spontaneous unmount

[Albert Graham]

Are these drives mounted form your /etc/fstab file or do you mount them 
manually, if manually, are you in KDE or Gnome at the time ?


T. Horsnell wrote:
>> Would you be using an auto mounter ?
>>     
>
> Yes, but only to automount NFS disks exported by another box.
> The disks that spontanously unmount are attached SCSI.
>
>   
>> T. Horsnell wrote:
>>     
>>> I'm gradually migrating my Alpha server over to an Opteron box running RHEL4.
>>> This involves various disk juggling including hot-plugging SCSI disks on the
>>> RH box. All the disks are in external shelves. Every now and then, some of
>>> the filesystems on this box spontaneously unmount. Until now, the unmounts
>>> seem to have been associated with adding/removing disks on the RH system
>>> and I've been logging the mount situation every 5 mins to try and get a clue
>>> why. However, during the the most recent unmount (5 filesystems unmounted)
>>> I wasnt juggling any disks, but I see this in the messages log within the
>>> 5 minute window during which the 5 filesystems disappeared.
>>> Is this significant?:
>>>
>>> Jul  6 18:44:15 ls1 kernel: mtrr: type mismatch for fd000000,800000 old: write-back new: write-combining
>>>
>>> At the time, I was killing and restarting rhnsd because of an rpm lockup
>>> due to a stalled up2date. This wasnt updating anything, just installing
>>> xemacs, and I had to kill all processes which had /var/lib/rpm/__db* open
>>> as reported by lsof.
>>>
>>> The 5 disks (one filesystem per disk) happen to be on 3 different Adaptec SCSI
>>> adapters, and in 3 different Storcase disk shelves, so I dont suspect an
>>> adapter fault or a disk-shelf fault.
>>>
>>> So far, Gooling and Bugzilla searching has shown up nothing, so
>>> any clues/suggestions would be greatly appreciated.
>>>
>>>
>>> Cheers,
>>> Terry.
>>>
>>>   
>>>       
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>
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