[Gluster-users] Nagios monitoring of replicated volumes..

[Stas Oskin]

Put small files to BDB?

2009/4/3 William Hanwoody <hanwoody at gmail.com>

> ls -lR is too slowly if we have billions of small files!
>
> 在 2009年4月3日 星期五，Stas Oskin 写道：
> > Hi.
> >
> > 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?
> >
> > Regards.
> >
> > 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.
> > > (write_timestamps.sh)
> > > http://glusterfs.pastebin.com/m5a220a6
> > >
> > > Perl code to compare the timestamps which is executed on the client.
> > > (check_glusterfs_mounts.pl)
> > > http://glusterfs.pastebin.com/m2f057a77
> > >
> > > Any ideas/questions/comments?
> > >
> > >
> > >
> > > _______________________________________________
> > > Gluster-users mailing list
> > > Gluster-users at gluster.org
> > > http://zresearch.com/cgi-bin/mailman/listinfo/gluster-users
>
>
>
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