Dell Unity 300 EMC Unity™ Family Configuring High Availabi
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- Dell Unity 300 | EMC Unity™ Family Configuring High Availabi - Page 1
Dell EMC Unity™ Family Configuring High Availability Version 5.2 Part Number: H16708 April 2022 Rev. 07 - Dell Unity 300 | EMC Unity™ Family Configuring High Availabi - Page 2
of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2017 - 2022 Dell Inc. or its subsidiaries. All rights reserved. Dell - Dell Unity 300 | EMC Unity™ Family Configuring High Availabi - Page 3
Contents Additional resources...4 Chapter 1: Configure High Availability using Unisphere 5 Link aggregation (physical deployments only)...5 Create a link aggregation...5 Change a link aggregation...6 Fail-safe networking...6 Create a fail-safe network...7 Change an FSN...7 Repurpose a NAS Ethernet - Dell Unity 300 | EMC Unity™ Family Configuring High Availabi - Page 4
feature documentation or release notes, go to Unity Technical Documentation at: dell.com/unitydocs. Troubleshooting For information about products, software updates, licensing, and service, go to Support (registration required) at: dell.com/ support. After logging in, locate the appropriate product - Dell Unity 300 | EMC Unity™ Family Configuring High Availabi - Page 5
of 2022 and later do not include the 10 GbE ports. For more information, see the Dell EMC Unity XT: Introduction to the Platform - A Detailed Review white paper on Online Support. Link aggregation also allows the system to load-balance host traffic, providing better performance. Ports must have the - Dell Unity 300 | EMC Unity™ Family Configuring High Availabi - Page 6
switch, thus extending link failover out into the network. When replicating from one Unity system to another, configure the FSN the same way on both systems as a best practice. You will need to manually configure the FSN on the destination before setting up replication. Otherwise, if you set - Dell Unity 300 | EMC Unity™ Family Configuring High Availabi - Page 7
Create a fail-safe network Learn how to create a fail-safe network. Prerequisites If you want to add a link aggregation to this FSN, be sure to create that link aggregation first. About this task FSN provides additional protection and redundancy over link aggregation by providing high availability - Dell Unity 300 | EMC Unity™ Family Configuring High Availabi - Page 8
Linked ports must connect to the same logical switch. The switch must support and be configured to use the IEEE 802.3ad Dynamic Link Aggregation Maximum transmission unit (MTU) packet size (in bytes) for the linked ports. Default is 1500 bytes per packet. Linux network device name. ID of the FSN - Dell Unity 300 | EMC Unity™ Family Configuring High Availabi - Page 9
a custom value between 1280 and 9216. Specific I/O modules may restrict allowed range for MTU size value. The MTU size values of 1500 bytes (default) and 9000 bytes (jumbo frame) are supported by all interfaces and I/O modules. Example The following command links port 0 and port 1 on SPA with the - Dell Unity 300 | EMC Unity™ Family Configuring High Availabi - Page 10
ID = la0_SPA ID = la0_SPB Operation completed successfully. View link aggregations View details about link aggregations. You can filter on the link aggregation ID. Format /net/la [-id ] show Object qualifier Qualifier -id Description Type the ID of the link aggregation. Example The - Dell Unity 300 | EMC Unity™ Family Configuring High Availabi - Page 11
1280 and 9216. Specific I/O modules may restrict allowed range for MTU size value. The MTU size values of 1500 bytes (default) and 9000 bytes (jumbo frame) are supported by all interfaces and I/O modules. Example The following command changes the MTU size for link aggregation la0_SPA to 9000 bytes - Dell Unity 300 | EMC Unity™ Family Configuring High Availabi - Page 12
switch, thus extending link failover out into the network. When replicating from one Unity system to another, configure the FSN the same way on both systems as a best practice. You will need to manually configure the FSN on the destination before setting up replication. Otherwise, if you set - Dell Unity 300 | EMC Unity™ Family Configuring High Availabi - Page 13
1280 and 9216. Specific I/O modules may restrict allowed range for MTU size value. The MTU size values of 1500 bytes (default) and 9000 bytes (jumbo frame) are supported by all interfaces and I/O modules. Example The following example creates an FSN where the primary port is a single ethernet port - Dell Unity 300 | EMC Unity™ Family Configuring High Availabi - Page 14
Object qualifier Qualifier -id Description Type the ID for the FSN port for which you would like to view details. Do not specify to see details for all FSNs on the system. Example The following example shows the details of all the FSNs on the system. uemcli -d 10.0.0.1 -u Local/joe -p - Dell Unity 300 | EMC Unity™ Family Configuring High Availabi - Page 15
1280 and 9216. Specific I/O modules may restrict allowed range for MTU size value. The MTU size values of 1500 bytes (default) and 9000 bytes (jumbo frame) are supported by all interfaces and I/O modules. Example 1 The following example changes the MTU size of the FSN "spa_fsn_0". uemcli -d 10 - Dell Unity 300 | EMC Unity™ Family Configuring High Availabi - Page 16
Example The following example deletes FSN "spa_fsn_0" uemcli -d 10.0.0.1 -u Local/joe -p MyPassword456! /net/fsn -id spa_fsn_0 delete Storage system address: 10.0.0.1 Storage system port: 443 HTTPS connection ID = spa_fsn_0 ID = spb_fsn_0 Operation completed successfully. 16 Configure High
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Dell EMC Unity™ Family Configuring High
Availability
Version 5.2
Part Number: H16708
April 2022
Rev. 07