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Snapshots and mess with Storage
by thorsten.bolten＠googlemail.com 29 Feb '24

29 Feb '24

Hi, I experienced a weird Failure. I hope I explain it understandable and not too hard to read We had issues with our backups, that they can't finalize Here is a Thread someone having the same issue. https://forums.veeam.com/ovirt-kvm-f62/veeam-rhv-12-1-command-removeimageti… so I made some investigations and recognized, it seems to be an Issue with Snapshot 1. I created a Snapshot https://paste.fo/c0b8e77a3400 what works 2. Then I tried to deleted the snapshot, what didn't work https://paste.fo/013e5632e0d6 So I logged in to a node and checked several things First strange thing was, I can see pvs vgs etc, I am used, that ovirt hides them in the System (on one of those nodes it's still the case) but anyways [root@ovnb05 ~]# pvs WARNING: Couldn't find device with uuid uHJs0a-T7R3-2H8E-15W9-cGqW-ZN1e-xsdCsb. WARNING: VG 515bebca-972b-42ac-abff-d76af0071613 is missing PV uHJs0a-T7R3-2H8E-15W9-cGqW-ZN1e-xsdCsb (last written to /dev/mapper/360002ac000000000000000880002a7fd). PV VG Fmt Attr PSize PFree /dev/mapper/360002ac000000000000000870002a7fd 515bebca-972b-42ac-abff-d76af0071613 lvm2 a-- <12.00t 10.77t /dev/sda3 rl lvm2 a-- 892.16g 0 [unknown] 515bebca-972b-42ac-abff-d76af0071613 lvm2 a-m <12.00t <12.00t So I did [root@ovnb05 ~]# pvdisplay WARNING: Couldn't find device with uuid uHJs0a-T7R3-2H8E-15W9-cGqW-ZN1e-xsdCsb. WARNING: VG 515bebca-972b-42ac-abff-d76af0071613 is missing PV uHJs0a-T7R3-2H8E-15W9-cGqW-ZN1e-xsdCsb (last written to /dev/mapper/360002ac000000000000000880002a7fd). --- Physical volume --- PV Name /dev/mapper/360002ac000000000000000870002a7fd VG Name 515bebca-972b-42ac-abff-d76af0071613 PV Size 12.00 TiB / not usable 384.00 MiB Allocatable yes PE Size 128.00 MiB Total PE 98301 Free PE 88247 Allocated PE 10054 PV UUID D6Typd-s7lA-PyoI-PvrL-rd9N-mS64-VeV1j3 --- Physical volume --- PV Name [unknown] VG Name 515bebca-972b-42ac-abff-d76af0071613 PV Size 12.00 TiB / not usable 384.00 MiB Allocatable yes PE Size 128.00 MiB Total PE 98301 Free PE 98301 Allocated PE 0 PV UUID uHJs0a-T7R3-2H8E-15W9-cGqW-ZN1e-xsdCsb --- Physical volume --- PV Name /dev/sda3 VG Name rl PV Size 892.16 GiB / not usable 2.00 MiB Allocatable yes (but full) PE Size 4.00 MiB Total PE 228393 Free PE 0 Allocated PE 228393 PV UUID kRe0EF-736L-QwZA-iGtM-67wp-8cr4-DKKcX2 I have never seen an unknown before, so I guess something happened to that LUN But the LUN is available and in /var/log/messages I can't find any issue with the LUN or the path etc. [root@ovnb05 data-center]# blkid |grep uHJs0a-T7R3-2H8E-15W9-cGqW-ZN1e-xsdCsb /dev/sdi: UUID="uHJs0a-T7R3-2H8E-15W9-cGqW-ZN1e-xsdCsb" TYPE="LVM2_member" /dev/sdg: UUID="uHJs0a-T7R3-2H8E-15W9-cGqW-ZN1e-xsdCsb" TYPE="LVM2_member" /dev/sde: UUID="uHJs0a-T7R3-2H8E-15W9-cGqW-ZN1e-xsdCsb" TYPE="LVM2_member" /dev/sdn: UUID="uHJs0a-T7R3-2H8E-15W9-cGqW-ZN1e-xsdCsb" TYPE="LVM2_member" /dev/sdc: UUID="uHJs0a-T7R3-2H8E-15W9-cGqW-ZN1e-xsdCsb" TYPE="LVM2_member" /dev/sdl: UUID="uHJs0a-T7R3-2H8E-15W9-cGqW-ZN1e-xsdCsb" TYPE="LVM2_member" /dev/sdr: UUID="uHJs0a-T7R3-2H8E-15W9-cGqW-ZN1e-xsdCsb" TYPE="LVM2_member" /dev/sdp: UUID="uHJs0a-T7R3-2H8E-15W9-cGqW-ZN1e-xsdCsb" TYPE="LVM2_member" So