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New Synology RS2821RP+, RS2421RP+, SA6500 and FS6600N NAS Uncovered
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Popular Synology RS2421RP Manual Pages

Synology NAS Users Guide - Based on DSM 7.1 - Page 23

... Service tabs to finish the settings. Notes: • You can set Synology NAS to Control Panel > Notification. 1. Click Done to enter the required information. You can also customize message content by selecting an event and then clicking Edit Message. Go to automatically send notifications when specific events or errors occur. This section provides you a brief guide on the setup...
Recovery Media Creation Guide - Page 27

...:"path-to-driver/ driver-name.inf" // When installing all the drivers in the operating system without manually loading them upon booting the recovery media. Without this , the specific drivers that you need will be available only according to allow unsigned drivers. Create Recovery Media for more detailed commands regarding this installation. // When installing a specific driver, you can...
Transactions in Surveillance Station 8.1.0 and above - Page 6

... every NAS/NVR models for more information. However, the option AXIS Barcode Reader will not affect the connection type or other settings. Please refer License for free, but adding transaction devices will require additional device licenses. Note: Currently, only selected Synology NVR models provide COM port interface (e.g. NVR1218). Transactions can be installed in Surveillance...
Synology Directory Server Administrator s Guide for DSM 7.1 - Page 6

... Center > All Packages. 03 Go to Synology Directory Server's technical specifications for the Synology NAS serving as the DC. Sign in Storage Manager > Storage is Healthy. • The DSM is updated to version 7.1 or above. • You are the DSM administrator (i.e., the user belonging to the administrators group). 3. Install Synology Directory Server 1. If you want to disable...
Synology High Availability SHA User Guide for DSM 7.1 - Page 2

... 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...
Synology High Availability SHA User Guide for DSM 7.0 - Page 2

... 3.8 Power schedule 3.9 System notifications Chapter 4: Navigate the SHA User Interface 28 4.1 Cluster 4.2 Host 4.3 Network 4.4 Service 4.5 Storage 4.6 Log 4.7 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...
Synology High Availability SHA Troubleshooting Guide for DSM 7.1 - Page 15

... orange • Models with a new one and repair the SSD cache in the following services on one of your device's Hardware Installation Guide for more details. If you cannot restart it shuts down. 2. If the problem persists, please contact Synology Technical Support for further assistance. 2.1.12 Critical: SSD cache on the active server crashed Critical SSD cache on the active...
Synology High Availability SHA Troubleshooting Guide for DSM 7.1 - Page 16

...error] SSD Cache [X] was recovered. Cause The active server and passive server failed to communicate with each other, which data they want to Synology High Availability > Cluster and click Manage > Resolve split-brain errors. 2. Resolution 1. After the split-brain error...provide services and it can only select the currently logged-in the Synology High Availability (SHA) User Guide. ...
Synology High Availability SHA Troubleshooting Guide for DSM 7.1 - Page 17

... Chapter 2: SHA Troubleshooting Related Notifications Possible Logs • High-availability cluster My_SHA_Hostname stopped functioning [Details: Split-brain error] • [err] A split-brain error occurred and services are functioning and follow the steps below to refresh the cluster status: 1. If the problem persists, please contact Synology Technical Support for further assistance...
Synology High Availability SHA Troubleshooting Guide for DSM 7.1 - Page 22

.... • Replace the switch. 3. Chapter 2: SHA Troubleshooting 2.2.10 Warning:...Service to contact Synology Technical Support for further assistance. 20 Cause This error...Service to contact Synology Technical Support for further assistance. 2.2.11 Warning: Abnormal Heartbeat connection [Details: The data synchronization between the hosts are not blocked by the switch's firewall settings...
Synology High Availability SHA Troubleshooting Guide for DSM 7.1 - Page 25

... high-availability cluster IP address may be incorrectly set up properly. Suggestion: Please check network interface LAN X on the following items to contact Synology Technical Support for connection are still unable to resolve the issue, refer to Chapter 3: Contact Customer Service to make sure your network's firewall settings. 2. If other , the passive server will be...
Synology High Availability SHA Troubleshooting Guide for DSM 7.1 - Page 26

... Customer Service to Synology High Availability > Network. 2. Chapter 2: SHA Troubleshooting Resolution For cause 1: 1. Select Configure Server Network and modify the network settings to contact Synology Technical Support for the Heartbeat and primary cluster connection are attached properly, or replace them with another Ethernet cable. • Try another switch. 2. If the problem...
Synology High Availability SHA Troubleshooting Guide for DSM 7.1 - Page 38

...network configurations. Suggestion: Please refer to differences in the two models. Cause Heartbeat interface LAN X is set as the default gateway, but Heartbeat interfaces cannot connect to contact Synology Technical Support for further assistance. Details: The switchover service of two different models (hybrid high-availability cluster). Cause Hybrid Share is temporarily unavailable...
Virtual Machine Manager s White Paper - Page 10

... other platforms, such as separate access passwords can help. Services originally created in any browser window. Depending on the capacity of test systems. That means setups can be restored, run on Synology QuickConnect to make sharing access to lose one or more . VMM relies on your Synology NAS, such setups can be set a variety of hardware and network...
Virtual Machine Manager s White Paper - Page 15

... for additional SSD cache. Virtual disk space reclamation VMM version 2.3.0 and DSM 6.2 and above support virtual disk space reclamation. Virtual disk interfaces Users have internal slots for the latest and older Synology NAS models are constantly updated on our compatibility pages. The VirtIO interface is supported in VMM. Full updated lists of VirtIO drivers. For more...

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We have the following 25 documents available for the Synology RS2421RP:
  • Synology MailPlus Server Administrator s Guide - Based on MailPlus Server 2.3
  • Synology NAS Users Guide - Based on DSM 7.1
  • Surveillance Station Users Guide - Based on version 8.2
  • Synology Directory Server Administrator s Guide for DSM 7.1
  • Synology High Availability SHA Troubleshooting Guide for DSM 7.1
  • Synology High Availability SHA User Guide for DSM 7.1
  • Synology High Availability SHA User Guide for DSM 7.0
  • Transactions in Surveillance Station 8.1.0 and above
  • Hardware Installation Guide
  • SNMP MIB Guide
  • Recovery Media Creation Guide
  • 15 More!
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