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I have had some problems with ISPConfig this morning which are fixed by now, however I noticed this mounts:

/dev/sda2 on /var/www/clients/client1/web1/log type ext4 (rw,relatime,errors=remount-ro,data=ordered,jqfmt=vfsv0,usrjquota=quota.user,grpjquota=quota.group,_netdev)

There are many of them, for every client and web there is.

This looked weird. How could ISPConfig mount /dev/sda2 on so many different folders and yet, they don't share their content. Also, sda2 was mounted on /.

I got some information though googeling and found /proc/self/mountinfo gives some more helpful informations:

83 24 8:2 /var/log/ispconfig/httpd/example.net /var/www/clients/client1/web1/log rw,relatime shared:1 - ext4 /dev/sda2 rw,errors=remount-ro,data=ordered,jqfmt=vfsv0,usrjquota=quota.user,grpjquota=quota.group

Now we're getting somewhere. Seems like, ISPConfig mounts a subfolder of sda2 (namely /var/log/ispconfig/httpd/example.net) to /var/www/clients/client1/web1/log.

I don't know why ISPConfig does this, if someone knows, feel free to comment on the question, but my question is:

Is there a better way to get as much information about a mountpoint as possible?

/proc/self/mountinfo is good, it prints lot of information, but it's hard to read, I'd need to remember what each column means to understand it. It's nice for programs to parse but not so nice for humans to read.

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2 Answers 2

Reset to default
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The command

df -h

of just

df

gives you some informations

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  • How is this better than the output OP already has? And df is about filesystem, not mount points.
    – Anwar
    Nov 6, 2016 at 15:50
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mount with no parameters, will list mount information.

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  • The first listing in the question looks exactly like the output of mount.
    – David Foerster
    Nov 6, 2016 at 15:42

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