Module: check_mk Branch: master Commit: 8b1f650c5bb673ab1e6502922c3a3bc5ac67d216 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=8b1f650c5bb673… Author: Florian Heigl <fh(a)mathias-kettner.de> Date: Mon Aug 20 17:24:17 2012 +0200 checks/megaraid_bbu: The check for BBU status now silences while a battery learn cycle is running --- ChangeLog | 1 + checkman/megaraid_bbu | 21 ++++++++++++++++----- checks/megaraid_bbu | 22 ++++++++++++++-------- 3 files changed, 31 insertions(+), 13 deletions(-) diff --git a/ChangeLog b/ChangeLog index e34dad1..e704d88 100644 --- a/ChangeLog +++ b/ChangeLog @@ -9,6 +9,7 @@ * New Checks for Siemens Blades (BX600) * New Checks for Fortigate Firewalls * FIX: megaraid_pdisks: handle case where no enclosure device exists + * FIX: megaraid_bbu: handle the controller's learn cycle. No errors in that period. * mysql_capacity: cleaned up check, levels are in MB now * jolokia_info, jolokia_metrics: new rewritten checks for jolokia (formerly jmx4perl). You need the new plugin mk_jokokia for using them diff --git a/checkman/megaraid_bbu b/checkman/megaraid_bbu index e4ea82f..0e7f83e 100644 --- a/checkman/megaraid_bbu +++ b/checkman/megaraid_bbu @@ -4,14 +4,25 @@ author: Florian Heigl <fh(a)mathias-kettner.de> license: GPL distribution: check_mk description: - This check monitors the existance and status of battery backup units on controllers that are based on the mid- and highend LSI Megaraid chipsets. The entry chipsets do not support BBUs. The Linux agent will try find any existing BBUs - if {MegaCli} is found in your search path. - The BBUs might come in various types {(iBBU, BBU)} and also some other vendors are using this RAID chip. It is tested against Intel, Dell, IBM and FSC models. + This check monitors the existance and status of battery backup units on controllers + that are based on the mid- and highend LSI Megaraid chipsets. The entry chipsets do + not support BBUs. The Linux agent will try find any existing BBUs - if {MegaCli} is + found in your search path. + The BBUs might come in various types {(iBBU, BBU)} and also some other vendors are + using this RAID chip. It is tested against Intel, Dell, IBM and FSC models. - The check works by matching the agent output against a dictionary of expected values. If you have MegaCli installed and some values are not detected, it might be neccessary to update your version of MegaCli. + The check works by matching the agent output against a dictionary of expected values. + If you have MegaCli installed and some values are not detected, it might be neccessary + to update your version of MegaCli. - {MegaCli} can be downloaded from LSI at the following URL {http://www.lsi.com/downloads/Public/MegaRAID%20Common%20Files/8.02.16_MegaCLI.zip} + {MegaCli} can be downloaded from LSI at the following URL + {http://www.lsi.com/downloads/Public/MegaRAID%20Common%20Files/8.02.16_MegaCLI.zip} - It would be possible to make the warning / critical levels user specifiable. See the check source for this if you have a need to influence those parameters. + It would be possible to make the warning / critical levels user specifiable. + See the check source for this if you have a need to influence those parameters. + Most controllers run a "battery learn cycle" periodically or on user request. + The check detects this learn cycle and suppresses all errors while this cycle is active. + This affects all models that do not have a flash / capacitor based BBU system. item: A string "RAID Adapter/BBU" followed by the ID of the adapter as reported by MegaCli. diff --git a/checks/megaraid_bbu b/checks/megaraid_bbu index 1e0066b..be2f9b2 100644 --- a/checks/megaraid_bbu +++ b/checks/megaraid_bbu @@ -31,18 +31,19 @@ # Load a fake controller with known good values for the most # important parameters only and try to define their importance megaraid_bbu_refvalues = { - 'Remaining Capacity Low' : ('No', 1), - 'I2c Errors Detected' : ('No', 1), + 'Remaining Capacity Low' : ('No', 1), # nolearn + 'I2c Errors Detected' : ('No', 1), 'Temperature' : ('OK', 2), 'Pack is about to fail & should be replaced': ('No', 1), - 'Charging Status' : ('None', 1), - 'Battery State' : ('Operational', 2), + 'Charging Status' : ('None', 1), # nolearn + 'Battery State' : ('Operational', 2), # nolearn 'Learn Cycle Status' : ('OK', 1), + 'Learn Cycle Active' : ('Yes', 0), 'Battery Pack Missing' : ('No', 2), 'Battery Replacement required' : ('No', 1), 'Over Temperature' : ('No', 2), 'Over Charged' : ('No', 1), - 'Voltage' : ('OK', 2), + 'Voltage' : ('OK', 2), # nolearn } @@ -80,19 +81,23 @@ def check_megaraid_bbu(item, _no_params, info): # get current charge level charge = (", Charge is %s" % controller['Relative State of Charge']) + # verify defined important parameters to current level for varname, (refvalue, refstate) in megaraid_bbu_refvalues.items(): + # the try/except should handle controller types that don't have certain values + # if your bbu chipset fails and you still get a partial response this will lead + # to a false result. but people asked for it :> try: - value = controller[varname] - # build a list of all errors if controller[varname] != refvalue: broken.append("%s is %s, but should be %s(%s)" % (varname, value, refvalue, "!" * refstate)) state = max(state, refstate) except: pass + if controller["Learn Cycle Active"] == "Yes": + return (0, "OK - no states to check (controller is in learn cycle)" + charge) # return assembled info - if broken: + elif broken: return (state, nagios_state_names[state] + " - " + ", ".join(broken) + charge) else: return (0, "OK - all states as expected" + charge) @@ -100,4 +105,5 @@ def check_megaraid_bbu(item, _no_params, info): return (3, "UNKNOWN - Check not implemented") + check_info["megaraid_bbu"] = (check_megaraid_bbu, "RAID Adapter/BBU %s", 0, inventory_megaraid_bbu)