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Michael Pliskin
Asked: 2014-11-20 14:03:50 +0800 CST

Centos 7 on Windows Azure, who mounts /dev/sdb? (systemd)

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I need to find out which systemd service mounts /dev/sdb (aka /mnt/resource) on Windows Azure? I am using Centos 7 image and it is systemd-based and I am trying to launch a service that depends on /mnt/resource mounted already.

Tried googling but not much luck yet.

linux

1 Answers

  1. I managed to find an answer after a while. It is not that simple though:

    • The service that mounts /mnt/resource is called waagent.service
    • However, systemd only allows you to wait till it starts, not till it finishes startup
    • Therefore, it my script I used the following detection code:

    LINES=`df | grep /mnt/resource | wc -l`
while [ $LINES -lt 1 ]
do
        sleep 1
        LINES=`df | grep /mnt/resource | wc -l`
done
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