brucehohl

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I have a nice bootable software raid1 set-up and would like to run mdadm for the monitor and mail feature. As a test I did the following from an xterm:

# mdadm --monitor --scan --daemonise --mail=root@localhost --delay=600 /dev/md0 /dev/md1.

I did not use a adadm.conf.

My questions:
1 - I expected to see a daemon running but saw none - so what did I do wrong?
2 - Is there an *easy* way to confirm that mdadm is working?
3 - What is the best way to get this started at boot?

Thanks for any comments.

brucehohl

OK. I got the daemon to start by using the following command: # mdadm -- monitor --scan --mail=user@domain.com --delay=1800 --daemonise /dev/md0 /dev/md1.

Either I did not type the command in properly or the order of the arguments matters. The daemon "mdadm" started. I did not test this setup to make sure an e-mail was sent upon disk failure. For disk failure e-mail notification I decided to use a small script to query /proc/mdstat (every 1/2 hour by cron) and send an e-mail if disk failure is noted. With this method there is no need to create and add a startup script which would be the best way to start mdadm.