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Attach a single managed disk to multiple VMs (clustered apps)
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Based on SOC occupation classification
Availability Sets — FDs, UDs, when AS still applies
VM AZ design — zonal vs zone-redundant, latency, AZ-aware LB, SLA
Capacity Reservation Groups (CRG) — guarantee capacity for critical/DR VMs
Azure Dedicated Hosts — host groups, isolation, BYOL, maintenance control
Proximity Placement Groups — co-locate for ultra-low latency
Azure Scheduled Events via IMDS — react to host maintenance
| name | shared-disks |
| description | Attach a single managed disk to multiple VMs (clustered apps) |
maxShares set at create — VMs must coordinate via SCSI-3 PR.az disk create -g rg -n cluster-disk --size-gb 1024 --sku Premium_LRS --max-shares 2
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