Questions tagged [thin-provisioning]
50 questions
30
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
- 201,205
20
votes
2 answers
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
- 8,931
12
votes
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
- 343
11
votes
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
- 213
9
votes
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
- 357
9
votes
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
- 19,297
8
votes
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
- 1,242
6
votes
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
- 1,303
6
votes
0 answers
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
- 209
6
votes
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
- 81
5
votes
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
- 4,754
5
votes
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
- 83
5
votes
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
- 225
4
votes
2 answers
How do you run lvm's thin_dump or thin_check? metadata can't be live, but then what option do you use?
I want to run thin_dump, and thin_check. They say they cannot be ran on live metadata. That's fine by me. The problem is I don't know how to make the metadata not live, while still being able to give thin_dump and thin_check an argument on what…
user1902689
- 181