[Gluster-users] Nagios monitoring of replicated volumes..
stas.oskin at gmail.com
Thu Apr 2 21:05:43 UTC 2009
This is an interesting topic indeed.
I'm planning to have each server ping it's AFR pair, and if one of them goes
down, the moment it comes up, to run ls -lR on the mount.
Perhaps others can share additional ideas?
2009/4/2 Cory Meyer <cory.meyer at gmail.com>
> Has anyone found a decent way out there to monitor GlusterFS volumes?
> I'm currently using Nagios and Cacti to take care of basic CPU, Load,
> Memory, and raw Disk I/O. I need to monitor GlusterFS status and making
> sure all volumes are available..
> My test environment is 6 servers with 6 AFR volumes which are each shared
> between those 2 servers. All volumes are mounted on each server.
> The checks I'm testing out so far include a simple Bash script that writes
> the current Unix timestamp and hostname to a file once a minute. This is
> done by each server on only the volumes that they store.
> echo "$(uname -n):$(date +%s)" > /mnt/gluster01/CHECK_FILE
> The Nagios NRPE daemon would then execute a Perl script on each of the
> clients. This script goes thorugh each of the Gluster mount points
> comparing the timestamps in the CHECK_FILE to the current system time
> alarming if the timestamp is off by more than a minute. Another test which
> hasn't been implimented was checking the contents of the CHECK_FILE with
> the data that is on the raw disk.
> Bash code to write timestamps and executed via cron once a minute.
> Perl code to compare the timestamps which is executed on the client.
> Any ideas/questions/comments?
> Gluster-users mailing list
> Gluster-users at gluster.org
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