I did some nasty stuff, like removing it and trying to add it again, through that process it told me that there is no meta Data on the Device So at the End I am a little bit lost now. Maybe the storage was failing for some reason or maybe veeam messed something up, but what leaves me afraid is, that the Ovirt-Engine didn't show me any Problem with the Cluster or the Storage. I mean it's obvious, that there was/is a huge failure with the storage and Ovirt did not recognize neither did it alarm me. At the moment I detached the LUN from the Storage Domain and created a seperate one (cause I recognized that having several LUN's in a Storage Domain seems to be an bad Idea) and one PVS is now hidden, the other one not [root@ovnb05 data-center]# pvs PV VG Fmt Attr PSize PFree /dev/mapper/360002ac000000000000000870002a7fd 515bebca-972b-42ac-abff-d76af0071613 lvm2 a-- <12.00t 11.81t /dev/sda3 rl lvm2 a-- 892.16g 0 [root@ovnb05 data-center]# cat /etc/lvm/devices/system.devices # LVM uses devices listed in this file. # Created by LVM command vgs pid 6123 at Fri Feb 16 18:16:35 2024 VERSION=1.1.7 IDTYPE=mpath_uuid IDNAME=mpath-360002ac000000000000000870002a7fd DEVNAME=/dev/mapper/360002ac000000000000000870002a7fd PVID=D6Typds7lAPyoIPvrLrd9NmS64VeV1j3 IDTYPE=sys_wwid IDNAME=naa.61c721d06b5fb2002c49fbecd02f9d90 DEVNAME=/dev/sda3 PVID=kRe0EF736LQwZAiGtM67wp8cr4DKKcX2 PART=3 [root@ovnb05 data-center]# multipath -ll 360000970000197800382533030303031 dm-5 EMC,SYMMETRIX size=5.6M features='1 queue_if_no_path' hwhandler='0' wp=ro `-+- policy='service-time 0' prio=1 status=active `- 9:0:25:0 sdj 8:144 active ready running 360002ac000000000000000870002a7fd dm-3 3PARdata,VV size=12T features='1 queue_if_no_path' hwhandler='1 alua' wp=rw `-+- policy='service-time 0' prio=50 status=active |- 9:0:8:1 sdh 8:112 active ready running |- 9:0:0:1 sdb 8:16 active ready running |- 9:0:1:1 sdd 8:48 active ready running |- 9:0:2:1 sdf 8:80 active ready running |- 10:0:7:1 sdq 65:0 active ready running |- 10:0:0:1 sdk 8:160 active ready running |- 10:0:1:1 sdm 8:192 active ready running `- 10:0:2:1 sdo 8:224 active ready running 360002ac000000000000000880002a7fd dm-4 3PARdata,VV size=12T features='1 queue_if_no_path' hwhandler='1 alua' wp=rw `-+- policy='service-time 0' prio=50 status=active |- 9:0:8:2 sdi 8:128 active ready running |- 9:0:0:2 sdc 8:32 active ready running |- 9:0:1:2 sde 8:64 active ready running |- 9:0:2:2 sdg 8:96 active ready running |- 10:0:7:2 sdr 65:16 active ready running |- 10:0:0:2 sdl 8:176 active ready running |- 10:0:1:2 sdn 8:208 active ready running `- 10:0:2:2 sdp 8:240 active ready running 360002ac0000000000000008f0002a7fd dm-26 3PARdata,VV size=12T features='1 queue_if_no_path' hwhandler='1 alua' wp=rw `-+- policy='service-time 0' prio=50 status=active |- 10:0:1:3 sdt 65:48 active ready running |- 10:0:0:3 sds 65:32 active ready running |- 10:0:7:3 sdv 65:80 active ready running |- 10:0:2:3 sdu 65:64 active ready running |- 9:0:1:3 sdx 65:112 active ready running |- 9:0:2:3 sdy 65:128 active ready running |- 9:0:0:3 sdw 65:96 active ready running `- 9:0:8:3 sdz 65:144 active ready running If I forgot something or you need more input just let me know, maybe you can light me up what's wrong thx in advance for any help/suggestions

