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I'm reaching here again insights and recommendations as I am currently in the process of reassessing our compute grid system. We've been relying on Hadoop/Spark/Yarn in isolated environments without the need for additional security measures. Unfortunately, they are no longer free and the cost...

Still cannot make it work, did anyone succeed with something like that over lxc with proxmox ? and cat hint me for the packages needed?

is it possible with the Ubuntu 22.04 default builtin rdp ? without installing external packages?

i installed external physical card to work as "UNRAD" controller the models is https://www.supermicro.com/en/products/accessories/addon/AOC-S3008L-L8i.php. and connected it directly (with wires from the card to the back-plane ) the card come with two types of firmware, make sure it is IT...

i am trying to play around with kubernetes based on the following tutorial https://towardsdatascience.com/deploy-a-production-ready-on-premise-kubernetes-cluster-36a5d62a2109 i received the following error as part of the installation An exception occurred during task execution. To see the...

the delete command worked. i had to restore some containers from backup, but once the "UNKNOWN PB" resolved the ceph-fs went back online

i can do (i have backup or able to regenerate everything , but it will take time around a week of work). but will it fix the cluster? because everything is marked gray, all lxc\vms are down. perhaps upgrade to latest version might help? 7.1-8 - 7.2 , but it minor dont think it will change...

this is one of the first things i did. i also rebooted all the servers in the cluster. what to do from the link. the delete is not looks as a safe option

ceph pg 2.b query Error ENOENT: i don't have pgid 2.b ceph pg 2.b list_unfound Error ENOENT: i don't have pgid 2.b

HEALTH_WARN 1 MDSs report slow metadata IOs; Reduced data availability: 15 pgs inactive; 504 slow ops, oldest one blocked for 11906 sec, daemons [osd.14,osd.23,osd.27,osd.30,osd.31,osd.7] have slow ops. [WRN] MDS_SLOW_METADATA_IO: 1 MDSs report slow metadata IOs mds.pve-srv3(mds.0): 1 slow...

deleted and recreated them. because they fail to start. how i can fix the PG warning? (i have backup for everything) but it don know what is deleted\corrupted. what can cause the cluster instability? all nodes are appear grayed out.

proxmox 7.1-8 yesterday i executed a large delete operation on the ceph-fs pool (around 2 TB of data) the operation ended withing few seconds successful (without any noticeable errors). and then the following problem occurred: 7 out of 32 osds went to down and out. trying to set them in and...

I have the same problem, lowest at 50% and highest at 89. running the command "ceph osd reweight-by-utilization" initiate some re balancing, running it few more times until it looks better. can it be automated ?

works. i ll close the question. thanks

according to history versions http://download.proxmox.com/images/system/ it can take around two weeks.

do-release-upgrade -d . and do-release-upgrade -d -c returns: Checking for a new Ubuntu release New release '22.04' available. Run 'do-release-upgrade' to upgrade to it.

not latest but relatively updated proxmox-ve: 7.1-1 (running kernel: 5.13.19-2-pve) pve-manager: 7.1-8 (running version: 7.1-8/5b267f33) pve-kernel-helper: 7.1-6 pve-kernel-5.13: 7.1-5 pve-kernel-5.11: 7.0-10 pve-kernel-5.4: 6.4-6 pve-kernel-5.13.19-2-pve: 5.13.19-4 pve-kernel-5.11.22-7-pve...

from 20.04 i did upgrade and this is the output: Reading cache Checking package manager Reading package lists... Done Building dependency tree Reading state information... Done Hit http://archive.ubuntu.com/ubuntu focal InRelease Hit...

I know this is a bit early and the version is not final, but i would like to start integrate our system and migration from older Ubuntu to this one, i have a working Ubuntu 20.04 based on standard 20.04 template, but the upgrade did not work. any idea what would be the best practice ?

just bought some UPS to protect against power failure and electrical spikes. the UPS support powerwalker, any tips or best practice how to integrate it ? the ups should have enough capacity to maintain the servers under full load for around 10 minuts and low load for at least double i am...