Recent content by stibila

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    disable RAM overprovisioning

    With vm.overcommit_memory = 2, any memory allocation is allowed only if there is enough actual resources available. In other words, If kernel cannot reserve whole memory that VM allocates, then it won't allow KVM process to start. I dare you to try it and then report back. You should get: kvm...
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    disable RAM overprovisioning

    You can configure overcommit handling by Linux kernel. To disable overcommiting memory, create file /etc/sysctl.d/disable_overcommit_mem.conf with content: vm.overcommit_memory = 2 vm.overcommit_ratio = 100 Then run command sysctl --system vm.overcommit_ratio is in percents. To leave a bit for...
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    Missing dependencies

    Well, I guess that's what "enterprise backup solution" means. If enterprise is using only one specific OS and nothing else. Anyways, manually installing libzstd1_1.5.5+dfsg2-2_amd64.deb helped.
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    [TUTORIAL] PVE 7.x Cluster Setup of shared LVM/LV with MSA2040 SAS [partial howto]

    Hi, this is interesting topic and something I am currently researching myself. I have a question though. If I understand correctly, you have LUN connected to all nodes and you put LVM on top of it. Then you have gfs2 on top of LVM. Is that correct? If yes, why do you need LVM and whole dance...