diff --git a/check_clientbackup b/check_clientbackup
index 6a323a2a0dc068c9123f1b9b00a632529981091d..924c384c66033b94e098e59ac1ac165913987fce 100755
--- a/check_clientbackup
+++ b/check_clientbackup
@@ -16,16 +16,60 @@
# 2022-08-10 v1.9 <axel.hahn@iml.unibe.ch> FIX: mask the dot in .log
# 2022-10-21 v1.10 <axel.hahn@unibe.ch> remove grep: warning: stray \ before white space
# show last backup, prune, verify
+# 2023-06-22 v1.11 <axel.hahn@unibe.ch> add help and param support; add parameter for install directory
# ======================================================================
. $( dirname $0 )/inc_pluginfunctions
+self_APPNAME=$( basename $0 | tr [:lower:] [:upper:] )
+self_APPVERSION=1.11
+
sInstalldir=/opt/imlbackup/client/
-sChecker=$sInstalldir/check_clientbackup.sh
+# ----------------------------------------------------------------------
+# FUNCTIONS
+# ----------------------------------------------------------------------
+
+function showHelp(){
+ _self=$(basename $0)
+cat <<EOF
+______________________________________________________________________
+
+$self_APPNAME
+v$self_APPVERSION
+
+(c) Institute for Medical Education - University of Bern
+Licence: GNU GPL 3
+______________________________________________________________________
+
+Show status of IML backup.
+
+SYNTAX:
+$_self [-d DIRECTORY]
+
+OPTIONS:
+ -h or --help show this help.
+ -d or --dir set installation dir of iml backup to find its check skript
+ default: /opt/imlbackup/client/
+
+EXAMPLE:
+$_self -d /home/backup/imlbackup
+ set a custom directory und run the backup check
+
+EOF
+}
+
+# --- check param -h
+while [[ "$#" -gt 0 ]]; do case $1 in
+ -h|--help) showHelp; exit 0;;
+ -d|--dir) sInstalldir=$2; shift ;shift;;
+ *) echo "ERROR: Unknown parameter: $1"; showHelp; exit 1;
+esac; done
+
+sChecker=$sInstalldir/check_clientbackup.sh
if [ ! -x $sChecker ]; then
- ph.abort "$sChecker not found - maybe clientbackup is not installed."
+ ph.abort "$sChecker not found - maybe clientbackup is not installed here. Use param -d to set the install directory."
fi
result=$( $sChecker )
diff --git a/docs/20_Checks/_index.md b/docs/20_Checks/_index.md
index aa243fb34e2ba46faf1b647e6b855bdd81ebbef9..67f1e67e894c253207397cb4c10f56be470a73df 100644
--- a/docs/20_Checks/_index.md
+++ b/docs/20_Checks/_index.md
@@ -13,7 +13,7 @@ There is one include script used by all checks:
* [check_ceph_io](check_ceph_io.md)
* [check_ceph_osd](check_ceph_osd.md)
* [check_ceph_status](check_ceph_status.md)
-* check_clientbackup
+* [check_clientbackup](check_clientbackup.md)
* check_couchdb-lb
* [check_cpu](check_cpu.md)
* [check_cronstatus](check_cronstatus.md)
diff --git a/docs/20_Checks/check_ceph_diskfree.md b/docs/20_Checks/check_ceph_diskfree.md
index 3b45879977102c874241bc17efe5707f52ae255e..3686600f11576603cce74698c5172cb7b39232c9 100644
--- a/docs/20_Checks/check_ceph_diskfree.md
+++ b/docs/20_Checks/check_ceph_diskfree.md
@@ -20,7 +20,7 @@ $ check_ceph_diskfree -h
______________________________________________________________________
CHECK_CEPH_DISKFREE
-v1.3
+v1.4
(c) Institute for Medical Education - University of Bern
Licence: GNU GPL 3
@@ -47,18 +47,16 @@ OPTIONS:
`$ check_ceph_diskfree` returns
```txt
-check_ceph_diskfree
OK: Disksize on Ceph cluster and its pools - warnings: 0 (70 %) .. critcal: 0 (90 %)
--- RAW STORAGE ---
CLASS SIZE AVAIL USED RAW USED %RAW USED
-OK ssd 54 TiB 53 TiB 767 GiB 767 GiB 1.40
-OK TOTAL 54 TiB 53 TiB 767 GiB 767 GiB 1.40
