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Real disk space utilization

dgaikwad
Contributor
Contributor

Hi Experts,
I need to configure an alert for disk space utilization on a SIEM tool, but when I get the syslog alarm, I see that there are multiple of disks that are created. And each is mounted to a different directory.
I am presuming that the / or the root would be the aggregate of all the disks if not then which one is it?

Syslog out put:
8-13-2021 20:13:55 Local6.Notice 10.1.250.81 Aug 13 20:13:54 dgise30 CISE_System_Statistics 0000000082 2 0 2021-08-13 20:13:54.829 +05:30 0000003855 70000 NOTICE System-Stats: ISE Utilization, ConfigVersionId=73, SysStatsUtilizationCpu=3.15%, SysStatsUtilizationNetwork=vethb6512ea: rcvd = 22850\; sent = 16613 \;rcvd_dropped = 0\; sent_dropped = 0, SysStatsUtilizationNetwork=br-d2d3f7d460a0: rcvd = 284088\; sent = 287877 \;rcvd_dropped = 0\; sent_dropped = 0, SysStatsUtilizationNetwork=veth0e0ea06: rcvd = 0\; sent = 0 \;rcvd_dropped = 0\; sent_dropped = 0, SysStatsUtilizationNetwork=veth035f28d: rcvd = 16613\; sent = 22850 \;rcvd_dropped = 0\; sent_dropped = 0, SysStatsUtilizationMemory=81.26%, SysStatsUtilizationDiskIO=1.33%, SysStatsUtilizationDiskSpace=15% /, SysStatsUtilizationDiskSpace=1% /tmp, SysStatsUtilizationDiskSpace=26% /opt, SysStatsUtilizationDiskSpace=14% /boot, SysStatsUtilizationDiskSpace=2% /storedconfig, AverageRadiusRequestLatency=0, AverageTacacsRequestLatency=0,

CLI output:
Internal filesystems:
/ : 15% used ( 2667220 of 19523408)
/dev : 0% used ( 0 of 8120500)
/dev/shm : 0% used ( 0 of 8131980)
/run : 1% used ( 2000 of 8131980)
/sys/fs/cgroup : 0% used ( 0 of 8131980)
/tmp : 1% used ( 7492 of 1983056)
/opt : 26% used ( 42526024 of 175446036)
/boot : 14% used ( 120392 of 991512)
/storedconfig : 2% used ( 1583 of 95054)
/run/user/440 : 0% used ( 0 of 1626400)
/opt/docker/runtime/overlay2/de385305a14897f48eaa48cb9a5a8c293c17b30422419fb812066c660f3ccc75/merged : 26% used ( 42526024 of 175446036)
/run/user/301 : 0% used ( 0 of 1626400)
/run/user/308 : 0% used ( 0 of 1626400)
/run/user/321 : 0% used ( 0 of 1626400)
/run/user/0 : 0% used ( 0 of 1626400)
/opt/docker/runtime/overlay2/37657ba040003566fa21fd95a24e47304e92be268402a72eccebc14c890264d6/merged : 26% used ( 42526024 of 175446036)
/opt/docker/runtime/overlay2/a3782682afafba69c1bd432f44eb348540c54a26c4cd2cfd52e3daec7b046355/merged : 26% used ( 42526024 of 175446036)
/opt/docker/runtime/overlay2/bd84fb3bca963df83ec69b4ccb664a6a1fe36b85523af0e7fdb5581e5d0c718e/merged : 26% used ( 42526024 of 175446036)
/run/user/323 : 0% used ( 0 of 1626400)
/run/user/322 : 0% used ( 0 of 1626400)
/run/user/304 : 0% used ( 0 of 1626400)
/run/user/300 : 0% used ( 0 of 1626400)
/opt/docker/runtime/overlay2/5b2c68ae0974c65cb03a3b937a97868e722f5708d1ff92b3aef340a86bfd8066/merged : 26% used ( 42526024 of 175446036)
/opt/docker/runtime/overlay2/1104b3ac1040e6fa68fb46058e12d3d0b63bd26fc4a62c3f5eb560fcd629c50c/merged : 26% used ( 42526024 of 175446036)
all internal filesystems have sufficient free space

1 Accepted Solution

Accepted Solutions

Hi @dgaikwad ,

 you are able to check the disk via the show disk command:

ise/admin# show disk
Internal filesystems:
/ : 15% used ( 2667220 of 19523408)
/dev : 0% used ( 0 of 8120500)
...
/run : 1% used ( 2000 of 8131980)
...
/tmp : 1% used ( 7492 of 1983056)
/opt : 26% used ( 42526024 of 175446036)
/boot : 14% used ( 120392 of 991512)
/storedconfig : 2% used ( 1583 of 95054)
...

 you are able to check more information about the disk via the show inventory command:

ise/admin# show inventory
...
Hard Disk Count(*): 1
Disk 0: Device Name: /dev/sda
Disk 0: Capacity: 644.20 GB
...

The /dev, /run, /tmp, /opt, /boot, /storedconfig and /root are directories of the ADE-OS that you don't have access (only via root access).

 

Hope this helps !!!

View solution in original post

3 Replies 3

balaji.bandi
Hall of Fame
Hall of Fame

Not sure what is this device output (or i may be missed here)

 

df -h ( given you information) what volume.

 

/ - not necessarly root, ( it all depends how parted the HDD partition Physical or Logical HDD)

 

BB

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Hi @dgaikwad ,

 you are able to check the disk via the show disk command:

ise/admin# show disk
Internal filesystems:
/ : 15% used ( 2667220 of 19523408)
/dev : 0% used ( 0 of 8120500)
...
/run : 1% used ( 2000 of 8131980)
...
/tmp : 1% used ( 7492 of 1983056)
/opt : 26% used ( 42526024 of 175446036)
/boot : 14% used ( 120392 of 991512)
/storedconfig : 2% used ( 1583 of 95054)
...

 you are able to check more information about the disk via the show inventory command:

ise/admin# show inventory
...
Hard Disk Count(*): 1
Disk 0: Device Name: /dev/sda
Disk 0: Capacity: 644.20 GB
...

The /dev, /run, /tmp, /opt, /boot, /storedconfig and /root are directories of the ADE-OS that you don't have access (only via root access).

 

Hope this helps !!!

hslai
Cisco Employee
Cisco Employee

> I am presuming that the / or the root would be the aggregate of all the disks if not then which one is it?

The / (or the root) is not the aggregate of all the disks. Rather, it is showing the file system mounted on that directory.

The output of the "show tech" command have a section like this below and gives us a better picture:

*****************************************
Checking Disk Space...
*****************************************
df -h output...
Filesystem      Size  Used Avail Use% Mounted on
...
/dev/sda3        25G  2.7G   21G  12% /
/dev/sda7       259G   38G  209G  16% /opt
/dev/sda4        93M  1.6M   85M   2% /storedconfig
/dev/sda6       1.9G  6.2M  1.8G   1% /tmp
/dev/sda2       969M  141M  763M  16% /boot
/dev/sda1       270M  6.8M  264M   3% /boot/efi
...

I would suggest to monitor /, /opt, and /tmp

 

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