[Solid_software] solid work disk 100% full and fix is requested

Ole Hansen ole at jlab.org
Mon Jan 23 17:56:47 EST 2023


Sure. It can be useful. If people know about it. Spreading the knowledge 
requires active messaging.

BTW, one does not have to "request" to recover files. They can be copied 
right out of the snapshot by anyone. The only tricky part is that the 
snapshot directory is hidden (even ls -a does not show it):

ls /work/halla/solid/.zfs/snapshot

Ole

On 1/23/23 17:51, Zhiwen Zhao wrote:
> Ole
>
> I don't know if any one has requested to recover lost files, but it 
> seems not bad to have such an option.
>
> Let's see if CC has some ideas to help and decide then
> https://jlab.servicenowservices.com/nav_to.do?uri=%2Fincident.do%3Fsys_id%3D4fead9461b646910a552ed3ce54bcb32 
>
>
> Zhiwen
>
> On 1/23/2023 5:48 PM, Ole Hansen via Solid_software wrote:
>> Well, the easiest solution is to turn snapshots off completely. Is 
>> anyone actually using them?
>>
>> Ole
>>
>> On 1/23/23 17:46, Zhiwen Zhao via Solid_software wrote:
>>> All
>>>
>>> the work disk is 7.4TB in and 2.4TB free for now after deleting some 
>>> zfs snapshot
>>> We are still looking into a long term solution to prevent this from 
>>> happening again.
>>>
>>> In general, a good practice is to use volatile and cache for large 
>>> data files and use work with small files and less frequent changes.
>>>
>>> Zhiwen
>>>
>>> On 1/23/2023 3:44 PM, Zhiwen Zhao via Solid_software wrote:
>>>> All
>>>>
>>>> /work/halla/solid is 100% full and all save will fail now.
>>>> It's due to max allowed size change from ~7TB to 5TB today and the 
>>>> backup snapshot taking more space.
>>>> I have requested help from computer center to fix it.
>>>>
>>>> In the meantime, you may use /volatile/halla/solid instead and 
>>>> delete/move some of your files on work disk may help a bit too.
>>>>
>>>> Zhiwen
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