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KKurgan reacted to bbgeek17's post in the thread [TUTORIAL] Understanding QCOW2 Risks with QEMU cache=none in Proxmox with
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Hi @Kurgan, Your question reminded me of another advantage of LVM: its volatile metadata doesn't reside in a user-land address space, so a process kill can't put it into a state that leads to data loss. Blockbridge : Ultra low latency... -
KKurgan replied to the thread [TUTORIAL] Understanding QCOW2 Risks with QEMU cache=none in Proxmox.Thank you very much for your answer and the time you spent researching it.
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KKurgan reacted to bbgeek17's post in the thread [TUTORIAL] Understanding QCOW2 Risks with QEMU cache=none in Proxmox with Like.
Hi @Kurgan, Based on a quick review, LVM-thin appears to offer better durability characteristics than QCOW2 for a few reasons: LVM-thin stores its metadata in a B-tree and applies updates transactionaly (though not via a traditional journal)...