Can't `mount -o loop` an ISO from an NFS share (RHEL)

Posted by warren on Super User See other posts from Super User or by warren
Published on 2010-06-16T17:09:42Z Indexed on 2010/06/16 17:13 UTC
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linux

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mount

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iso-image

I have a large NFS share with a variety of software ISOs on it.

I've only tried this on Red Hat Enterprise Linux, but when trying to do the following, the mount comes back with an error indicating no permissions to mount. Why would this be happening?

NFS is mounted thusly:

mediaserver:path/to/isos /media/nfs

This is the mount call that fails

mount -o loop /media/nfs/product.iso /tmp/product

If I copy the ISO, there is no issue. The NFS share is mounted rw.

How can I loop mount the ISO from the NFS share without copying it first?

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