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Dell EMC PowerVault MD 34XX/38XX Series Storage Arrays Administrator's Guide

Thin virtual disk requirements and limitations

The following table provides the minimum and maximum capacity requirements applicable to thin virtual disks.
Table 1. Minimum and maximum capacity requirementsThe virtual capacity has the capacity of minimum of 32 MB and Maximum of 63 TB. The physical capacity has the capacity of minimum of 4 MB and Maximum of 64 TB.
Capacity Types Size
Virtual capacity
Minimum 32 MB
Maximum 63 TB
Physical capacity
Minimum 4 GB
Maximum 64 TB
The following limitations apply to thin virtual disks:
  • The segment size of a thin virtual disk cannot be changed.
  • The pre-read consistency check for a thin virtual disk cannot be enabled.
  • A thin virtual disk cannot serve as the target virtual disk in a Virtual Disk Copy.
  • A thin virtual disk cannot be used in a Remote Replication (Legacy) operation.

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