[ale] invisible mounting points on RHEL 5.1

[Tim Meanor]

Sounds like automounter behavior to me, too.  Does m1 show up in the
output of "ls -la /mnt/*"?  If so, then most likely it's an
automounted fs (via autofs or maybe amd).

-Tim

On Mon, Oct 13, 2008 at 5:35 PM, Jerry Yu <jjj863 at gmail.com> wrote:
> They are regular NFS exports. The /mnt/m1 is my attempt to simplify my
> question. They are under /opt/mnt/appName1/m1 for client #1.
>
> On 10/13/08, Jeff Lightner <jlightner at water.com> wrote:
>> I'm confused by this.  You must have added the "/mnt/m1" as it is NOT a
>> stock part of RHEL5.
>>
>>
>>
>> Are you sure this isn't something you've configured in /etc/fstab or in
>> automounter?  I've seen some very strange behavior when attempting to
>> manually do things with filesystems put under automounter control.
>>
>>
>>
>> ________________________________
>>
>> From: ale-bounces at ale.org [mailto:ale-bounces at ale.org] On Behalf Of
>> Jerry Yu
>> Sent: Monday, October 13, 2008 4:21 PM
>> To: ALE
>> Subject: [ale] invisible mounting points on RHEL 5.1
>>
>>
>>
>> On a stock RHEL 5.1 server, an ext3 fs image (i1) is mounted as loopback
>> at /mnt/m1. /mnt/m1 is exported as NFS share to be used by a RHEL 5.1
>> client.
>>
>> Not sure since when, on the NFS server,
>>
>> *     one can not see m1 when ls /mnt anymore.   Meanwhile,
>> *     'cd /mnt/m1' and 'ls /mnt/m1' and  file creation under /mnt/m1
>> all work just fine under /mnt/m1.
>> *     mkdir /mnt/m1 fails saying '/mnt/m1 is present'
>> *     /proc/mounts still have /mnt/m1 listed as mounted loopback.
>> *     umounting /mnt/m1 & mounting it back works just fine.  still
>> cannot see 'm1' under /mnt.
>> *     /mnt/m1 is under constant use by the NFS clients, so 'rm -rf' or
>> 'umount' of /mnt/m1 from the server actually fails.
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