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I need install new host with O.S. Ubuntu 22 could you share to me which steps that I can follow
by oscar.loza＠toshibagcs.com 28 Feb '24

28 Feb '24

hi goo day: I need install new host with O.S. Ubuntu 22, could you share to me which steps that I can follow? thanks

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ovirt-engine-appliance bad gpg key
by Nathanaël Blanchet 28 Feb '24

28 Feb '24

Hello, I tried to reinstall HE from a backup but I can't download ovirt- engine-appliance because of a GPG failure: 2024-02-28 17:26:32,642+0000 ERROR otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils._process_output:113 fatal: [localhost]: FAILED! => {"attempts": 10, "changed": false, "msg": "Failed to validate GPG signature for ovirt-engine-appliance-4.5-20231201120252.1.el8.x86_64: Public key for ovirt-engine-appliance-4.5- 20231201120252.1.el8.x86_64.rpm is not installed Thank you to help me how to do because there is non -nogpgcheck option as a workaround. -- Nathanaël Blanchet Administrateur Systèmes et Réseaux Service Informatique et REseau (SIRE) Département des systèmes d'information 227 avenue Professeur-Jean-Louis-Viala 34193 MONTPELLIER CEDEX 5 Tél. 33 (0)4 67 54 84 55 Fax 33 (0)4 67 54 84 14 blanchet(a)abes.fr

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virtio-scsi. SSD vs HDD
by duparchy＠esrf.fr 28 Feb '24

28 Feb '24

HI, Is there a way to set a disk as being SSD (which really is). Or, better, set an entire Storage Domain being SSD ? This would prevent the schedule optimization to be automatically ON in Windows. and maybe enable other underlying optimization (TRIM ?)

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VM actual size is showing more than the virtual size
by rootpentester20＠gmail.com 28 Feb '24

28 Feb '24

Hi team, I am using Ovirt 4.4 and ISCSI as my storage domain. Some of my VMs have actual sizes showing more than virtual size and when we look inside the Vm the used space is much less than the actual size. What could be an issue here and how can we resolve the same? Any help will be highly appreciated.

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hosted engine deployment fails with certificate error
by jerome lardeux 27 Feb '24

27 Feb '24

Hello I,m trying to deploy a hosted engine in my lab, but i keep getting the same error Every time, while trying to install evirt packages, i got this: "ERROR otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils._process_output:113 fatal: [localhost -> 192.168.222.91]: FAILED! => {"changed": false, "msg": "Failed to download metadata for repo 'ovirt-45-upstream': Cannot prepare internal mirrorlist: Curl error (60): Peer certificate cannot be authenticated with given CA certificates for https://mirrorlist.ovirt.org/mirrorlist-ovirt-4.5-el8 [SSL certificate problem: self signed certificate in certificate chain]", "rc": 1, "results": []}" it is an ovirt node 4.5 thank you for your help

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Locked VHDD - Help To Unlock/Delete
by Matthew J Black 27 Feb '24

