[lustre-discuss] Questions about LU-13645

Благодаренко Артём artem.blagodarenko at gmail.com
Fri Jul 3 11:03:53 PDT 2020


Hello Chad,

Fresh update in LU-13645 from Alexey Lyashkov that can answer your question.

> It looks bugs affected an any Lustre versions includes an DoM and Lock Ahead features. Initial testing say - most bugs can be fixed with two low risks patches. Some problems with group locks/unprotected layout change invested separately. 
> Patch submit blocked due master branch build breakage with Redhat debug kernel caused a James S. backports for xarray.


Best regards,
Artem Blagodarenko

> On 2 Jul 2020, at 20:17, Chad DeWitt <ccdewitt at uncc.edu> wrote:
> 
> Good afternoon, All
> 
> I hope everyone is doing well.
> 
> I had a few questions concerning LU-13645 - Various data corruptions possible in lustre [https://jira.whamcloud.com/browse/LU-13645].
> 
> We are looking at deploying Lustre 2.12.5 and while browsing JIRA, this particular issue caught my attention. I read the issue, however, I can't determine if it is severe enough to prevent upgrading.  
> 
> Is anyone familiar with this issue and its severity/prevalence? Has anyone else upgraded to 2.12.5?
> 
> Thank you,
> Chad
> 
> ------------------------------------------------------------
> Chad DeWitt, CISSP
> UNC Charlotte | OneIT – University Research Computing
> ------------------------------------------------------------
> 
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