similar to: libvirt, lvm thin provisioning

On Tue, 03 Dec 2013 18:13:08 +0100 Oliver Brakmann <oliver.brakmann@posteo.de> wrote: > Hello, > > On 2013-11-22 21:46, Michael Mol wrote: > > I know that lvm supports thin provisioning, and I think I have a > > pretty good grasp on how that works. Does libvirt support lvm thin > > provisioning and thin snapshots? > > libvirt does not support storage pools

Hello, On 2013-11-22 21:46, Michael Mol wrote: > I know that lvm supports thin provisioning, and I think I have a pretty > good grasp on how that works. Does libvirt support lvm thin > provisioning and thin snapshots? libvirt does not support storage pools containing thin pools. Since commit 4132dede0652b7f0cc83868fd454423310bc1a9c

On Tue, 03 Dec 2013 13:23:37 -0700 Eric Blake <eblake@redhat.com> wrote: > On 12/03/2013 12:37 PM, Michael Mol wrote: > > > A pity. Thin provisioning would be (as I see it) the first step to > > whole-VM snapshots as found in systems like VMWare ESX. I'd love to > > be able to pull that off using Linux/QEMU/KVM. Or at least be able > > to snapshot a

On 12/03/2013 12:37 PM, Michael Mol wrote: > A pity. Thin provisioning would be (as I see it) the first step to > whole-VM snapshots as found in systems like VMWare ESX. I'd love to be > able to pull that off using Linux/QEMU/KVM. Or at least be able to > snapshot a running VM's disk to be able to pull backups off the > snapshot without interrupting service in the VM

Short question: I''m curious as to how ZFS manages space (free and used) and how its usage interacts with thin provisioning provided by HDS arrays. Is there any effort to minimize the number of provisioned disk blocks that get writes so as to not negate any space benefits that thin provisioning may give? Background & more detailed questions: In Jeff Bonwick''s blog[1], he

I've been running into some problems with LVM thin provisioning in CentOS 6.3. Some of these I have reported to RH Bugzilla (e.g. https://bugzilla.redhat.com/show_bug.cgi?id=883629). The upshot seems to be that in RHEL 6.3 the features are "preview" but in 6.4 they are "full featured/robust" (hopefully) and many of the bugs are fixed. This raises the following

Hello, sorry if these questions have been answered before but please excuse me, I''m new to xVM :) Anyway I have been using Linux/Xen for quite a while and am very familiar with it. I am very interesting in changing to OpenSolaris/xVM for the primary reason of being able to easily leverage the ZFS filesystem and thin provisioning for better storage efficiency. 1) Is this ZFS thin

On Fri, Jun 26, 2015 at 10:51 AM, Gordon Messmer <gordon.messmer at gmail.com> wrote: >> , or alternatively making the LVs >> redundant after install is a single command (each) and you can choose >> whether it should be mere mirroring or some MD manged RAID level (modulo >> the LVM RAID MD monitoring issue). > > > I hadn't realized that. That's an

Do you have some comparasion of IO performance on thin pool vs. qcow2 file on fs? In my case each VM would have its own thin volume. I just want to overcommit disk-space. Regards, Jan On 2017-11-07 13:16 +0300, Vasiliy Tolstov wrote: >Please don't use lvm thin for vm. In our hosting in Russia we have >100-150 vps on each node with lvm thin pool on ssd and have locks, >slowdowns

Hello, as usual, I'm few years behind trends so I have learned about LVM thin volumes recently and I especially like that your volumes can be "sparse" - that you can have 1TB thin volume on 250GB VG/thin pool. Is it somehow possible to use that with libvirt? I have found this post from 2014: https://www.redhat.com/archives/libvirt-users/2014-August/msg00010.html which says

Hello all! This is my first mail here, so if I make some obvious mistakes, I apologise in advance. I just tried XCP in the last days and I must say that besides the standard inconveniences, it''s really cool and nice. I''m unclear about templates though, does it use standard xencenter templates? If yes, how can I install those templates that I find are missing? Do I need a

Hi there. I'm trying to use thin provisionned LVM for som eguests, and I'm having a problem. Until now, I use LVM pool with success. Here's my pool definition: <pool type='logical'> <name>data</name> <uuid>7f18e030-9d2d-805e-c65f-d12d0681b0a9</uuid> <capacity unit='bytes'>0</capacity> <allocation

Hello, Do you have recommendations on EXT4 and LVM options for a 3TB file-system for mdbox? We currently use the mbox format on a XFS with poor performances since the update in v2.1 (Debian). We will switch to EXT4 to have the possibility of shrinking the file-system if needed (which is not possible with XFS), we currently have LVM partitions but with mdbox we will use LVM snapshots to

Volumes are aggregation of bricks, so I would consider bricks as a unique entity here rather than volumes. Taking the constraints from the blog [1]. * All bricks should be carved out from an independent thinly provisioned logical volume (LV). In other words, no two brick should share a common LV. More details about thin provisioning and thin provisioned snapshot can be found here. * This thinly

Hi all. I'm using libvirt 1.2.6 I want to use lvm storage for my virtual machines. But i want to use new lvm2 feature - thin pool. How can i do that in libvirt? If libvirt can't create it via pool xml, does (and how) to use this setup under libvirt? -- Vasiliy Tolstov, e-mail: v.tolstov@selfip.ru jabber: vase@selfip.ru

Greets, Is anyone here using ZFS as a thin provisioned storage solution in production. If so could you kindly share your experiences and techniques, adding physical backing etc. thanks This message posted from opensolaris.org

Hi, Is it possible to create a storage pool based on an LVM thin pool? I read a recent bugzilla but the problem there was that the storage-pool became unusable AFTER creating a thinpool which is a different case. Thanks, Jorge

On 09/09/2013 02:42 AM, Osier Yang wrote: > And we have the bug to support the thin pool, sorry you won't be able > to use it until the bug is fixed. Could you share the bug number so I can follow it? Thanks, Jorge

Hello, I am preparing a brick as LVM thin volume for a test slave node using this documentation: https://docs.gluster.org/en/main/Administrator-Guide/formatting-and-mounting-bricks/ but I am confused regarding the right "--dataalignment" option to be used for pvcreate. The documentation mentions the following under point 1: "Create a physical volume(PV) by using the pvcreate

When a disk image uses LVM thinp (thin provisioning), the guestfs_lvs API would return the thinp pools. This confused other APIs because thinp pools don't have corresponding /dev/VG/LV device nodes. Filter the LVs that are returned using "lv_role=public". Thanks: Fabian Deutsch --- daemon/lvm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/daemon/lvm.c