diff options
Diffstat (limited to 'templates/os/linux/README.md')
| -rw-r--r-- | templates/os/linux/README.md | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/templates/os/linux/README.md b/templates/os/linux/README.md index a7e05812843..ffbda3fb2d0 100644 --- a/templates/os/linux/README.md +++ b/templates/os/linux/README.md @@ -36,6 +36,8 @@ No specific Zabbix configuration is required. |{$VFS.DEV.DEVNAME.NOT_MATCHES} |<p>This macro is used in block devices discovery. Can be overridden on the host or linked template level</p> |`^(loop[0-9]*|sd[a-z][0-9]+|nbd[0-9]+|sr[0-9]+|fd[0-9]+|dm-[0-9]+|ram[0-9]+|ploop[a-z0-9]+|md[0-9]*|hcp[0-9]*|zram[0-9]*)` | |{$VFS.DEV.READ.AWAIT.WARN} |<p>Disk read average response time (in ms) before the trigger would fire</p> |`20` | |{$VFS.DEV.WRITE.AWAIT.WARN} |<p>Disk write average response time (in ms) before the trigger would fire</p> |`20` | +|{$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> |`.+` | |{$VFS.FS.FSNAME.NOT_MATCHES} |<p>This macro is used in filesystems discovery. Can be overridden on the host or linked template level</p> |`^(/dev|/sys|/run|/proc|.+/shm$)` | |{$VFS.FS.FSTYPE.MATCHES} |<p>This macro is used in filesystems discovery. Can be overridden on the host or linked template level</p> |`^(btrfs|ext2|ext3|ext4|reiser|xfs|ffs|ufs|jfs|jfs2|vxfs|hfs|apfs|refs|ntfs|fat32|zfs)$` | @@ -65,7 +67,7 @@ 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] | @@ -74,8 +76,8 @@ 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> | |Filesystems |{#FSNAME}: Used space |<p>Used storage in Bytes</p> |ZABBIX_PASSIVE |vfs.fs.size[{#FSNAME},used] | @@ -96,7 +98,7 @@ There are no template links in this template. |Inventory |Software installed |<p>-</p> |ZABBIX_PASSIVE |system.sw.packages<p>**Preprocessing**:</p><p>- DISCARD_UNCHANGED_HEARTBEAT: `1d`</p> | |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] | @@ -132,8 +134,8 @@ There are no template links in this template. |----|-----------|----|----|----| |Load average is too high (per CPU load over {$LOAD_AVG_PER_CPU.MAX.WARN} for 5m) |<p>Per CPU load average is too high. Your system may be slow to respond.</p> |`min(/Linux by Zabbix agent/system.cpu.load[all,avg1],5m)/last(/Linux by Zabbix agent/system.cpu.num)>{$LOAD_AVG_PER_CPU.MAX.WARN} and last(/Linux by Zabbix agent/system.cpu.load[all,avg5])>0 and last(/Linux by Zabbix agent/system.cpu.load[all,avg15])>0` |AVERAGE | | |High CPU utilization (over {$CPU.UTIL.CRIT}% for 5m) |<p>CPU utilization is too high. The system might be slow to respond.</p> |`min(/Linux by Zabbix agent/system.cpu.util,5m)>{$CPU.UTIL.CRIT}` |WARNING |<p>**Depends on**:</p><p>- Load average is too high (per CPU load over {$LOAD_AVG_PER_CPU.MAX.WARN} for 5m)</p> | -|{#FSNAME}: Disk space is critically low (used > {$VFS.FS.PUSED.MAX.CRIT:"{#FSNAME}"}%) |<p>Two conditions should match: First, space utilization should be above {$VFS.FS.PUSED.MAX.CRIT:"{#FSNAME}"}.</p><p> Second condition should be one of the following:</p><p> - The disk free space is less than 5G.</p><p> - The disk will be full in less than 24 hours.</p> |`last(/Linux by Zabbix agent/vfs.fs.size[{#FSNAME},pused])>{$VFS.FS.PUSED.MAX.CRIT:"{#FSNAME}"} and ((last(/Linux by Zabbix agent/vfs.fs.size[{#FSNAME},total])-last(/Linux by Zabbix agent/vfs.fs.size[{#FSNAME},used]))<5G or timeleft(/Linux 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 by Zabbix agent/vfs.fs.size[{#FSNAME},pused])>{$VFS.FS.PUSED.MAX.WARN:"{#FSNAME}"} and ((last(/Linux by Zabbix agent/vfs.fs.size[{#FSNAME},total])-last(/Linux by Zabbix agent/vfs.fs.size[{#FSNAME},used]))<10G or timeleft(/Linux by Zabbix agent/vfs.fs.size[{#FSNAME},pused],1h,100)<1d) ` |WARNING |<p>Manual close: YES</p><p>**Depends on**:</p><p>- {#FSNAME}: Disk space is critically low (used > {$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 {$VFS.FS.FREE.MIN.CRIT:"{#FSNAME}"}.</p><p> - The disk will be full in less than 24 hours.</p> |`last(/Linux by Zabbix agent/vfs.fs.size[{#FSNAME},pused])>{$VFS.FS.PUSED.MAX.CRIT:"{#FSNAME}"} and ((last(/Linux by Zabbix agent/vfs.fs.size[{#FSNAME},total])-last(/Linux by Zabbix agent/vfs.fs.size[{#FSNAME},used]))<{$VFS.FS.FREE.MIN.CRIT:"{#FSNAME}"} or timeleft(/Linux by Zabbix agent/vfs.fs.size[{#FSNAME},pused],1h,100)<1d) ` |AVERAGE |<p>Manual close: YES</p> | +|{#FSNAME}: Disk space is low (used > {$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 by Zabbix agent/vfs.fs.size[{#FSNAME},pused])>{$VFS.FS.PUSED.MAX.WARN:"{#FSNAME}"} and ((last(/Linux by Zabbix agent/vfs.fs.size[{#FSNAME},total])-last(/Linux by Zabbix agent/vfs.fs.size[{#FSNAME},used]))<{$VFS.FS.FREE.MIN.WARN:"{#FSNAME}"} or timeleft(/Linux 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 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 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> | |System time is out of sync (diff with Zabbix server > {$SYSTEM.FUZZYTIME.MAX}s) |<p>The host system time is different from the Zabbix server time.