[Lustre-discuss] Can't Create New Files

Adam adam at sharcnet.ca
Thu Sep 10 08:00:24 PDT 2009


-5, sorry I took a far better look then simply checking the health
status. (Part of) the problem is that the MDS doesn't see the OSTs,
eg:

[root at MDS ~]# lctl dl
  0 UP mgc MGC10.29.48.1 at o2ib eeb1eccc-727e-f3f8-824a-9862a42e3b08 5
  1 UP mdt MDS MDS_uuid 3
  2 UP lov lfs-mdtlov lfs-mdtlov_UUID 4
  3 UP mds lfs-MDT0000 lfs-MDT0000_UUID 671
[root at MDS ~]# 

the OSS's seem okay:

[root at OSS5 ~]# lctl dl
  0 UP mgc MGC10.29.48.1 at o2ib af5bdde6-7fe2-a944-05cd-28459ef91385 5
  1 UP ost OSS OSS_uuid 3
  2 UP obdfilter lfs-OST0002 lfs-OST0002_UUID 671
  3 UP obdfilter lfs-OST000a lfs-OST000a_UUID 671
  4 UP obdfilter lfs-OST0012 lfs-OST0012_UUID 671
  5 UP obdfilter lfs-OST001a lfs-OST001a_UUID 671
[root at OSS5 ~]# 

writeconf?

Thanks,
Adam




On Thu, 2009-09-10 at 10:45 -0400, Oleg Drokin wrote:
> Hello!
> 
> On Sep 10, 2009, at 10:33 AM, Adam wrote:
> > I'm running into a rather strange problem where new files cannot be
> > created (lustre 1.6.6), but existing files can be modified and even
> > deleted.
> > The MDS reports:
> > LustreError: X:0:(mds_open.c:431:mds_create_objects()) error creating
> > objects for inode Y:
> > For a large subset of inodes.
> 
> What is the rc value reported in that message?
> Are there any messages on OSTs at the same time?
> 
> Bye,
>      Oleg




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