[Lustre-discuss] Odd broken behaviour on one lustre client

[Mark Field]

Hi,

I am currently using lustre 1.8, after a OST failure, I deactivated the OST
on the MDS and made the change permanent.  If I now run lctl dl on the
client nodes all of them except one show the OST as inactive (device 7 in
the output below)

  0 UP mgc MGC10.214.4.201 at o2ib 78b8432f-6331-cae7-8d75-dbaba9708056 5
  1 UP lov optstr01-clilov-ffff8103350d0400
cd18b560-e476-f55d-6df1-edcbd68c361b 4
  2 UP mdc optstr01-MDT0000-mdc-ffff8103350d0400
cd18b560-e476-f55d-6df1-edcbd68c361b 5
  3 UP osc optstr01-OST0000-osc-ffff8103350d0400
cd18b560-e476-f55d-6df1-edcbd68c361b 5
  4 UP osc optstr01-OST0001-osc-ffff8103350d0400
cd18b560-e476-f55d-6df1-edcbd68c361b 5
  5 UP osc optstr01-OST0002-osc-ffff8103350d0400
cd18b560-e476-f55d-6df1-edcbd68c361b 5
  6 UP osc optstr01-OST0003-osc-ffff8103350d0400
cd18b560-e476-f55d-6df1-edcbd68c361b 5
  7 IN osc optstr01-OST0004-osc-ffff8103350d0400
cd18b560-e476-f55d-6df1-edcbd68c361b 5
  8 UP osc optstr01-OST0008-osc-ffff8103350d0400
cd18b560-e476-f55d-6df1-edcbd68c361b 5
  9 UP osc optstr01-OST0005-osc-ffff8103350d0400
cd18b560-e476-f55d-6df1-edcbd68c361b 5

The other client is not working correctly, lctl dl looks like this

 0 UP mgc MGC10.214.4.201 at o2ib 94226c2b-6914-6a92-5c6b-2a27ebff676e 5
  1 UP lov optstr01-clilov-ffff81016d482400
e7a4a072-c0db-aac9-c13f-bd4189986407 4
  2 UP mdc optstr01-MDT0000-mdc-ffff81016d482400
e7a4a072-c0db-aac9-c13f-bd4189986407 5
  3 UP osc optstr01-OST0000-osc-ffff81016d482400
e7a4a072-c0db-aac9-c13f-bd4189986407 5
  4 UP osc optstr01-OST0001-osc-ffff81016d482400
e7a4a072-c0db-aac9-c13f-bd4189986407 5
  5 UP osc optstr01-OST0002-osc-ffff81016d482400
e7a4a072-c0db-aac9-c13f-bd4189986407 5
  6 UP osc optstr01-OST0003-osc-ffff81016d482400
e7a4a072-c0db-aac9-c13f-bd4189986407 5
  7 UP osc optstr01-OST0004-osc-ffff81016d482400
e7a4a072-c0db-aac9-c13f-bd4189986407 4
  8 UP osc optstr01-OST0008-osc-ffff81016d482400
e7a4a072-c0db-aac9-c13f-bd4189986407 5
  9 UP osc optstr01-OST0005-osc-ffff81016d482400
e7a4a072-c0db-aac9-c13f-bd4189986407 5

Notice device 7 is 'UP' rather than 'IN' and also the last number on the
line is 4 not 5. I tried umount and re-mounting the client, and rebooting,
but it always comes back the same.  Is there persistent data somewhere on
the client that is corrupt in someway and needs to be deleted?

Thanks

Mark
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