</p> |`fuzzytime(/Linux by Zabbix agent/system.localtime,{$SYSTEM.FUZZYTIME.MAX})=0` |WARNING |<p>Manual close: YES</p> | @@ -144,7 +146,7 @@ There are no template links in this template. |Operating system description has changed |<p>Operating system description has changed. Possible reasons that system has been updated or replaced. Ack to close.</p> |`last(/Linux by Zabbix agent/system.sw.os,#1)<>last(/Linux by Zabbix agent/system.sw.os,#2) and length(last(/Linux by Zabbix agent/system.sw.os))>0` |INFO |<p>Manual close: YES</p><p>**Depends on**:</p><p>- System name has changed (new name: {ITEM.VALUE})</p> | |High memory utilization (>{$MEMORY.UTIL.MAX}% for 5m) |<p>The system is running out of free memory.</p> |`min(/Linux by Zabbix agent/vm.memory.utilization,5m)>{$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 by Zabbix agent/vm.memory.size[available],5m)<{$MEMORY.AVAILABLE.MIN} and last(/Linux by Zabbix agent/vm.memory.size[total])>0` |AVERAGE | | -|High swap space usage (less than {$SWAP.PFREE.MIN.WARN}% free) |<p>This trigger is ignored, if there is no swap configured</p> |`max(/Linux by Zabbix agent/system.swap.size[,pfree],5m)<{$SWAP.PFREE.MIN.WARN} and last(/Linux by Zabbix agent/system.swap.size[,total])>0` |WARNING |<p>**Depends on**:</p><p>- High memory utilization (>{$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 by Zabbix agent/system.swap.size[,pfree],5m)<{$SWAP.PFREE.MIN.WARN} and last(/Linux by Zabbix agent/system.swap.size[,total])>0` |WARNING |<p>**Depends on**:</p><p>- High memory utilization (>{$MEMORY.UTIL.MAX}% for 5m)</p><p>- Lack of available memory (<{$MEMORY.AVAILABLE.MIN} of {ITEM.VALUE2})</p> | |Interface {#IFNAME}: High bandwidth usage (>{$IF.UTIL.MAX:"{#IFNAME}"}%) |<p>The network interface utilization is close to its estimated maximum bandwidth.</p> |`(avg(/Linux by Zabbix agent/net.if.in["{#IFNAME}"],15m)>({$IF.UTIL.MAX:"{#IFNAME}"}/100)*last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]) or avg(/Linux by Zabbix agent/net.if.out["{#IFNAME}"],15m)>({$IF.UTIL.MAX:"{#IFNAME}"}/100)*last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])) and last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])>0`<p>Recovery expression:</p>`avg(/Linux by Zabbix agent/net.if.in["{#IFNAME}"],15m)<(({$IF.UTIL.MAX:"{#IFNAME}"}-3)/100)*last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"]) and avg(/Linux by Zabbix agent/net.if.out["{#IFNAME}"],15m)<(({$IF.UTIL.MAX:"{#IFNAME}"}-3)/100)*last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/speed"])` |WARNING |<p>Manual close: YES</p><p>**Depends on**:</p><p>- Interface {#IFNAME}: Link down</p> | |Interface {#IFNAME}: High error rate (>{$IF.ERRORS.WARN:"{#IFNAME}"} for 5m) |<p>Recovers when below 80% of {$IF.ERRORS.WARN:"{#IFNAME}"} threshold</p> |`min(/Linux by Zabbix agent/net.if.in["{#IFNAME}",errors],5m)>{$IF.ERRORS.WARN:"{#IFNAME}"} or min(/Linux by Zabbix agent/net.if.out["{#IFNAME}",errors],5m)>{$IF.ERRORS.WARN:"{#IFNAME}"}`<p>Recovery expression:</p>`max(/Linux by Zabbix agent/net.if.in["{#IFNAME}",errors],5m)<{$IF.ERRORS.WARN:"{#IFNAME}"}*0.8 and max(/Linux by Zabbix agent/net.if.out["{#IFNAME}",errors],5m)<{$IF.ERRORS.WARN:"{#IFNAME}"}*0.8` |WARNING |<p>Manual close: YES</p><p>**Depends on**:</p><p>- Interface {#IFNAME}: Link down</p> | |Interface {#IFNAME}: Link down |<p>This trigger expression works as follows:</p><p>1. Can be triggered if operations status is down.</p><p>2. {$IFCONTROL:"{#IFNAME}"}=1 - user can redefine Context macro to value - 0. That marks this interface as not important. No new trigger will be fired if this interface is down.</p><p>3. {TEMPLATE_NAME:METRIC.diff()}=1) - trigger fires only if operational status was up(1) sometime before. (So, do not fire 'ethernal off' interfaces.)</p><p>WARNING: if closed manually - won't fire again on next poll, because of .diff.</p> |`{$IFCONTROL:"{#IFNAME}"}=1 and last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])=2 and (last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"],#1)<>last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"],#2))`<p>Recovery expression:</p>`last(/Linux by Zabbix agent/vfs.file.contents["/sys/class/net/{#IFNAME}/operstate"])<>2 or {$IFCONTROL:"{#IFNAME}"}=0` |AVERAGE |<p>Manual close: YES</p> | |