Monitoring disk space remote VPS hosts

[Kevin Davison]

I've recently deployed some of our remote systems on a new VPS host. I'm looking to monitor all of the usual suspects to keep an eye on these. I monitor disk space on remote servers at a number of different hosting companies but this one seems to be different.

The root file system is mounted at /dev/simfs so I'm assuming that it's a VZ virtual machine. The oddity, for me, is that the simfs device doesn't technically exist. A df shows that my files system is mounted at /dev/simfs but there is no device or link in the /dev directory to correlate to that. I updated check_disk in my nrpe config thinking that if df can see what's mounted there, then nrpe may be able to as well but no luck. Is anyone else monitoring one of these virtual file systems? How did you do it?

[root at p4pi0010-r ~]# df
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/simfs             5242880    687524   4555356  14% /
[root at p4pi0010-r ~]# ls /dev
{snip}
ptyac    ptydd  ptyqe  ptytf  ptyx0  ram1    ttycd  ttype  ttysf  ttyw0  ttyz1
ptyad    ptyde  ptyqf  ptyu0  ptyx1  random  ttyce  ttypf  ttyt0  ttyw1  ttyz2
ptyae    ptydf  ptyr0  ptyu1  ptyx2  shm     ttycf  ttyq0  ttyt1  ttyw2  ttyz3
ptyaf    ptye0  ptyr1  ptyu2  ptyx3  tty     ttyd0  ttyq1  ttyt2  ttyw3  ttyz4
{snip}

Kevin Davison
Network Administrator
Innosphere SDG Ltd.
147 Wyndham St. N., Ste 306
Guelph, ON, N1H 4E9
(519) 766-9726 X223
Email: kdavison at innosphere.ca
Website: www.innosphere.ca
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