Dell PowerStore 500T EMC PowerStore Configuring Volumes
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- Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 1
Dell EMC PowerStore Configuring Volumes 2.x June 2021 Rev. A01 - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 2
and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2020 - 2021 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 3
policy...8 Change a protection policy for a volume...9 Unassign a protection policy from a volume...9 Chapter 2: Volume groups overview 10 Volume groups in PowerStore appliances...10 Create a volume group...11 Add existing volumes to a volume group...11 Add new volumes to a volume group...12 Map - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 4
PowerStore Documentation page at https:// www.dell.com/powerstoredocs. ● Troubleshooting For information about products, software updates, licensing, and service, go to https://www.dell.com/support and locate the appropriate product support page. ● Technical support For technical support and service - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 5
a local storage drive. When a volume is created, the PowerStore Resource Balancer automatically determines on which appliance the volume is provisioned unassign a protection policy. ● Restore content from a snapshot. ● Collect support materials. ● Create a thin clone of a volume. ● Refresh content - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 6
meet the capacity, performance, and availability requirements of hosts and applications. In PowerStore, volumes and file systems are thin provisioned to optimize the use of increase its size but not decrease it. PowerStore supports the creation of thin volumes up to 256 TB in size. 6 Volumes - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 7
Performance Policy: Set the performance profile on volumes to service IOPS when there is contention for resources at the system level or NVMe) as the host to which it is mapped. ● Mixed protocols are not supported. Steps 1. From Storage > Volumes, check the box next to the volume or volumes that - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 8
Delete a volume Prerequisites Delete a volume only under the following conditions: ● The volume was used for testing purposes, and the tests have finished. ● The volume has been replicated to a different destination, and the source volume is no longer needed. ● You are trying to save space by - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 9
Change a protection policy for a volume A protection policy establishes snapshot and data replication rules for data protection. You can change the protection policy assigned to a volume. About this task If the current policy assigned to the volume includes a replication rule, you can only change it - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 10
change. You can add new members to a volume group or delete them from a volume group after it is created. Topics: • Volume groups in PowerStore appliances • Create a volume group • Add existing volumes to a volume group • Add new volumes to a volume group • Map Volumes in a Volume Group to a Host - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 11
change the size of the volume group during an asynchronous replication session, the changes do not immediately appear on the destination. You can either perform a manual synchronization or wait until the synchronization occurs based on the RPO. Volume groups overview 11 - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 12
create the volume, you can increase its size but not decrease it. PowerStore supports the creation of thin volumes up to 256 TB in size. ● Volume do not immediately appear on the destination. You can either perform a manual synchronization or wait until the synchronization occurs based on the RPO. 5. - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 13
Remove a volume from a volume group You can remove a volume from an existing volume group. Removing a volume from a volume group can affect future operations on that volume and volume group. About this task These affected operations can include refresh, restore, and deletion operations as well as - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 14
actions: ● Manage hosts and host groups. ● Review the storage resources that are mapped to individual hosts or host groups. ● Review the initiators that are associated with the existing host , you must define a configuration for it in PowerStore Manager. 14 Hosts and host group configurations - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 15
On the Initiator Type page, select Fibre Channel, iSCSI, or NVMe. Review the prerequisites for the host connections. 5. On the Host Initiators page, or NVMe) as the host to which it is mapped. ● Mixed protocols are not supported. Steps 1. From Compute > Hosts & Host Groups, check the box next to the - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 16
that it provides and details about implementation types, see the context-sensitive help entry in PowerStore Manager. For in-depth information about how this feature works, see the PowerStore Security Configuration Guide. Steps 1. Select the Settings icon, and then select CHAP in the Security section - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 17
host I/O. About this task Before removing or shutting down an appliance for service, migrate storage resources to another appliance. When you migrate a volume or of a cluster. You can perform assisted migration or manual migration in PowerStore Manager: ● Assisted migration - In the background, the - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 18
If a Rescan Host dialog box displayed, select the Yes, the associated hosts have been rescanned check box and select Start Migration if you have rescanned the associated hosts. If you have not rescanned the associated hosts, rescan them before continuing the migration. A Data Migration dialog box is - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 19
: ● Development and test environments - Thin clones allow development and test personnel to work with real workloads and use all data services associated with production storage resources without interfering with production. They also allow development personnel to promote a test thin clone to - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 20
Table 1. Thin clone terminology (continued) Term Definition source snapshot, because the new source snapshot must be in the same base volume, volume group, or storage container family. For example, suppose the following hierarchy of snapshots and thin clones exists for Volume 1: 20 Thin clones - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 21
Figure 1. Thin clone hierarchy 1. Volume1 2. Snapshot 1 3, Snapshot 2 4. Thin Clone1 5. Thin Clone2 Thin clones 21 - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 22
6. Snapshot 3 7. Thin Clone3 8. Refresh The base volume family for Volume 1 includes all the snapshots and thin clones that are shown in the diagram. For Thin Clone 2: ● The family is Volume 1. ● The parent is Snapshot 2. ● The source is Snapshot 2. For Thin Clone 3: ● The family is Volume 1. ● The - Dell PowerStore 500T | EMC PowerStore Configuring Volumes - Page 23
three pre-defined performance policies: ● High ● Medium (default) ● Low PowerStore has share-based QoS. Share-based QoS means when there is contention at system level, a volume with a high-performance policy services more IOPS than a volume with a medium-performance policy. Further, a volume with
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Dell EMC PowerStore
Configuring Volumes
2.x
June 2021
Rev. A01