azure?
I'm currently working on a project where Azure Site Recovery will be used as a DR solution for a fully virtualized datacenter based on Hyper-V and managed by SCVMM.
The datacenter contains several ...
- 71.3k
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1
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fio on virtual disk created with dd to stress disk
I am trying to create a script for my coworkers to use in the field that will stress the internal disks to a Linux server. I plan to put some logic in for finding the /dev/sd's available and such. But ...
- 171
0
votes
1
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128
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Removing snapshot after removing guest hard disc
I have a server with ESXi 5.5 installed. I recently wanted to add a new hard disk to one of the guests. After adding the virtual disk to it, I took a snapshot just to be sure that nothing would go ...
0
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0
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Exchange 2010 VHD Corrupted But Is Not
I am experiencing a strange problem with my Exchange 2010 server. The virtual disk holding all Exchange databases on the Exchange server is acting like it is corrupted. If I run chkdsk E: /F is says ...
- 273
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Problems with RAID1 array being recognised
I have put a new RAID card (UCS-51) into my Dell Precision T5400.
I have connected this to 2 x 1TB SATA disks.
I have configured a mirror array in the RAID bios.
The array shows when I boot ...
- 123
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1
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151
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Is there a tool that take a set of VHD files, and that produce a base disk + differentiating disks?
On my Hyper-V R2 virtual platform, I'm often using differentiating disks to preserve disk space.
Basically, I have this hierarchy of differentiating disk :
OS 1.vhd
Dev platform.vhd
User 1 dev ...
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