[lustre-discuss] Error in lfsck: "NOT IMPLEMETED YET"

Andreas Dilger adilger at whamcloud.com
Mon Jul 22 19:10:36 PDT 2019


If you are trying to delete MDT0000 then that is definitely not implemented yet...

Cheers, Andreas

On Jul 22, 2019, at 16:08, João Carlos Mendes Luís <jonny at corp.globo.com<mailto:jonny at corp.globo.com>> wrote:


Hi,

    I'm running some lab tests with lustre 2.12.2 in Oracle Linux Server release 7.6.  Last test I did was about migration and MDT splitting.  I started with a MGS+MDS node, and two OSS nodes, and one of the tests was to create two more MDSs and migrate data between then, until, after some time, I could delete the original MDS.  But something happened in the middle and the servers panicked/rebooted.

    I am now in what appears to be an lfsck bug.  After many other tests, I run lfsck_start, and after some time get this message on the nodes:

MGS/MDS0:

[Mon Jul 22 17:42:25 2019] LustreError: 24107:0:(osd_index.c:1872:osd_index_it_get()) NOT IMPLEMETED YET (move to 0x2481000002000000)

OSS1/MDS1

[Mon Jul 22 17:40:29 2019] LustreError: 31558:0:(osd_index.c:1872:osd_index_it_get()) NOT IMPLEMETED YET (move to 0xa41300c002000000)

OST2/MDS2

[Mon Jul 22 17:40:32 2019] LustreError: 8935:0:(osd_index.c:1872:osd_index_it_get()) NOT IMPLEMETED YET (move to 0xa013000003000000)


    And for current lfsck status, I run lctl get_param *.*.lfsck* | grep -E 'status|\.lfsck_lay|\.lfsck_name'

MGS/MDS0:

mdd.mirror01-MDT0000.lfsck_layout=
status: completed
mdd.mirror01-MDT0000.lfsck_namespace=
status: partial

OSS1/MDS1

mdd.mirror01-MDT0001.lfsck_layout=
status: completed
mdd.mirror01-MDT0001.lfsck_namespace=
status: partial
obdfilter.mirror01-OST0065.lfsck_layout=
status: completed


OST2/MDS2

mdd.mirror01-MDT0002.lfsck_layout=
status: completed
mdd.mirror01-MDT0002.lfsck_namespace=
status: partial
obdfilter.mirror01-OST0066.lfsck_layout=
status: completed

    Is this a known bug?  How do I fix these "partial" lsfck runs?

    Thanks for any help,

        Jonny


________________________________
[globo.com]
João Carlos Mendes Luís
Senior DevOps Engineer
jonny at corp.globo.com<mailto:jonny at corp.globo.com>
+55-21-2483-6893
+55-21-99218-1222


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