Questions tagged [virtual-disk]

41 questions
17
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12 answers

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 CD or the Windows installation DVD. But can it…
Christian
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2 answers

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 cache settings on the underlying disk system.…
wst
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7
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3 answers

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 split in 2GB files 4 : preallocated ESX-type…
Robert Koritnik
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6
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2 answers

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 would like to confirm if this is true ? Another thing…
Guapo
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5
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2 answers

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 mounted on the device, debian tells me the disc…
peipst9lker
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4
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2 answers

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 usable space. I started the storage pool with the two…
3
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1 answer

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 you wish SQL Clone to use as a source of images,…
2
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1 answer

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 performance and capacity tier. Due to this, Any…
2
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2 answers

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 + CacheVault Accessory Kit I am using them in a DataON…
2
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0 answers

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 probably irrelevant VM ID). By name: DATA-4113,…
2
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1 answer

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 uninstalled a bunch of unneeded software. I rebooted…
2
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0 answers

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), trying to go into disk management or share and…
TBoner
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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 simple 300GB. The Physical disk is an Azure 300GB…
Evandro
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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 instructions for repairing the virtual disk: Replacing a…
1
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2 answers

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 lot of sense). I plan to install KVM over ubuntu…
dan
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