Re: system monitoring (was Re: ZFS error logging)

2016-09-23 Thread Russell Coker via luv-main
On Friday, 23 September 2016 7:14:15 PM AEST Craig Sanders via luv-main wrote: > and for logging and graphing all sorts of info about systems (disk space, > memory utilisation, cpu load, network traffic etc) and the services they're > running (e.g. postgres/mysql query load, VMs/containers

system monitoring (was Re: ZFS error logging)

2016-09-23 Thread Craig Sanders via luv-main
On Fri, Sep 23, 2016 at 04:06:42PM +1000, russ...@coker.com.au wrote: > The Nagios model is to have a single very complex monitoring system while > the mon model tends towards multiple simple installations. Nagios has a > nrpe daemon on each monitored server while with Mon you have Mon on each >

Re: ZFS error logging

2016-09-23 Thread Russell Coker via luv-main
On Friday, 23 September 2016 11:24:41 AM AEST Peter Ross via luv-main wrote: > For the messages: FreeBSD has a sysctl vfs.zfs.debug. This sysctl approach > was ported to Linux, my Google 'research' (e.g. > http://askubuntu.com/questions/228386/how-do-you-apply-performance-tuning-se >

Re: ZFS error logging

2016-09-22 Thread Peter Ross via luv-main
Hi Russell, I would assume that the resilvering is related to the checksum errors. From the zpool(8) manpage: Scrubbing and resilvering are very similar operations. The difference is that resilvering only examines data that ZFS knows to be out of date (for example, when attaching a new device to