[Lustre-discuss] how do you mount mountconf (i.e. 1.6) lustre on your servers?

Brian J. Murrell Brian.Murrell at Sun.COM
Thu Feb 14 10:38:45 PST 2008


As any of you using version 1.6 of Lustre knows, Lustre servers can now
be started simply my mounting the devices it is using.  Even
an /etc/fstab entry can be used if you can have the mount delayed until
the network is started.

Given this change, you have also notices that we have eliminated the
initscript for Lustre that used to exist for releases prior to 1.6.

I'd like to take a small survey on how those of you using mountconf
(1.6) are managing the mounting of your Lustre devices on the servers.
The obvious choices are:

      * /etc/fstab
      * home-grown initscript
      * heartbeat managed
      * other

If you are using /etc/fstab I'd be interested in seeing your /etc/fstab
entries (you can omit obvious near-duplication in the case of many OSTs
though) and knowing what distribution (make, version) you are using.

/etc/fstab entries provides an interesting wrinkle in that you cannot
mount the devices until the network is up and yet most distributions
do /etc/fstab (i.e. "local") mounting before the network unless some
mechanism is used to filter out entries that need network connectivity
first.  The traditional way of doing this has been to add _netdev to
those entries and they are then delayed until the network is up.

Cheers,
b.

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