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I don't have enough knowledge and examples from the official documentation. I don't understand how to implement sufficient redundancy for the Erasure Codes pool to allow one data center out of three to crash. At the test site, I achieved an even distribution of servers in each datacenter. Five...

I need to implement fault tolerance at the datacenter level in the Proxmox VE hyperconverged cluster (pve-manager/8.1.4/ec5affc9e41f1d79 (running kernel: 6.5.13-1-pve)) and Ceph Reef 18.2.1. To test future changes, I created a virtual test bench in VirtualBox that closely mimics my cluster in...

Please help me with some advice. In my test scheme with three data centers, I need to create an Erasure Code pool for cold data. I used the documentation https://pve.proxmox.com/pve-docs/chapter-pveceph.html#pve_ceph_ec_pools My chosen k=6,m=3 (I also tried from the documentation k=4,m=2) in...

Thank you very much! Everything worked out: I added a third datacenter, moved some of the servers to it. The Ceph cluster has balanced the data.

Please help me with your advice. I need to implement fault tolerance at the datacenter level in the Proxmox VE hyperconverged cluster (pve-manager/8.1.4/ec5affc9e41f1d79 (running kernel: 6.5.13-1-pve)) and Ceph Reef 18.2.1. To test future changes, I created a virtual test bench in VirtualBox...

I updated my cluster and the problem was fixed. Thanks for the great job. pve-manager/8.1.4/ec5affc9e41f1d79 (running kernel: 6.5.11-7-pve)

Upgrade PVE 8.0 -> 8.1 # pveversion pve-manager/8.1.3/b46aac3b42da5d15 (running kernel: 6.5.11-4-pve) # ceph -s health: HEALTH_WARN Module 'dashboard' has failed dependency: PyO3 modules may only be initialized once per interpreter process # systemctl status ceph-mgr@pve1 Nov 25 12:58:16...

And where to get the utility pve7to8? # pveversion pve-manager/7.4-3/9002ab8a (running kernel: 5.15.107-1-pve) # pve7to8 -bash: pve7to8: command not found # apt show pve7to8 N: Unable to locate package pve7to8 N: Unable to locate package pve7to8 E: No packages found # dpkg -S pve7to8...

I'm very sorry, but I just waited a little longer and the reading speed increased. Perhaps earlier changes to the ZFS ARC settings helped.

output atop and iotop

RAM free -h --si total used free shared buff/cache available Mem: 64G 1.5G 62G 3.0M 269M 62G Swap: 8.2G 0B 8.2G CPU lscpu fio --filename=test --direct=1 --sync=1 --rw=randread...

I have read all the forum posts related to slow GC. I have to bring this topic up again and ask for help. I use PBS 2.3-2. The work of the disk subsystem does not cause any complaints. Carried out the tests: 1) with copying a single huge file. 2) unpacking their documents from the archive to...

I decided to use the ZFS functionality of changing the mount point zfs set mountpoint=/mnt/zabbix SafePlace/zabbix # zfs get mountpoint SafePlace/zabbix NAME PROPERTY VALUE SOURCE SafePlace/zabbix mountpoint /mnt/zabbix local

The hardware server for Proxmox Backup Server is very powerful. Due to budget constraints, I was forced to use part of the server's capacity for another task - MySQL for Zabbix. I had to allocate space for huge Zabbix MySQL tables in the same SafePlace pool that Proxmox Backup Server uses to...

After adding Proxmox Backup Server 1.0-6 to the Proxmox VE 6.3-3 cluster, the storage size was incorrectly displayed. The final size is too large due to the number of servers in the cluster, to each of which the Proxmox Backup Server is "connected".

Forgive me again and thank you very much for your help.

please forgive me. the defragsvc service has been stopped. the problem is resolved. https://www.reddit.com/r/PowerShell/comments/i9gaua/optimizevolume_service_cannot_be_started/

Get-Disk Number Friendly Name Serial Number HealthStatus OperationalStatus Total Size Partition...

In the problematic Windows 2016, I was hoping to see that it does not consider the virtual hard disk type as Thin Provisioning. But this is not the case! Get-Disk -Number 0 | select -Property ProvisioningType ProvisioningType ---------------- Thin Optimize-Volume -DriveLetter C...

Thank you all for your help and feedback. It’s my fault, but I don’t understand what I did wrong many years ago when installing the operating system. For testing purposes, I installed MS Windows 2019 and MS Windows 2016. During installation, I pointed to the VirtIO 190 drivers. There are no...