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Questions tagged [thin-provisioning]

48 questions
29
votes
5 answers

Move VMware ESXi VM to new datastore - preserve thin-provisioning

I'm looking for a good solution to a VMware ESXi environment issue where there's no vCenter available. What's the best way to move a VM from one datastore to another on a single ESXi host, while maintaining the VMDK thin-provisioning? This is a…
ewwhite
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How can I safely use storage thin provisioning?

I have storage that allows me to thin provision my volumes presented to the clients. Is this safe? What are the best practices?
Basil
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12
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4 answers

Disk shrink does not work on ESXi guests

EHLO everyone! My first post on the StackOverflow network :) We're running some ESXi 5.0/vCenter infrastructure to host mainly Debian 6/amd64 guest systems with ext3 partitions and open-vm-tools compiled from source per debian bug 471784. Got an…
NekojiruSou
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10
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2 answers

VMWare ESXi 5.5, thin provision still allocates full amount of space on disk

I see a lot of questions and answers surrounding thin provisioning on VMWare ESXi but not exactly what I'm encountering. I am creating a brand new VM and specifying a 100GB thin provisioned hard disk. From all I've read, I'm expecting the physical…
Thomas Doman
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9
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4 answers

Advantages of thick provisioning of storage over thin provisioning with virtual machines

I typically use thin-provisioning of storage space when building VMs: it provides a lot of flexibility, and seems to be faster to build. The only potential definite advantage I can see is to ensure that a VM doesn't accidentally run out of available…
warren
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8
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2 answers

Impact of using thinpool on LVM performance

Using LVM, what are the performance implications of using thinpool on an logical volume?
Tom Hale
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7
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2 answers

is it possible to convert dataset to sparse volume (thin provisioning)?

I've created ZFS datasets and installed virtual servers into them. Suddenly my ZFS volume free space is gone, but not all space is used in each dataset. I want to introduce thin provisioning (use ZFS sparse volume). Is it possible to convert…
Xdg
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1 answer

How to find whether the disk is thin provisioned or not?

I have mapped IScsi volumes into my windows 2016 server. I have created disk out of them. Now i need to find whether the disk is thin provisioned or not. I am trying with below cmdlets Get-Disk and Get-PhysicalDisk But no luck. How to find…
Samselvaprabu
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6
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4 answers

Moving thin provisioned vmdk ESXi 5

I am doing an educational project where I have to setup 3 (or more) Windows 2008 R2 servers on a machine running ESXi. I wanted to give myself a head start so I began setting an ESXi environment inside VMware Workstation 8 to create a base…
drblah
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1 answer

VDO/Virtual Disk Optimizer limitations in storage stack

Well, RHEL 7.5 released with important add-on, VDO, which basically adds thin provisioned compressed and de-duplicated volumes, which is great and we'll get these benefits with derivatives and other distros too, as technology was acquired from…
GioMac
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Figure out the used space on the snapshot thin volume

I have the following lvm configuration. Hard Disk: /dev/sdb (Size 10 GB) VG: vg_root on /dev/sdb THIN_POOL thin_pool occupying the whole physical extent lvcreate -y --extents 100%free --thin vg_root/thin_pool Thin volume on the thin pool lvcreate…
gudge
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4 answers

How to clone LVM thin provisioning volume?

I googled many times but couldn't find an answer. What I want is cloning an LVM thin provisioning volume to another thin volume. For now I know dd can clone a thin volume as following: dd if=/dev/mapper/vg_thin01 of=/dev/mapper/vg_thin02 bs=1M But…
fubupc
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3 answers

In Linux, how can I create thin-provisioned file so it can be mounted and a filesystem created on it?

I am building a system that gives users certain amounts of disk space. The way I am doing it is: create a file with dd create an ext4 filesystem inside the file mount the file and tell the user program to use the mountpoint as its working…
Erin Drummond
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How to enable space reclamation from KVM guest to ZFS zvol iSCSI target?

I have a ZFS volume "tank/kvm/webhosting", exposed through iSCSI (using tgt) to KVM guest.
Xdg
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Efficiently get file deltas for backups

With many large Xen sparse image files that have to be backed up, I'm looking for a way to do this efficiently both in terms of disk space (saving space with a differential tool like duplicity, bup, rsync, womble's lvmsync, etc.) and disk/network…
cprise
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