"Stale file handle" error

[Predrag Punosevac]

Now that is a much more useful problem report! That is what I was
afraid of. A lot of machines will have to be rebooted but we have to be
smart about it. I will need to do some invasive surgery on the file server
so this doesn't happen again after the reboot.

Predrag

On Thu, Aug 25, 2022 at 2:09 PM Emma Erickson <eerickso at andrew.cmu.edu>
wrote:

> Hi Predrag,
>
> I tried several different machines (lov3, lov4, lov5, lov8, lov12 and
> gpu4). I encountered the same "stale file handle" issue across all of them.
>
> Thank you,
> Emma
>
> On Thu, Aug 25, 2022 at 1:53 PM Predrag Punosevac <predragp at andrew.cmu.edu>
> wrote:
>
>> To what machine did you ssh? That computing nodes needs to be rebooted.
>> You have no business using shell gateways as your workstation is your
>> personal shell gateway so that part of your report is irrelevant. I also
>> don't mount data and project on shell gateways.
>>
>> Predrag
>>
>> On Thu, Aug 25, 2022, 12:30 PM Emma Erickson <eerickso at andrew.cmu.edu>
>> wrote:
>>
>>> Oh I phrased that poorly, I was using ssh from my desktop to access
>>> zfsauton.
>>>
>>> On Thu, Aug 25, 2022 at 12:25 PM Predrag Punosevac <
>>> predragp at andrew.cmu.edu> wrote:
>>>
>>>> This will require very invasive action. I need to do a bit of planning
>>>> before I pull the trigger on this. Are you sure you see this on your
>>>> desktop. IIRC zfsauton is not mounted on you personal workstation. You can
>>>> always try to reboot it.
>>>>
>>>> Predrag
>>>>
>>>> On Thu, Aug 25, 2022, 12:21 PM Emma Erickson <eerickso at andrew.cmu.edu>
>>>> wrote:
>>>>
>>>>> Hi Predrag,
>>>>>
>>>>> Thank you for getting back so quickly. I first encountered the issue
>>>>> on my lab desktop, but receive the same errors regardless of whether I try
>>>>> upload, bash, or lop2.
>>>>> [image: image.png]
>>>>>
>>>>> Best,
>>>>> Emma
>>>>>
>>>>>
>>>>> On Thu, Aug 25, 2022 at 12:03 PM Predrag Punosevac <
>>>>> predragp at andrew.cmu.edu> wrote:
>>>>>
>>>>>> Which computer are you using? The stale file handles is NFS client
>>>>>> problem which can be only fix by rebooting the host. I might need to reboot
>>>>>> file server hosting project and data folders as well but that will not fix
>>>>>> the client side.. I was unable the other day to clear stale ZFS snapshots
>>>>>> from the same server. In spite of  the fact that the file server was
>>>>>> trashed in June by a fellow grad student I take a full responsibility for
>>>>>> being a fool and allowing lab members to create and excessively use public
>>>>>> directory. Will not happen in the future.
>>>>>>
>>>>>> I did apply multiple bandaids but it appears that more invasive
>>>>>> procedure will be necessary to fix the fallout. Thanks for you report.
>>>>>>
>>>>>>
>>>>>> Predrag
>>>>>>
>>>>>> On Thu, Aug 25, 2022, 11:50 AM Emma Erickson <eerickso at andrew.cmu.edu>
>>>>>> wrote:
>>>>>>
>>>>>>> Hello Predrag,
>>>>>>>
>>>>>>> I am trying to access some data from the '/zfsauton/data' folder.
>>>>>>> Though it shows up when I list directories in zfsauton, I get a "stale file
>>>>>>> handle" error when trying to access its contents. Rachel had the same
>>>>>>> issue. Is there any way to access the files in this folder?
>>>>>>>
>>>>>>> Thank you,
>>>>>>> Emma
>>>>>>>
>>>>>>>
>>>>>>>
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