Moving the bundle from CMX to a different machine If High Availability is disabled, online and offline backups are supported on both primary and secondary. Note: If High Availability is established, online backup is supported only on primary server. If High Availability is not currently established between primary and secondary server, first determine which CMX has complete and most recent data and create a backup from it. Simply run cmxos backup -all -online command and transfer the files from the primary server. If the High Availability is currently up and running, since all databases are synced between primary and secondary, taking the backup from primary CMX is enough to save all client data. Created backup file /tmp/cmx_backup_mse33752_2019_04_28_22_39.tar.gz Backing up a High Availability setup Requested clearing snapshot(s) for Īt the end of the output, name of the backup archive is specified: Done Backup. Running: /opt/apache-cassandra-3.9/bin/nodetool -ssl -h -p 7199 clearsnapshot Running: sudo -u cmx /opt/cmx/bin/cmxctl dump Running: sudo -u cmx /opt/cmx/bin/cmxctl version In PuTTY, this can be done under "Connection" ~]$ cmxos backup -online -all Make sure to enable keepalive messages in your SSH client so that the session does not time out while backup is being created. On a fully loaded and utilized CMX, creation of backup bundle can take up to an hour. On a freshly installed CMX, backup process takes ~30 seconds. It is recommended to use the default /tmp directory. Directory needs to have read, write and execute permissions. You are prompted to enter the directory where you want to save the backup tar.gz archive. Add the parameter -online to perform the backup without stopping the CMX services. ![]() By default, backup process stops CMX services while being performed. Add the -allparameter to include the Influxdb data as well. By default, backup includes database, cache, cassandra, floormaps, licenses, setup, connectimages and configuration. ![]() Backup process Creating the backup bundleĬMX, no matter where installed, can be backed up using a cmxos backup command. If your network is live, ensure that you understand the potential impact of any command. All of the devices used in this document started with a cleared (default) configuration. The information in this document was created from the devices in a specific lab environment. Connectimages - Stores Images on Connect Captive Portal.Licenses - Stores Cisco CMX license information.Floormaps - Stores floor images for UI display.Influxdb - Stores metrics data for systems (not included by default).Cassandra - Stores location history data and analytics raw visits.Database - Stores configuration data, such as, maps, controllers, location, and aggregated analytics data.These components of CMX can be backed up: ![]() This includes CMX installed on a physical 3365/3375 appliance, as well as on a virtual machine. Components UsedĪll tests were performed on a CMX 10.6.0-177 running on MSE 3375 appliance, MacOS 10.4 and Windows 10 October 2018 update. This document describes how to back up and restore configuration and client data on a Cisco CMX 10.5 and later Prerequisites Requirements
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![]() As explained above, pin numbering starts from 0. Hence A0 to A5 are six pins.Īrduino MEGA 2560 boards have sixteen analog input pins, labelled A0 to A15. Because pin numbering starts from 0, there are actually six pins. At first glance A0 to A5 looks like five pins. Arduino Analog Input PinsĪrduino Uno boards have six analog input pins, labelled A0 to A5. The potentiometer varies or changes the voltage on the Arduino analog input pin. Use a potentiometer in this part of the Arduino tutorial for beginners in order to read an analog input with Arduino. In addition, it provides basic information on potentiometers. This article shows different potentiometer symbols used in circuit diagrams. The potentiometer article on this website has more information on potentiometers for beginners. Turn the shaft or screw of the potentiometer to change its resistance. PotentiometerĪ potentiometer is a variable resistor. In addition it is important to know what an Arduino analog input is. To engage in discussion regarding this post, please post on our Community Forum.What is a Potentiometer and Analog Input?īefore reading an analog input with Arduino, it is important to know what a potentiometer is. Spot the common thread in my last few blog posts! I'm planning on using the ATmega32U4 in the emonTx SMT that I'm currently working on. Download it here: įor a simple RFM12B transmission demo/example see: Update: Pull request has been merged, RF12 part of JeeLib Arduino library now has ATmega32U4 support :-). I'm going to send JCW a git pull request to see if these changes can be integrated into the JeeLib library so it should work 'out of the box' in the future. #define SPI_SCK 15 // PB1, pin 9, Digital15 #define SPI_MOSI 16 // PB2, pin 10, Digital16 #define SPI_MISO 14 // PB3, pin 11, Digital14 #define SPI_SS 17 // PB0, pin 8, Digital17 No change to RFM12.cpp is needed, just download the latest version, see update below. To make the JeeLib library work with the Leonardo and RFM12B (hooked up as above) the following needs to be inserted into the RF12.cpp file on line 62 before the else // ATmega168, ATmega328, etc. Arduino 1.0.1 is needed to be compatible with Leonardo. The library needs to be installed in the Arduino library's folder in the usual way. We use the RFM12B driver as part of the JeeLib library from JeeLabs. Now the hardware is complete it's time to tackle the software. Īrduino Leonardo Connections to RFM12B via JeeLabs RFM12B breakout for level shifting to 3.3V See the RFM12B documentation page for general info on RFM12B and details of how to interface with ATmega328. The SEL connection is the same as with the Arduino UNO/ATmega328 goes to digital 10. This has moved from Digital 2 on the Arduino Uno. The IRQ Interrupt connection is made to Digital 3 (INT0). Can anyone explain why this is the case? It's not a big problem, we can use another pin as SS, digital 10 in this case. The SPI SS pin on the Leonardo is not broken out anywhere on the board, strangely it's used for the Rx LED. Unlike on the Arduino Uno These SPI pins are not accessible through any of the digital I/O pins, on om the Leonardo, their only accessible through the ICSP header. ![]() ![]() Once of the main differences is that the hardware ISP connections are no longer on digital pins 10,11,12 and 13. I made a re-arranged table with the ports re-arranged into function groups. The Arduino port mapping table proves very useful, if a little difficult to interpret. The ATmega 32U4's 'special function' ports such as PWM, IRQ, SPI etc are quite different to the ATmega328. ![]() It's been a bit of port mapping nightmare! I've just managed to get an RFM12B hooked up to an Arduino Leonardo. In 2019, the company became a board member of the SD Association. Īfter several years of contributions to the Linux kernel, Tuxera joined the Linux Foundation in 2011. In 2009 the company signed agreements with Microsoft, which was followed by global expansion and establishing collaboration with chipset vendors and software platform companies. Commercial activity started in 2007 and the company was founded next year. In 2006, NTFS-3G became the first driver to gain full read and write support. Meanwhile, Szabolcs Szakacsits continued to lead a platform-independent project under the name NTFS-3G. At that time Anton Altaparmakov emerged as the lead developer and maintainer of the Linux NTFS kernel driver. NTFS had been introduced in 1993 by Microsoft as the file system for Windows NT. The origin of the company dates back to the open-source NTFS development in the late 1990s. Tuxera has network file systems that support enterprise storage use cases as well. The company focuses on data management software for embedded systems: industry-standard file system technologies ( APFS, exFAT, FAT, HFS+, NTFS), other embedded proprietary file systems, flash translation layer software, and networking stacks. Tuxera's other offices are located in the US, South Korea, Japan, Hungary, Germany, Taiwan and China. The company was founded in 2008 and is headquartered in Espoo, Finland. ![]() ![]() (natively Tuxera Oy) is a Finnish company that develops and sells file systems, flash management and networking software. |
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