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Thin Client and Virtual Machines Thread, multiple machines mounting same filesystem on vmware in Technical; I'm building a new webserver (RHEL5.4 on ESXi) the /var/www partition is going to be a separate partition on an ...
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    multiple machines mounting same filesystem on vmware

    I'm building a new webserver (RHEL5.4 on ESXi)
    the /var/www partition is going to be a separate partition on an FC SAN.

    in the future I would like a separate smb fileserver to also be able to read/write to the same filesystem at the same time as the webserver

    I know that I can do this with GFS, but I don't have very much experience of it so I am wondering if I can create a vmware filesystem and have another vmware server mount the same filesystem. Does vmware manage multiple read/writes at the lower level or does the native (RHEL) fs need to deal with that.

    please forgive me if this doesn't make sense.

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    Ric_'s Avatar
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    You can't do that... you will get data corruption.

    What you need to do is export an NFS or SMB share from your webserver and write to that instead.

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    CyberNerd (26th October 2009)

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    Thanks. That was (sort of) the answer I was looking for.

    I'll setup a GFS2 partition and do it that way. I know that redhat can use clustered filesystems, just wasn't sure about vmware.

    The ultimate goal is to somehow merge the shared staff area (mapped drive) into the moodle file repository - when v2 arrives. somehow.

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    Ric_'s Avatar
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    Quote Originally Posted by CyberNerd View Post
    The ultimate goal is to somehow merge the shared staff area (mapped drive) into the moodle file repository - when v2 arrives. somehow.
    A simple, but effective, way of managing all that rubbish I suppose.

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    Quote Originally Posted by CyberNerd View Post
    I'll setup a GFS2 partition and do it that way. I know that redhat can use clustered filesystems, just wasn't sure about vmware..
    I'm with Ric_ that I would use NFS.
    GFS2 seems over kill, but must admit I've never used GFS.

    Just read, redhat.com | Red Hat GFS vs. NFS: Improving performance and scalability which says good things about GFS. I know NFS, it is so simple to setup and will work. .

    Is GFS simple to set up and manage?

    Andy
    Last edited by apaton; 27th October 2009 at 06:36 PM. Reason: Grammar

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    CyberNerd (27th October 2009)

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    I was reading up on GFS this morning, GFS itself looks simple enough - just partition the filesystem as an LVM volume and then mkfs.gfs2. same as any other filesystem (although quotas are a bit different). However, it looks to me that to get the full functionality and do what I want, I would need to setup a cluster and use RH Advanced server (more money) or revert to centos.
    As this is a distant project, I'll hedge my bets and setup a GFS partition - then I can either export it as an NFS or do the cluster thing at a later date.

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