check mountpoint status and send email on timeout/failure?
biocyberman
biocyberman at gmail.com
Mon Dec 11 10:50:17 UTC 2017
For someone using NFS or some other remote filesystems, one may
have experienced many times the nasty silent hang. For example,
if I run `ls /mnt/remote/nfsmount`, and the remote NFS server is
down while /mnt/remote/nfsmount was mounted, it will take very
long time or forever for the `ls` command to return an error.
Imagine if it were not `ls` but a data producing program, or
user's home directly, it will be very inconvenient. Since I want
to learn D, I want to write a program that does:
1. Check a path and to see it is a mount point. If it is not a
mount point, try to mount it, and send an email. If it is a mount
point, go to step 2.
2. If it is amount point, but fails to response after a certain
time period (e.g 5 seconds), then send an email.
I know nothing about how to write it in D, or which library to
use. So, some help please.
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