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Filesystem monitoring- Product information
- Release notes
Overview
filesystem extension, monitor your files on Windows and Linux OneAgent installations.
Targeting can be done by host, host group, management zone or environment. Tags can be applied to segregate your configurations (100 configurations maximum).
For each path check, Dynatrace will create an entity and link it to the matching host. This way, extension filtering and tagging is possible to view your data. The same can be done with alerts.
Checks can be disabled for specific days and at specific times.
Metrics:
-
File count: Number of files matching a pattern
-
File age count: Number of files matching a pattern and an age
-
File age: Age of a specific file (oldest or newest when returning more than 1 file)
-
File size: Size of the files in bytes
-
Mount point: Is a mount point mounted on Unix NFS
Use cases
Path examples:
- Count the number of log files inside /var/log/myapp
Select check type = count
Path = /var/log/myapp/*.log - Count the number of log files inside c:\temp
Select check type = count
Path = c:\temp*.log - Count the number of logs files inside /var/log/myapp and any subdirectories
Select check type = count
Path = /var/log/myapp/**/*.log - Does the directory mydir inside /tmp exist?
Select check type = count
Path /tmp/mydir
Ensure that the count directories toggle is enabled - Count the number of files inside /tmp
Select check type = count
Path = /tmp/* - Return the total size of all files files inside /var/log/myapp
Select check type = size
Path = /var/log/myapp/* - Return the age of the oldest file in /tmp/test/
Select check type = modification age
Unselect user newest file
Path = /tmp/test/* - Return the number of log files older than 1 hour in /tmp/test
Select check type = modification age count
Set Age comparison operator to Older than
Set the threshold to 60
Path = /tmp/test/*.log - Check if /data/mount-data is mounted
Select check type = mount point
Path = /data/mount-data - Check that today's log has been produced: /var/mylog20222211.log
Select check type = count
Path = /var/mylogYYYYMMDD.log
Accepts DDMMYYYY, DD-MM-YYYY, DD_MM_YYYY, YYYYMMDD. YYYY-MM-DD, YYYY_MM_DD.
The date will be the local date where the OneAgent/extension is running.
Schedules:
When schedule is not selected, the check will run 24/7.
If the check should not be performed on a Sunday, select schedule and untick Sunday.
Time windows can be added by entering the start time (use semi colon for multiple windows).
For each time, the schedule duration field will be added to determine the end. See example for only running from 10:00 and 12:00 for 1 hour.
File system types
Local File Systems
-
On Linux the extension supports local file systems as long as the
dtuseraccount can see the files. The file must be at least readable by thedtuserif not, it will be invisible to the extension. If you wish to use another account then use the run_as functionality tosudo -u <username>to switch to a user with permissions. -
On Windows, The file must be at least readable by
LOCAL SERVICEif not, it will be invisible to the extension.
NFS
- On Linux ensure
dtuseror the run_as user has permissions. - On Windows you are able to see NFS drives ** ONLY IF ** if you run_as another user and enter their information or choose the account from credential vault to run the checks as.
- Only standard NFS drives connected via Windows Explorer are supported.
Azure Blob storage is supported.
When selected, 2 new fields will appear. The azure account and the key.
Ensure that there is connectivity with azure from the oneAgent.
Run As additional information
Windows Run As
- On Windows
run asthe user must be able to login locally.- Logon Type policy change to allow type 2
- If you are using a local user for the domain enter prefix the username with ".\" example:
.\username
Linux Run As
- sudo
- When no username is entered dtuser will run
sudoon the checks to elevate privileges.- Ensure dtuser has sudo permissions and is setup passwordless in the sudoers file.
- If you enter a username, it will run
sudo -u <username> commandHowever, sudo requires the calling user to have permissions. dtuser must be setup passwordless as before above.
- When no username is entered dtuser will run
- sesu
- A username must be entered. This account being used must be setup to be run passwordless. it will run
sesu -<user> -c command
- A username must be entered. This account being used must be setup to be run passwordless. it will run
Compatibility information
This a OneAgent extension compatible with Windows and Linux.
Cluster version 1.254 and OneAgent 1.249 minimum.
Azure blob storage is supported
Extension content
Content typeNumber of items included
metric metadata
5
generic type
1
Full version history
To have more information on how to install the downloaded package, please follow the instructions on this page.
ReleaseDate
Full version history
New Features
sesuhas been added in the assume user options for linux hosts.
Full version history
Bugfix
run_as Linux: dtuser correctly callssudowhen a username is omitted.
Full version history
New Feature
- Run As functionality implemented in Linux.
- This uses sudo when running checks. Which will call
sudoasdtuser. But if the username field has a value it will runsudo -u <username>
- This uses sudo when running checks. Which will call
Bug Fixes
- Modification Age check has been fixed on glob patterns, now returns correct age.
Full version history
- Improves feel of monitoring configuration screen by moving check descriptions to Check type field tooltip
Full version history
BugFix
- Run_As functionality works as expected again
Full version history
New Features
- Added ability to enrich metrics with up to 3 additional metadata fields
Full version history
New Feature
- 3 new dynamic dates where the month is a 3 character identifier
- DDMMMYYYY ex: 17MAR2025
- DDMmmYYYY ex: 17Mar2025
- DDmmmYYYY ex: 12mar2025
Bug Fixes
General
- AzureFileCount works again.
Run_As bugfixes
- Spaces in FileName will no longer break checks
- Backslashes no longer disappear on the path dimension upon ingest to tenant
- Logging Fix
Full version history
New feature
- Now has the ability to run as another user on windows hosts.
- Running as user with permission to access network drives on windows hosts you are now able to query those network drives with selected check.
Full version history
Fixed metric file age count when a file is modified during the check.
Full version history
Added detection of modification time on folders.
Use /tmp/myfolder as path (with no wildcard) to return the most recently modified file date inside the folder.
Useful when files are very transient (appear less than 60 seconds) or with a very large number of files (no scanning required).