Dne 7.10.2014 v 23:07 Oliver Rath napsal(a):
Hi list,
how can I get some email, if a thin pool runs full? On my syslog i found
the following messages:
Oct 7 21:29:25 dmicn20 kernel: [1115276.145019] device-mapper: thin:
252:13: reached low water mark for metadata device: sending event.
Oct 7 21:29:33 dmicn20 kernel: [1115284.693816] device-mapper: thin:
252:13: reached low water mark for metadata device: sending event.
Oct 7 21:29:35 dmicn20 kernel: [1115286.086837] device-mapper: thin:
252:13: reached low water mark for metadata device: sending event.
Oct 7 21:29:36 dmicn20 kernel: [1115287.369534] device-mapper: thin:
252:13: reached low water mark for metadata device: sending event.
Oct 7 21:29:55 dmicn20 kernel: [1115306.290745] device-mapper: thin:
252:13: reached low water mark for metadata device: sending event.
...
How can i find these messages?
Have you enabled thin threshold in lvm.conf?
thin_pool_autoextend_threshold = 70
thin_pool_autoextend_percent = 20
Currently there is not yet better policy support for filled thin pool devices.
And yes - you need to trap syslog messages if you want monitoring for filled
pool - there is no other support yet (i.e. dbus messaging)
Zdenek
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