Zabbix Documentation 2.2

3.04.04.45.0 (current)| In development:5.2 (devel)| Unsupported:1.82.02.22.43.23.44.2Guidelines

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manual:installation:upgrade_notes_220

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manual:installation:upgrade_notes_220 [2014/11/12 14:05]
asaveljevs added word "agent" to availability messages
manual:installation:upgrade_notes_220 [2017/02/16 10:09] (current)
martins-v note about case-sensitive MySQL database
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   * The "​mysqli"​ PHP extension is required instead of "​mysql"​   * The "​mysqli"​ PHP extension is required instead of "​mysql"​
   * Accepted data limit when using Zabbix protocol was changed from 128MB to 64MB.   * Accepted data limit when using Zabbix protocol was changed from 128MB to 64MB.
 +
 +=== Case-sensitive MySQL database ===
 +
 +A case-sensitive MySQL database is required for proper server work. It is [[:​manual/​appendix/​install/​db_scripts#​mysql|recommended]] to create a case-sensitive MySQL database during new installations. If you created a MySQL database with the utf8 character set previously, in order to support case sensitiveness of stored data, you need to convert the charset to utf8_bin.
  
 === New upgrade procedure === === New upgrade procedure ===
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 Since Zabbix 2.2 "​Read-write"​ permissions have precedence over "​Read"​ permissions. Previously, if a user (through two different user groups) had both "​Read"​ and "​Read-write"​ permissions to a specific host, the host was only "​Read"​ to them. Now it will be "​Read-write"​. Since Zabbix 2.2 "​Read-write"​ permissions have precedence over "​Read"​ permissions. Previously, if a user (through two different user groups) had both "​Read"​ and "​Read-write"​ permissions to a specific host, the host was only "​Read"​ to them. Now it will be "​Read-write"​.
 +
 +=== Trigger calculation changes with item history=0 ===
 +
 +Previously you could set the //Keep history// option in item configuration to 0 and still have those triggers working that used only the last value in calculation. Starting with the introduction of [[:​manual/​introduction/​whatsnew220#​value_cache_for_faster_access_to_history_data|value cache]] in Zabbix 2.2, no trigger functions will be calculated if item history is set to 0.
  
 === Changed maintenance period logic === === Changed maintenance period logic ===