+OK ssd 54 TiB 47 TiB 7.0 TiB 7.0 TiB 13.12
+OK TOTAL 54 TiB 47 TiB 7.0 TiB 7.0 TiB 13.12
--- POOLS ---
POOL ID PGS STORED OBJECTS USED %USED MAX AVAIL
-OK .mgr 1 1 18 MiB 6 18 MiB 0 16 TiB
-OK one 2 32 255 GiB 66.65k 255 GiB 0.50 16 TiB
-OK two 3 32 0 B 0 0 B 0 25 TiB
- |global-total=59373627899904;;;0;59373627899904 global-avail=58274116272128;;;0;59373627899904 global-used=823559979008;;;0;59373627899904
+OK .mgr 1 1 104 MiB 27 311 MiB 0 14 TiB
+OK one 2 128 2.3 TiB 617.97k 7.0 TiB 14.48 14 TiB
+ |global-total=59373627899904;;;0;59373627899904 global-avail=51677046505472;;;0;59373627899904 global-used=7696581394432;;;0;59373627899904
```
diff --git a/docs/20_Checks/check_ceph_status.md b/docs/20_Checks/check_ceph_status.md
index 47885682e87616f4b2c00df59473014f64e2bbb5..65ad237cf39ce8ff9e714deae7c5fb27bd8d2d95 100644
--- a/docs/20_Checks/check_ceph_status.md
+++ b/docs/20_Checks/check_ceph_status.md
@@ -2,7 +2,7 @@
## Introduction
-**check_ceph_sttaus** is a plugin to show ceph status.
+**check_ceph_status** is a plugin to show ceph status.
It switches the state in dependency of the HEALTH_* value.
## Requirements
@@ -14,7 +14,7 @@ It switches the state in dependency of the HEALTH_* value.
```txt
______________________________________________________________________
-DEV_CHECK_CEPH_STATUS
+CHECK_CEPH_STATUS
v1.5
(c) Institute for Medical Education - University of Bern
diff --git a/docs/20_Checks/check_client_backup.md b/docs/20_Checks/check_client_backup.md
new file mode 100644
index 0000000000000000000000000000000000000000..df31899269becbdcbbbbeecb2450464da6b9c019
--- /dev/null
+++ b/docs/20_Checks/check_client_backup.md
@@ -0,0 +1,67 @@
+# Check Client backup
+
+## Introduction
+
+**check_client_backup** is a plugin to show the backup status of IML Backup.
+
+📄 Source: https://git-repo.iml.unibe.ch/iml-open-source/iml-backup/
+📜 License: GNU GPL 3.0
+📖 Docs: see docs folder or online https://os-docs.iml.unibe.ch/iml-backup/
+
+## Requirements
+
+* `IML Backup` must be installed.
+
+## Syntax
+
+```txt
+./check_clientbackup -h
+______________________________________________________________________
+
+CHECK_CLIENTBACKUP
+v1.11
+
+(c) Institute for Medical Education - University of Bern
+Licence: GNU GPL 3
+______________________________________________________________________
+
+Show status of IML backup.
+See https://os-docs.iml.unibe.ch/iml-backup/
+
+It returns with state UNKNOWN if no backup has been performed yet.
+It switches to ERROR an error occured during backup process.
+
+SYNTAX:
+check_clientbackup [-d DIRECTORY]
+
+OPTIONS:
+ -h or --help show this help.
+ -d or --dir set installation dir of iml backup to find its check skript
+ default: /opt/imlbackup/client/
+
+EXAMPLE:
+check_clientbackup -d /home/backup/imlbackup
+ set a custom directory und run the backup check
+
+```
+
+## Examples
+
+`$ ./check_clientbackup -d ~/skripte/iml-backup/client/` returns
+
+```txt
+OK Client Backup - WITH transfer - last backup log: auto-20230622-091201.log (1 h ago) OK: backup is younger than 24 hours - OK: 10 ... Errors: 0
+
+--- transfer:
+__REPO__ OK, Backup repository already exists.
+__BACKUP__ OK - DIR /var/localdumps/backup
+__BACKUP__ OK - DIR /boot
+__BACKUP__ OK - DIR /etc
+__BACKUP__ OK - DIR /home
+
+__LAST__backup 1 h ago
+__LAST__prune 3 days ago
+__LAST__verify 1 days ago
+```
+
+If you have a database service (Mysql/ MariaD, Postgres, ...) you will get a list of dumped databases.