[lustre-discuss] "ls" hangs for certain files AND lfsck_namespace gets stuck in scanning-phase1, same position

2019-06-14 Thread Sternberg, Michael G.
Hello, On a Lustre-2.12.2 system, running "ls" on a client hangs for certain files. This has the increasingly troublesome global ramification of preventing backups from completing (unless I could manage to establish an exclusion list, by trial-and-error increments). The "ls" process can

Re: [lustre-discuss] "ls" hangs for certain files AND lfsck_namespace gets stuck in scanning-phase1, same position

2019-06-14 Thread Yong, Fan
day, June 15, 2019 8:45 AM To: lustre-discuss@lists.lustre.org Subject: [lustre-discuss] "ls" hangs for certain files AND lfsck_namespace gets stuck in scanning-phase1, same position Hello, On a Lustre-2.12.2 system, running "ls" on a client hangs for certain fil

Re: [lustre-discuss] "ls" hangs for certain files AND lfsck_namespace gets stuck in scanning-phase1, same position

2019-06-15 Thread Sternberg, Michael G.
-Original Message- > From: lustre-discuss [mailto:lustre-discuss-boun...@lists.lustre.org] On > Behalf Of Sternberg, Michael G. > Sent: Saturday, June 15, 2019 8:45 AM > To: lustre-discuss@lists.lustre.org > Subject: [lustre-discuss] "ls" hangs for certain

Re: [lustre-discuss] "ls" hangs for certain files AND lfsck_namespace gets stuck in scanning-phase1, same position

2019-06-16 Thread Yong, Fan
urther debug on such server. > > > -- > Cheers, > Nasf > > -----Original Message- > From: lustre-discuss [mailto:lustre-discuss-boun...@lists.lustre.org] On > Behalf Of Sternberg, Michael G. > Sent: Saturday, June 15, 2019 8:45 AM > To: lustre-discuss@li

Re: [lustre-discuss] "ls" hangs for certain files AND lfsck_namespace gets stuck in scanning-phase1, same position

2019-06-17 Thread Sternberg, Michael G.
Nasf, all, Upon post-recovery analysis, it appears that the "ls" hangs on my system were caused by inconsistencies with MDT striping (DNE) – See some details below. I'm not sure if I should file this in Jira but wanted to document at least here. - Nasf mentioned agent inodes for cross-MDTs obj