Dell PowerStore 500T EMC PowerStore Protecting Your Data

Dell PowerStore 500T Manual

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  • Dell PowerStore 500T | EMC PowerStore Protecting Your Data - Page 1
    Dell EMC PowerStore Protecting Your Data Version 2.x June 2021 Rev. A01
  • Dell PowerStore 500T | EMC PowerStore Protecting Your Data - 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 Protecting Your Data - Page 3
    Contents Additional Resources...4 Chapter 1: Introduction...5 Data protection...5 Snapshots...5 Replication...6 Protection policies...6 Chapter 2: Snapshots...7 Create a snapshot...7 Create a thin clone...7 Using clones to access read-only snapshots from hosts 8 Refresh a storage resource...8
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    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
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    and restore a storage resource to a previous state. You can manually create snapshots at any time. It is also possible to configure add them, using the Add Filters option. Mapping snapshots to hosts is not supported in PowerStore. To allow a connected host to access a snapshot, you can create a
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    or human error. PowerStore supports asynchronous remote replication for volumes and volume groups. Replication is not supported on file systems to create a new snapshot or replication rule, ensure that you review the parameters and your business requirements with an administrator before proceeding.
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    , review the snapshot retention policy that is associated with the storage resource. You may want to change the retention policy in the associated rules or manually set a different retention policy, depending on the purpose of the snapshot. ● Manual snapshots that are created with PowerStore Manager
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    > Create Thin Clone using Snapshot. Using clones to access read-only snapshots from hosts Mapping and unmapping block snapshots to hosts is not supported in PowerStore. To allow a connected host to access a snapshot, create a thin clone of the snapshot and map it to a host. After creating the thin
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    When refreshing a resource from a snapshot that was replicated from a remote system, check the creation time value to ensure that you are using the correct snapshot. The Source Data Time value of replicated snapshots reflects the original source data time, and the Creation Time value is updated to
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    on the data protection requirements. If you want to create a new snapshot rule in addition to the existing rules, it is recommended to review the business requirements with an administrator before proceeding. This can help in achieving and maintaining consistent policies across the system. To create
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    If you want to create a new replication rule in addition to the existing rules, it is recommended to review the parameters and your business requirements with an administrator before proceeding. This can help in achieving and maintaining consistent policies across the system. To create a
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    or at a later stage. NOTE: It is not possible to assign a protection policy containing replication rules to a storage resource that does not support replication. To assign a protection policy to an existing storage resource: 1. Select the check box of the storage resource to which you want to
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    Unassign a protection policy Prerequisites Removing the protection policy from a storage resource results in the following: ● Scheduled snapshots and replication based on the rules associated with the policy stop. ● Existing snapshots remain, and are retained in the system, based on the snapshot
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    the management and data connection status for troubleshooting purposes. Synchronization PowerStore enables you to asynchronously update the destination occur either automatically - according to a set schedule - or manually. Snapshots are synchronized from the source system to the destination
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    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. You can synchronize a replication session when it is in the following
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    ● The PowerStore system version on both the source and destination system is 2.x or later. ● during the failover test. Planned Failover When you perform a planned failover, the replication session is manually failed over from the source system to the destination system. Prior to the failover, the
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    After a planned failover, the replication session is inactive. To synchronize the destination storage resource and resume the replication session use the Reprotect action. You can also select the auto-reprotect option before failing over, which automatically initiates the synchronization in the
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    A Use cases This chapter contains the following information: Topics: • Snapshot and thin clone use cases • Replication use cases Snapshot and thin clone use cases You can use snapshots and thin clones to restore corrupted volumes and create test environments. Snapshots are read-only copies that can
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    -cluster migration, the installation of a major software update, and disaster recovery. Intercluster migration If you need to migrate a storage object to another PowerStore cluster, you can set up a one-time replication between the two clusters, followed by a planned fail over to the new cluster to
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Dell EMC PowerStore
Protecting Your Data
Version 2.x
June 2021
Rev. A01