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README
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README
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STORAGE Design:
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===============
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pool: ability to create more than one volume
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- directory (NFS server, local dir)
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- LVM group
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- physical disk (partitions) ??
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- ISCSI volume pools ??
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- qemu base image ??
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a pool can support several formats (raw, qcow2, vmdk, ...)
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volume: can be used for VM storage
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- block device
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- file (raw, qcow2, ...)
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- ISCSI LUN
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A pool is either shared of local. The resulting volume
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inherits that property.
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lvs --separator , --noheadings --units b --unbuffered --nosuffix --options "lv_name,uuid,devices,seg_size,vg_extent_size"
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pvs --noheadings -o pv_name,vg_name
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vgs --separator : --noheadings --units b --unbuffered --nosuffix --options "vg_size,vg_free" VGNAME
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What about ISO/template storage?
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Storage Configuration:
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======================
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/etc/pve/storage.shared
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/etc/pve/storage.local
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oder
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/etc/pve/storage.config
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mit node attribute for jeden pool.
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jedes volume kann einen owner haben (VMID)??
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Aus einem pool werden volumes generiert. Jedes volume is einer VMID zugeordnet, entweder
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üder den Pfad im filesystem:
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$PATH/images/$VMID/xyz.qcow2
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oder über lvm tags:
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pve-vm-$vmid
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Namen müssen pro storage 'unique' sein, daher werden folgende namen verwendet:
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vm-$VMID-disk-XXX.$EXT
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Nur mit einzigartigen namem kann man kurze storage-id generieren.
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store1:vm-100-disk-5
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Configuration format:
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pool: <POOL_ID>
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type <dir|vg>
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