diff options
Diffstat (limited to 'templates/module/linux/README.md')
| -rw-r--r-- | templates/module/linux/README.md | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/templates/module/linux/README.md b/templates/module/linux/README.md index d0fe7f644da..73f6e5b5c56 100644 --- a/templates/module/linux/README.md +++ b/templates/module/linux/README.md @@ -35,7 +35,7 @@ There are no template links in this template. |CPU |Load average (1m avg) |<p>-</p> |ZABBIX_PASSIVE |system.cpu.load[all,avg1] | |CPU |Load average (5m avg) |<p>-</p> |ZABBIX_PASSIVE |system.cpu.load[all,avg5] | |CPU |Load average (15m avg) |<p>-</p> |ZABBIX_PASSIVE |system.cpu.load[all,avg15] | -|CPU |CPU utilization |<p>CPU utilization in %</p> |DEPENDENT |system.cpu.util<p>**Preprocessing**:</p><p>- JAVASCRIPT: `//Calculate utilization return (100 - value)`</p> | +|CPU |CPU utilization |<p>CPU utilization in %.</p> |DEPENDENT |system.cpu.util<p>**Preprocessing**:</p><p>- JAVASCRIPT: `//Calculate utilization return (100 - value)`</p> | |CPU |CPU idle time |<p>The time the CPU has spent doing nothing.</p> |ZABBIX_PASSIVE |system.cpu.util[,idle] | |CPU |CPU system time |<p>The time the CPU has spent running the kernel and its processes.</p> |ZABBIX_PASSIVE |system.cpu.util[,system] | |CPU |CPU user time |<p>The time the CPU has spent running users' processes that are not niced.</p> |ZABBIX_PASSIVE |system.cpu.util[,user] | @@ -44,8 +44,8 @@ There are no template links in this template. |CPU |CPU steal time |<p>The amount of CPU 'stolen' from this virtual machine by the hypervisor for other tasks (such as running another virtual machine).</p> |ZABBIX_PASSIVE |system.cpu.util[,steal] | |CPU |CPU interrupt time |<p>The amount of time the CPU has been servicing hardware interrupts.</p> |ZABBIX_PASSIVE |system.cpu.util[,interrupt] | |CPU |CPU softirq time |<p>The amount of time the CPU has been servicing software interrupts.</p> |ZABBIX_PASSIVE |system.cpu.util[,softirq] | -|CPU |CPU guest time |<p>Guest time (time spent running a virtual CPU for a guest operating system)</p> |ZABBIX_PASSIVE |system.cpu.util[,guest] | -|CPU |CPU guest nice time |<p>Time spent running a niced guest (virtual CPU for guest operating systems under the control of the Linux kernel)</p> |ZABBIX_PASSIVE |system.cpu.util[,guest_nice] | +|CPU |CPU guest time |<p>Guest time (time spent running a virtual CPU for a guest operating system).</p> |ZABBIX_PASSIVE |system.cpu.util[,guest] | +|CPU |CPU guest nice time |<p>Time spent running a niced guest (virtual CPU for guest operating systems under the control of the Linux kernel).</p> |ZABBIX_PASSIVE |system.cpu.util[,guest_nice] | |CPU |Context switches per second |<p>-</p> |ZABBIX_PASSIVE |system.cpu.switches<p>**Preprocessing**:</p><p>- CHANGE_PER_SECOND</p> | |CPU |Interrupts per second |<p>-</p> |ZABBIX_PASSIVE |system.cpu.intr<p>**Preprocessing**:</p><p>- CHANGE_PER_SECOND</p> | @@ -78,6 +78,8 @@ No specific Zabbix configuration is required. |Name|Description|Default| |----|-----------|-------| +|{$VFS.FS.FREE.MIN.CRIT} |<p>The critical threshold of the filesystem utilization.</p> |`5G` | +|{$VFS.FS.FREE.MIN.WARN} |<p>The warning threshold of the filesystem utilization.</p> |`10G` | |{$VFS.FS.FSNAME.MATCHES} |<p>This macro is used in filesystems discovery. Can be overridden on the host or linked template level</p> |`.+` | |{$VFS.FS.FSNAME.NOT_MATCHES} |<p>This macro is used in filesystems discovery. Can be overridden on the host or linked template level</p> |`^(/dev|/sys|/run|/proc|.