5 Volumes In IBM FlashSystem 9100, a volume is logical disk provisioned out of a storage pool and is  recognized by a host with a unique identifier (UID) field. This chapter describes the several  types of volumes and guidance for managing the properties. Important, IBM FlashSystem 9200:  On 11th February 2020 IBM announced the arrival of  the IBM FlashSystem 9200 to the family. This book was written specifically for IBM  FlashSystem 9100, however most of the general principles will apply to the IBM  FlashSystem 9200.  If you are in any doubt as to their applicability to the FlashSystem 9200 then you should  work with your local IBM representative.  This book will be updated to include FlashSystem 9200 in due course. The Flashsystem 9200 product guide is available at: IBM FlashSystem 9200 Product Guide This chapter includes the following sections: GLYPH<SM590000> Overview of volumes GLYPH<SM590000> Guidance for creating volumes GLYPH<SM590000> Thin-provisioned volumes GLYPH<SM590000> Mirrored volumes GLYPH<SM590000> HyperSwap volumes GLYPH<SM590000> VMware Virtual volumes GLYPH<SM590000> Cloud volumes GLYPH<SM590000> Volume migration GLYPH<SM590000> Preferred paths to a volume GLYPH<SM590000> Changing the preferred node moving a volume between I/O groups GLYPH<SM590000> Volume throttling GLYPH<SM590000> Volume cache mode GLYPH<SM590000> Additional considerations ' Copyright IBM Corp. 2 020. All rights reserved. 101