Sounds like this should be added to the docs!
-Sam
On Mon, Jan 9, 2017 at 1:05 PM, David Zafman <dzafman@xxxxxxxxxx> wrote:
> ceph version 11.1.0-6147-g12706d7 (12706d76225fa1491d00362d3bc04e0541dead73)
>
> A failure to repair occurred because without a digest in the object info the
> code doesn't attempt to decide which omap is wrong. Here we only have an
> omap_digest_mismatch error. Had the "selected_object_info" included "od"
> presuambly of 1fff04c0 then "omap_digest_mismatch_oi" would have been set on
> osd.47 and it would be repaired.
>
> The way to fix this particular case is to stop osd.47, remove the object
> with ceph-objectstore-tool, then restart osd.47 and the repair should then
> re-create a correct object and omap there. As you can see the object name
> is 100011cf577.00000000 in pool 1 (metadata).
>
> $ sudo rados list-inconsistent-pg metadata
> ["1.25"]
>
> $ sudo rados list-inconsistent-obj 1.25 --format=json-pretty
> {
> "epoch": 767566,
> "inconsistents": [
> {
> "object": {
> "name": "100011cf577.00000000",
> "nspace": "",
> "locator": "",
> "snap": "head",
> "version": 9023143
> },
> "errors": [
> "omap_digest_mismatch"
> ],
> "union_shard_errors": [],
> "selected_object_info":
> "1:a7f0f16e:::100011cf577.00000000:head(768083'9023143 mds.0.94887:9732381
> dirty|omap|data_digest s 0 uv 9023143 dd ffffffff alloc_hint [0 0 0])",
> "shards": [
> {
> "osd": 7,
> "errors": [],
> "size": 0,
> "omap_digest": "0x1fff04c0",
> "data_digest": "0xffffffff"
> },
> {
> "osd": 47,
> "errors": [],
> "size": 0,
> "omap_digest": "0xc2c5ddcd",
> "data_digest": "0xffffffff"
> },
> {
> "osd": 60,
> "errors": [],
> "size": 0,
> "omap_digest": "0x1fff04c0",
> "data_digest": "0xffffffff"
> },
> {
> "osd": 72,
> "errors": [],
> "size": 0,
> "omap_digest": "0x1fff04c0",
> "data_digest": "0xffffffff"
> }
> ]
> }
> ]
> }
>
>
> David
>
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