+/shm$)` | |{$VFS.FS.FSTYPE.MATCHES} |<p>This macro is used in filesystems discovery. Can be overridden on the host or linked template level</p> |`^(btrfs|ext2|ext3|ext4|reiser|xfs|ffs|ufs|jfs|jfs2|vxfs|hfs|apfs|refs|ntfs|fat32|zfs)$` | @@ -110,8 +112,8 @@ There are no template links in this template. |Name|Description|Expression|Severity|Dependencies and additional info| |----|-----------|----|----|----| -|{#FSNAME}: Disk space is critically low (used > {$VFS.FS.PUSED.MAX.CRIT:"{#FSNAME}"}%) |<p>Two conditions should match: First, space utilization should be above {$VFS.FS.PUSED.MAX.CRIT:"{#FSNAME}"}.</p><p> Second condition should be one of the following:</p><p> - The disk free space is less than 5G.</p><p> - The disk will be full in less than 24 hours.</p> |`last(/Linux filesystems by Zabbix agent/vfs.fs.size[{#FSNAME},pused])>{$VFS.FS.PUSED.MAX.CRIT:"{#FSNAME}"} and ((last(/Linux filesystems by Zabbix agent/vfs.fs.size[{#FSNAME},total])-last(/Linux filesystems by Zabbix agent/vfs.fs.size[{#FSNAME},used]))<5G or timeleft(/Linux filesystems by Zabbix agent/vfs.fs.size[{#FSNAME},pused],1h,100)<1d) ` |AVERAGE |<p>Manual close: YES</p> | -|{#FSNAME}: Disk space is low (used > {$VFS.FS.PUSED.MAX.WARN:"{#FSNAME}"}%) |<p>Two conditions should match: First, space utilization should be above {$VFS.FS.PUSED.MAX.WARN:"{#FSNAME}"}.</p><p> Second condition should be one of the following:</p><p> - The disk free space is less than 10G.</p><p> - The disk will be full in less than 24 hours.</p> |`last(/Linux filesystems by Zabbix agent/vfs.fs.size[{#FSNAME},pused])>{$VFS.FS.PUSED.MAX.WARN:"{#FSNAME}"} and ((last(/Linux filesystems by Zabbix agent/vfs.fs.size[{#FSNAME},total])-last(/Linux filesystems by Zabbix agent/vfs.fs.size[{#FSNAME},used]))<10G or timeleft(/Linux filesystems by Zabbix agent/vfs.fs.size[{#FSNAME},pused],1h,100)<1d) ` |WARNING |<p>Manual close: YES</p><p>**Depends on**:</p><p>- {#FSNAME}: Disk space is critically low (used > {$VFS.FS.PUSED.MAX.CRIT:"{#FSNAME}"}%)</p> | +|{#FSNAME}: Disk space is critically low (used > {$VFS.FS.PUSED.MAX.CRIT:"{#FSNAME}"}%) |<p>Two conditions should match: First, space utilization should be above {$VFS.FS.PUSED.MAX.CRIT:"{#FSNAME}"}.</p><p> Second condition should be one of the following:</p><p> - The disk free space is less than {$VFS.FS.FREE.MIN.CRIT:"{#FSNAME}"}.</p><p> - The disk will be full in less than 24 hours.</p> |`last(/Linux filesystems by Zabbix agent/vfs.fs.size[{#FSNAME},pused])>{$VFS.FS.PUSED.MAX.CRIT:"{#FSNAME}"} and ((last(/Linux filesystems by Zabbix agent/vfs.fs.size[{#FSNAME},total])-last(/Linux filesystems by Zabbix agent/vfs.fs.size[{#FSNAME},used]))<{$VFS.FS.FREE.MIN.CRIT:"{#FSNAME}"} or timeleft(/Linux filesystems by Zabbix agent/vfs.fs.size[{#FSNAME},pused],1h,100)<1d) ` |AVERAGE |<p>Manual close: YES</p> | +|{#FSNAME}: Disk space is low (used > {$VFS.FS.PUSED.MAX.WARN:"{#FSNAME}"}%) |<p>Two conditions should match: First, space utilization should be above {$VFS.FS.PUSED.MAX.WARN:"{#FSNAME}"}.</p><p> Second condition should be one of the following:</p><p> - The disk free space is less than {$VFS.FS.FREE.MIN.WARN:"{#FSNAME}"}.</p><p> - The disk will be full in less than 24 hours.</p> |`last(/Linux filesystems by Zabbix agent/vfs.fs.size[{#FSNAME},pused])>{$VFS.FS.PUSED.MAX.WARN:"{#FSNAME}"} and ((last(/Linux filesystems by Zabbix agent/vfs.fs.size[{#FSNAME},total])-last(/Linux filesystems by Zabbix agent/vfs.fs.size[{#FSNAME},used]))<{$VFS.FS.FREE.MIN.WARN:"{#FSNAME}"} or timeleft(/Linux filesystems by Zabbix agent/vfs.fs.size[{#FSNAME},pused],1h,100)<1d) ` |WARNING |<p>Manual close: YES</p><p>**Depends on**:</p><p>- {#FSNAME}: Disk space is critically low (used > {$VFS.FS.PUSED.MAX.CRIT:"{#FSNAME}"}%)</p> | |{#FSNAME}: Running out of free inodes (free < {$VFS.FS.INODE.PFREE.MIN.CRIT:"{#FSNAME}"}%) |<p>It may become impossible to write to disk if there are no index nodes left.