Hitachi Unified Storage Provisioning Configuration Guide FASTFIND LINKS Changes in this revision Document organization Contents MK-91DF8277-12 © 2012-2015 Hitachi, Ltd. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or stored in a database or retrieval system for any purpose without the express written permission of Hitachi, Ltd. and Hitachi Data Systems Corporation (hereinafter referred to as “Hitachi”). Hitachi, Ltd. and Hitachi Data Systems reserve the right to make changes to this document at any time without notice and assume no responsibility for its use. Hitachi, Ltd. and Hitachi Data Systems products and services can only be ordered under the terms and conditions of Hitachi Data Systems' applicable agreements. All of the features described in this document may not be currently available. 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Export authorization is required for the Hitachi Unified Storage Data At Rest Encryption • Import/Use regulations may restrict export of the Hitachi Unified Storage SED to certain countries • China – Hitachi Unified Storage is eligible for import but the License Key and SED may not be sent to China • France – Import pending completion of registration formalities • Hong Kong – Import pending completion of registration formalities • Israel – Import pending completion of registration formalities • Russia – Import pending completion of notification formalities • Distribution Centers – IDC, EDC and ADC cleared for exports ii Hitachi Unified Storage Provisioning Configuration Guide Contents Preface . xi Intended audience . xii Product version . xii Changes in this revision . xii Related documents . xii Document organization . .xiv Document conventions . xv Convention for storage capacity values . .xvi Accessing product documentation . xvii Getting help. xvii Comments . xvii 1 Hitachi Dynamic Provisioning overview . 1-1 Hitachi Dynamic Provisioning features . 1-2 Hitachi Dynamic Provisioning benefits. 1-2 Non-disruptive addition of physical drives . 1-3 Improved performance. 1-3 Reduced storage acquisition costs . 1-4 2 About Hitachi Dynamic Provisioning operations . 2-1 Hitachi Dynamic Provisioning components. 2-2 Hitachi Dynamic Provisioning software feature . 2-2 Relationship between DP pool, RAID group, and DP-VOL. 2-2 DP pools and DP RAID groups . 2-2 DP-VOLs . 2-3 Increasing DP pool capacity . 2-3 Shrinking DP pool capacity . 2-4 Canceling DP pool capacity shrinking . 2-5 Growing or shrinking the DP-VOL capacity . 2-5 Deleting a DP pool . 2-6 Optimizing a DP pool . 2-6 Contents iii Hitachi Unified Storage Provisioning Configuration Guide Auto DP optimization mode . .2-7 DP Capacity Mode. .2-7 Accelerated Wide Striping Mode . 2-10 Full Capacity Mode . 2-11 Supported configurations . 2-13 Interoperability with other Hitachi software features . 2-15 ShadowImage . 2-16 Copy on Write Snapshot . 2-17 Monitoring resources and tuning . 2-17 Managing DP pool capacity . 2-17 DP pool usage capacity threshold alerts . 2-18 DP-VOL over-provisioning thresholds . 2-22 Monitoring DP pool usage rates . 2-24 DP pool depletion host notification . 2-24 Performance management. 2-25 DP pool status . 2-26 DP pool formatting status . 2-26 DP pool optimization status . 2-27 DP RAID Group status conditions . 2-27 DP pool capacity shrink status conditions . 2-28 3 Preparing for Hitachi Dynamic Provisioning operations . .3-1 Requirements and restrictions. .3-2 DP-VOL and DP pool requirements . .3-2 Requirements for using Hitachi Dynamic Provisioning. .3-5 License requirements . .3-5 Operating system and file system capacity . .3-5 Precautions . .3-6 Reconfiguring memory . 3-10 Installing Hitachi Dynamic Provisioning . 3-13 Installing without rebooting . 3-13 Installation and rebooting . 3-16 Using Cache Partition Manager. 3-18 Uninstalling Hitachi Dynamic Provisioning. 3-20 Uninstalling without rebooting . 3-20 Uninstalling and rebooting . 3-21 Enabling or disabling Hitachi Dynamic Provisioning . 3-24 Enabling or disabling without rebooting . 3-24 Enabling or disabling and rebooting . 3-26 4 Using the Hitachi Dynamic Provisioning GUI . .4-1 Volumes window . .4-2 Volumes tab. .4-2 DP Pools tab . .4-4 iv Contents Hitachi Unified Storage Provisioning Configuration Guide Properties tab (property of DP pool) . 4-6 Notifications tab (property of DP pool) . 4-7 Volumes tab (property of DP pool) . 4-8 Assigned Drives tab (property of DP pool) . 4-9 DP RAID Groups tab (property of DP Pool) . .4-10 Volume Properties window . .4-11 Volume Properties tab . .4-11 Create DP Pool window. .4-12 Basic tab . .4-13 Advanced tab . .4-14 DP Pool window. .4-16 Summary table . .4-16 DP Pool Trend window . .4-18 DP Optimization window . .4-19 5 Performing Hitachi Dynamic Provisioning operations . .5-1 Hitachi Dynamic Provisioning workflow. 5-2 Managing DP pools. ..