ceph bad performance

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    How to optimize ceph performance in proxmox?

    I use 4 Dell R740 8 SSD disk slot servers to deploy Proxmox in the lab. 2 of the disk slots use RAID1 for installing the system, and the other 6 disk slots use Samsung 870EVO as CEPH storage. But after deployment, CEPH's performance is very poor. I used fio to test it, and the iops was very low...
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    Ceph Ruined My Christmas

    Merry Christmas, everyone, if that's what you're into. I have been using Ceph for a few months now and it has been a great experience. I have four Dell R740s and one R730 in the cluster, and I plan to add two C240 M4s to deploy a mini-cloud at other locations (but that's a conversation for...
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    High latency on Ceph. Poor Performance for VMs

    Greetings to all, I am seeking assistance with a challenging issue related to Ceph that has significantly impacted the company I work for. Our company has been operating a cluster with three nodes hosted in a data center for over 10 years. This production environment runs on Proxmox (version...
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    [SOLVED] Proxmox ceph network configuration

    Hi, I read this sentence on ceph hardware-recommendations : "Provision at least 10 Gb/s networking in your datacenter, both among Ceph hosts and between clients and your Ceph cluster" This is my ceph configuration: [global] auth_client_required = cephx auth_cluster_required = cephx...
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    Ceph Cluster Down\Sorta

    So currently I have 3 nodes, 3x16x18TB HDDs, in a Ceph cluster running normally. Today i went to go add 2 more nodes with 2x12x12TB drives. All was fine untill I went to go add the OSDs into ceph. I set the NoRecover flag but forgot to set the Noout and the Norebalance flag. The cluster failed...
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    Proxmox ceph low write iops but good read iops. Why??

    Hi, We are running a 5-node proxmox ceph cluster. Among them 3 of them are having ssd drives which is making a pool called ceph-ssd-pool1. Following are the configuration: Ceph Network: 10G SSD drives are of: Kingston SEDC500M/1920G (Which they call it as Datacenter grade SSDs and claiming to...