27 Feb '24

Hi All, I've gone and made a (bad) mistake. When creating a new VM I accidentally selected the wrong Storage Domain for the VM's VHDD; a Storage Domain with less space available than the size of the new (thick provisioned) VHDD. So now I want to delete that VHDD (and possibly the accompanying VM) and start over. However, the VHDD is "Locked" and I can't figure out a way to delete it (or Unlock it, or delete the VM, or Unattach the VHDD, etc, etc, etc). I can't find anything online so hopefully someone here can help me out. For the record I have full Admin access to *all* physical and virtual resources and I don't mind doing things via CLI (which I suspect is what's going to be required). I'm also familia with SQL (MariaDB, MS-SQL) but not Postgres, so if this is going to required manipulating the oVirt DB then so-be-it, I can do that as well. Thanks in advance Cheers Dulux-Oz

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ovirt-45-upstream GPG Key Error
by Matthew J Black 27 Feb '24

27 Feb '24

Hi All, We just picked up a GPG Key error when running `dnf install ovirt-engine-appliance` in preparation of a fresh oVirt v4.5.5 install on RL v9.3: ~~~ oVirt upstream for CentOS Stream 9 - oVirt 4.5 79 kB/s | 1.6 kB 00:00 Importing GPG key 0x24901D0C: Userid : "oVirt <infra(a)ovirt.org>" Fingerprint: 3C98 E81D B93D EA6D 54DE 690E 44E4 75CB 2490 1D0C From : /etc/pki/rpm-gpg/RPM-GPG-KEY-oVirt-4.5 Is this ok [y/N]: y Key imported successfully Import of key(s) didn't help, wrong key(s)? Public key for ovirt-engine-appliance-4.5-20231201120201.1.el9.x86_64.rpm is not installed. Failing package is: ovirt-engine-appliance-4.5-20231201120201.1.el9.x86_64 GPG Keys are configured as: file:///etc/pki/rpm-gpg/RPM-GPG-KEY-oVirt-4.5 ~~~ An error? An issue with the repo definition? Can it safely be ignored (normally I'd say "No" but its from the oVirt Tam's own repo...)? Is the fingerprint above the correct one (and for that matter, where is the GPG Key's Fingerprint recorded on the oVirt Website so that we can check compliance ourselves)? Anyway, thought I'd let people know (further details can be provide upon request) Cheers Dulux-Oz

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Using External CA
by Brent Saner 26 Feb '24

26 Feb '24

Hello all- I am looking for a methodology to force oVirt to use certs/keys managed and deployed externally. These are automated by our various automation systems and are configured to match our security policies. Rogue and/or non-transparent and/or standalone CAs in our org do not comply with our security policy. If I pre-deploy certificates and keys, does oVirt engine still need to be a CA? Similarly, our encryption policy requires use of RSA 4096 or ED25519 for SSH. This, as I understand it, is also not compatible with the RSA 2048 generated/used by the engine's internal CA. Is SSHing to this new host using this key necessary, or can I externally enroll a new host into a cluster or - if not - use different SSH key via the engine (likely derived from the above/below-mentioned certs, which may be RSA 4096)? Essentially, could I: 1. Pre-provision certificates and keys in /etc/pki/ovirt-*/ with the appropriate filenames<https://www.ovirt.org/develop/release-management/features/infra/pki.html#fi…> 2. Run engine-setup for the first time (using an answers file)? Will engine-setup balk at the existence of those files, silently overwrite them, or use them? Thanks in advance. Brent Saner SENIOR SYSTEMS ENGINEER Follow us on LinkedIn! brent.saner(a)netfire.com 855-696-3834 Ext. 110 www.netfire.com

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VM disk went un-allocated after storage migration
by rootpentester20＠gmail.com 25 Feb '24

25 Feb '24

Hi Team, I am using Ovirt 4.4, I added new storage LUN and did a storage migration of one VM disk which had 400GB of data. AFter migration, the disk became un-allocated in windows and now it's asking to re-initialize, I am afraid that data has been lost. Is there a way we can recover it back? Thanks

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