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cloudappliance/mastermasterdb [2018_09_18 13:53] – dan | cloudappliance/mastermasterdb [2020_04_13 20:31] – [Disclaimer] steven | ||
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- | ===== File Fabric HA: Master - Master Database with Automatic Failover ===== | + | ===== File Fabric HA Master - Master Database with Automatic Failover ===== |
- | last updated | + | == last updated |
==== Disclaimer ==== | ==== Disclaimer ==== | ||
The information in this document is provided on an as-is basis. You use it at your own risk. We accept no responsibility for errors or omissions, nor do we have any obligation to provide support for implementing or maintaining the configuration described here. Furthermore, | The information in this document is provided on an as-is basis. You use it at your own risk. We accept no responsibility for errors or omissions, nor do we have any obligation to provide support for implementing or maintaining the configuration described here. Furthermore, | ||
- | SME designs, implements and supports HA File Fabric solutions for customers on a paid professional services basis. For more information please contact sales@storagemadeeasy.com | + | SME designs, implements and supports HA (High Availability) |
<WRAP center round important 100%> | <WRAP center round important 100%> | ||
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== crontab == | == crontab == | ||
- | You must also disable some jobs in crontab, these should only run on one application server. Again, as root on smesql01 and smesql02: | + | You must also disable some jobs in crontab. |
< | < | ||
crontab -e -u smestorage | crontab -e -u smestorage | ||
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== Unlock Database and Create Users == | == Unlock Database and Create Users == | ||
- | On smesql01 we will complete the last database | + | On smesql02 we will complete the last database step there, to unlock the database. |
+ | < | ||
+ | mysql -e " | ||
+ | </ | ||
+ | |||
+ | Next, on smesql01, we will complete the last database | ||
< | < | ||
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==== Part IV ==== | ==== Part IV ==== | ||
+ | |||
+ | <WRAP center round important 100%> | ||
+ | If you will be using a load balancer to distribute traffic to your web servers, configure the load balancer to provide session stickiness. | ||
+ | </ | ||
=== Configure the application servers === | === Configure the application servers === | ||
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== crontab == | == crontab == | ||
- | You must also disable crontab | + | All of smestorage' |
**As root on smeweb02 only:** | **As root on smeweb02 only:** | ||
< | < | ||
- | =crontab -e -u smestorage | + | # crontab -e -u smestorage |
</ | </ | ||
- | Place a "#" infront | + | Place a # in front of six of the seven jobs listed |
- | + | ||
- | {{:: | + | |
Restart both servers, so on both smeweb01 and smeweb02, execute a reboot. | Restart both servers, so on both smeweb01 and smeweb02, execute a reboot. |