</p><p>As symptoms, 'No space left on device' or 'Disk is full' errors may be seen even though free space is available.</p> |`min(/Linux filesystems by Zabbix agent/vfs.fs.inode[{#FSNAME},pfree],5m)<{$VFS.FS.INODE.PFREE.MIN.CRIT:"{#FSNAME}"}` |AVERAGE | | |{#FSNAME}: Running out of free inodes (free < {$VFS.FS.INODE.PFREE.MIN.WARN:"{#FSNAME}"}%) |<p>It may become impossible to write to disk if there are no index nodes left.</p><p>As symptoms, 'No space left on device' or 'Disk is full' errors may be seen even though free space is available.</p> |`min(/Linux filesystems by Zabbix agent/vfs.fs.inode[{#FSNAME},pfree],5m)<{$VFS.FS.INODE.PFREE.MIN.WARN:"{#FSNAME}"}` |WARNING |<p>**Depends on**:</p><p>- {#FSNAME}: Running out of free inodes (free < {$VFS.FS.INODE.PFREE.MIN.CRIT:"{#FSNAME}"}%)</p> | @@ -154,7 +156,7 @@ There are no template links in this template. |-----|----|-----------|----|---------------------| |Memory |Memory utilization |<p>Memory used percentage is calculated as (100-pavailable)</p> |DEPENDENT |vm.memory.utilization<p>**Preprocessing**:</p><p>- JAVASCRIPT: `return (100-value);`</p> | |Memory |Available memory in % |<p>Available memory as percentage of total. See also Appendixes in Zabbix Documentation about parameters of the vm.memory.size item.</p> |ZABBIX_PASSIVE |vm.memory.size[pavailable] | -|Memory |Total memory |<p>Total memory in Bytes</p> |ZABBIX_PASSIVE |vm.memory.size[total] | +|Memory |Total memory |<p>Total memory in Bytes.</p> |ZABBIX_PASSIVE |vm.memory.size[total] | |Memory |Available memory |<p>Available memory, in Linux, available = free + buffers + cache. On other platforms calculation may vary. See also Appendixes in Zabbix Documentation about parameters of the vm.memory.size item.</p> |ZABBIX_PASSIVE |vm.memory.size[available] | |Memory |Total swap space |<p>The total space of swap volume/file in bytes.</p> |ZABBIX_PASSIVE |system.swap.size[,total] | |Memory |Free swap space |<p>The free space of swap volume/file in bytes.</p> |ZABBIX_PASSIVE |system.swap.size[,free] | @@ -166,7 +168,7 @@ There are no template links in this template. |----|-----------|----|----|----| |High memory utilization (>{$MEMORY.UTIL.MAX}% for 5m) |<p>The system is running out of free memory.</p> |`min(/Linux memory by Zabbix agent/vm.memory.utilization,5m)>{$MEMORY.UTIL.MAX}` |AVERAGE |<p>**Depends on**:</p><p>- Lack of available memory (<{$MEMORY.AVAILABLE.MIN} of {ITEM.VALUE2})</p> | |Lack of available memory (<{$MEMORY.AVAILABLE.MIN} of {ITEM.VALUE2}) |<p>-</p> |`max(/Linux memory by Zabbix agent/vm.memory.size[available],5m)<{$MEMORY.AVAILABLE.MIN} and last(/Linux memory by Zabbix agent/vm.memory.size[total])>0` |AVERAGE | | -|High swap space usage (less than {$SWAP.PFREE.MIN.WARN}% free) |<p>This trigger is ignored, if there is no swap configured</p> |`max(/Linux memory by Zabbix agent/system.swap.size[,pfree],5m)<{$SWAP.PFREE.MIN.WARN} and last(/Linux memory by Zabbix agent/system.swap.size[,total])>0` |WARNING |<p>**Depends on**:</p><p>- High memory utilization (>{$MEMORY.UTIL.MAX}% for 5m)</p><p>- Lack of available memory (<{$MEMORY.AVAILABLE.MIN} of {ITEM.VALUE2})</p> | +|High swap space usage (less than {$SWAP.PFREE.MIN.WARN}% free) |<p>This trigger is ignored, if there is no swap configured.</p> |`max(/Linux memory by Zabbix agent/system.swap.size[,pfree],5m)<{$SWAP.PFREE.MIN.WARN} and last(/Linux memory by Zabbix agent/system.swap.size[,total])>0` |WARNING |<p>**Depends on**:</p><p>- High memory utilization (>{$MEMORY.UTIL.MAX}% for 5m)</p><p>- Lack of available memory (<{$MEMORY.AVAILABLE.MIN} of {ITEM.VALUE2})</p> | ## Feedback |