Synology RS2421RP Synology High Availability SHA User Guide for DSM 7.1 - Page 2
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Table of Contents Chapter 1: Introduction 01 Chapter 2: Required Environment 02 2.1 Supported models (as of January 2022) 2.2 System requirements 2.3 Limitations Chapter 3: Set Up and Configure an SHA Cluster 08 3.1 Connect the hosts 3.2 Create a cluster 3.3 Tests and simulations 3.4 Set up storage for SHA 3.5 Monitored services 3.6 Quorum server 3.7 UPS 3.8 Power schedule 3.9 System notifications Chapter 4: Navigate the SHA User Interface 29 4.1 Cluster 4.2 Host 4.3 Network 4.4 Service 4.5 Log 4.6 Split-brain Chapter 5: Maintain your High-availability Cluster 37 5.1 Software updates 5.2 Drive firmware update 5.3 Network management 5.4 Storage capacity expansion 5.5 Memory expansion 5.6 M.2 SSD installation 5.7 Network interface card installation 5.8 Data migration Learn more 52 Related articles Software specs Other resources Date of publication: September 1, 2022