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    [SOLVED] Ceph - hardware raid compatibility question

    i am planning to add few more servers to our cluster and most of them are with intention to extend our ceph cluster: the chassis in plan is https://www.supermicro.com/en/products/system/2U/6028/SSG-6028R-E1CR24L.cfm: this motherboard comes with Broadcom 3008 SAS3 IT mode controller is it...
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    [SOLVED] Can i disable the swap on the proxmox host?

    i have some proxmox servers installed, but on some of them there are swap enabled and always full. (i think it might reduce overall performance) there are lots of ram available. is it safe to disable the swap in proxmox host? ( it have around 20 containers and 4 vms running)
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    Fail to backup some containers

    I have the latest proxmox installed . proxmox-ve: 6.2-1 (running kernel: 5.4.41-1-pve) pve-manager: 6.2-6 (running version: 6.2-6/ee1d7754) pve-kernel-5.4: 6.2-2 pve-kernel-helper: 6.2-2 pve-kernel-5.3: 6.1-6 pve-kernel-5.0: 6.0-11 pve-kernel-5.4.41-1-pve: 5.4.41-1 pve-kernel-4.15: 5.4-18...
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    [SOLVED] lxc container faild to start

    making a backup fixed the issues, (without any restore )
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    [SOLVED] lxc container faild to start

    currently have trying to backup it (running without an error so far) afterwards ill try what you told.
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    [SOLVED] lxc container faild to start

    i think i found the issue that cased it ( i disabled the nfs share by mistake), now i re-enabled it but it still fails to start. i have access to the continer raw file. can i restore it ?
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    [SOLVED] lxc container faild to start

    i noticed one of my lxc containers was down, and it failed to start with he following error: /usr/bin/lxc-start -F -n 143 lxc-start: 143: conf.c: run_buffer: 352 Script exited with status 13 lxc-start: 143: start.c: lxc_init: 897 Failed to run lxc.hook.pre-start for container "143" lxc-start...
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    [SOLVED] python : get lxc allocated ram\cores

    when running python script inside the lxc all the python functions i found return the original core count of the host, and it should return the amount of recesses allocated to the lxc. anyone got an idea ?
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    ceph rebalance osd

    Unfortunately we dont have a test environment :( We are a small company,, this is all that we have. i think we will just wait until new ssds arrive
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    ceph rebalance osd

    we use it in our production environment, what are the risks ?
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    ceph rebalance osd

    just looked again i have 5 clients ( that mounted the cephfs ) and are outside of proxmox they are Ubuntu 18.04 LTS (GNU/Linux 4.15.0-88-generic x86_64) ceph version 12.2.12 (1436006594665279fe734b4c15d7e08c13ebd777) luminous (stable) but it is luminous. as fast as i know this the setup we...
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    ceph rebalance osd

    { "mon": [ { "features": "0x3ffddff8ffacffff", "release": "luminous", "num": 3 } ], "mds": [ { "features": "0x3ffddff8ffacffff", "release": "luminous", "num": 3 } ], "osd"...
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    ceph rebalance osd

    what are the jewel clients? i have basic ceph fs and pool
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    ceph rebalance osd

    i got an error: root@pve-srv3:~# ceph balancer mode upmap Error EPERM: min_compat_client "jewel" < "luminous", which is required for pg-upmap. Try "ceph osd set-require-min-compat-client luminous" before enabling this mode
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    Reduce ceph pool from replication 3/2 to 2/2

    we have a working production pool, we running out of space and until we will get more ssds (due to covid everything is slow) what is the best approach to do it ?
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    ceph rebalance osd

    how to set it in proxmox, just as root shell from one of the main ceph hosts?
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    ceph rebalance osd

    slower pool is not relevant for this, because this storage have two main tasks, host our vms, and provide data for our computational grid
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    ceph rebalance osd

    i know, we in the process of ordering more, i am still looking for best performance\value for our company.. currently there are no deals for fast sas3 drives..