similar to: Storage pool created on the "wrong" vg

________________________________ From: Alaric Haag Sent: Tuesday, March 19, 2013 2:39 PM To: libvirt-users at redhat.com Subject: Storage pool created on the "wrong" vg Hello all, (Hopefully, I am posing this question to the correct list!) I seem to have mis-clicked through the creation of an LVM-based storage pool in virt-manager and it is using a volume group containing LVs

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 and other bad things because of COW. After we switching to qcow2 files on plain ssd ext4 fs and happy =). 2017-11-04 23:21 GMT+03:00 Jan Hutař <jhutar@redhat.com>: > Hello, > as usual, I'm few years behind trends so I have learned

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

In the past, I've used LVM on MD RAID, and I'd like to try using LVM RAID in order to also add dm-integrity data to some LVs.? I've added new PVs to my VG, and I've converted some of my LVs to raid1 types, but I also have one thin pool that I use for VMs with multiple layers of snapshots.? That pool can't be converted, directly: # lvconvert --type raid1 -m 1

On 08/02/2014 04:24 PM, Vasiliy Tolstov wrote: > 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? > The 'Thin Pool' is avoided by libvirt, but volumes

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2168506 This small set covers the new /dev/mapper/VG-LV "--key" ID format in the libguestfs LUKS-on-LVM inspection test. Thanks, Laszlo Laszlo Ersek (3): update common submodule LUKS-on-LVM inspection test: rename VGs and LVs LUKS-on-LVM inspection test: test /dev/mapper/VG-LV translation common

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2168506 This small set covers the new /dev/mapper/VG-LV "--key" ID format in the LUKS-on-LVM virt-inspector test. Thanks, Laszlo Laszlo Ersek (3): update common submodule inspector: rename VGs and LVs in LUKS-on-LVM test inspector: test /dev/mapper/VG-LV translation in LUKS-on-LVM test common

The scenario: I have two Samba servers on my network. One, running v3.0.37, is on my main server, a Solaris 10 x86 box. The other, just updated from 3.0.37 to 3.4.5 in the hope of solving this problem, is on my workstation, a Gentoo Linux box. The Linux Samba server shares only [homes]. The Solaris Samba server shares [homes] and four other shares. Unix UIDs are synchromized betwene the

I installed the latest Codeweavers preview build (binary RPM, ugh!), and the DeskTopWindow error I was experiencing building from cvs is gone. All the font fixme warnings (which had, at one point, gone away) are back, and I'm back to the previous error I was getting before DeskTopWindow: babylon5:alaric:~:46 $ wine --debugmsg fixme-font d:\\install.exe Invoking /opt/wine/bin/wine.bin

Hello, I've spent a few days googling and reading documentation, but I'm looking for clarification and advise on setting up KVM/libvirt with shared storage. I have 2 (for now) Ubuntu Karmic systems with KVM/virsh/virt-manager set up and running. I have a storage server that can do NFS/iSCSI/samba/ etc. I am trying to figure out the best way to set things up so that I can run

Hi all, I'm not sure if this is the right place to ask, but it's worth a shot. I have installed CentOS 6.5 on one of our servers, and have just installed SolusVM. I have also set up LVM, with a PV on /dev/sda4 (which is GPT formatted, and 3.12TB is size). The problem I'm having is that when I create the VG, it will not show up under /dev/<VG-name>, which it's supposed to

This patch introduces the concept of an "Advanced Storage Configuration", specifically for automated installs (although it could be hooked into manual install), while preserving the original style of specifying LVs. It accomplishes the following: * Add an optional AppVG * Offer new optional LVs - Data2,Swap2 - as part of the new AppVG * Allows the specification of multiple disks, per VG

On 1/9/22 15:37, Gordon Messmer wrote: > 1: The system also includes a volume group named "BackupGroup" and > that group activates on boot (post-dracut).? Why are those LVs > activated when rd.lvm.lv is specified? As far as I can tell, this is because in the dracut boot process, the device backing VolGroup is activated, but the device backing BackupGroup is not.? As a

This way the Lvm module contains only the OCaml implementations of LVM daemon APIs. This is simple refactoring, with no functional changes. --- daemon/Makefile.am | 2 ++ daemon/findfs.ml | 2 +- daemon/inspect_fs_unix_fstab.ml | 2 +- daemon/lvm.ml | 27 ----------------------- daemon/lvm.mli | 10 --------- daemon/lvm_utils.ml

Make more use of assert_equal/refute_equal instead of manually checking values and raising errors. --- ruby/t/tc_100_launch.rb | 4 +--- ruby/t/tc_410_close_event.rb | 8 ++------ ruby/t/tc_420_log_messages.rb | 4 +--- ruby/t/tc_810_rhbz664558c6.rb | 4 +--- 4 files changed, 5 insertions(+), 15 deletions(-) diff --git a/ruby/t/tc_100_launch.rb b/ruby/t/tc_100_launch.rb index

I've install a CentOS Stream 9 system from a kickstart file that specified (among other things) several logical volumes: logvol / --fstype="ext4" --size=10240 --name=lv_root --vgname=VolGroup logvol /var --fstype="ext4" --size=4096 --name=lv_var --vgname=VolGroup logvol swap --fstype="swap" --size=2048 --name=lv_swap --vgname=VolGroup When that system rebooted,

Hi all, Does anyone have a working example of creation of a logical storage pool and volume? I'm hitting a wall getting logical volumes to work on RHEL 6 beta. There's a single drive I'm trying to setup (sdc) as a libvirt managed logical storage pool, but all volume creation on it fails. Here's what I'm finding so far: Prior to any storage pool work, only the host

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

Hi, I would like to be able to configure VMs running off dm-crypt devices that were unlocked in the host. Unlocked dm-crypt devices show up in /dev/mapper/devicename, with devicename being the second parameter given to cryptsetup luksOpen. The LVM storage pool type insists on searching in /dev/vgname and cannot be tricked into reading /dev/mapper by giving it a fake VG named mapper; the LVM