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[Bug 1689692] [NEW] marker not found

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Public bug reported:

In my Ocata/RDO enviroment, nova version is 15.0.3, if I list instances
with a marker&limit, sometimes it says "maker not found".

More details of my operation steps:

First, all instances are listed here without limit&marker:

[root@host015 astute(keystone_admin)]# nova list --sort created_at:desc
+--------------------------------------+------+--------+------------+-------------+----------+
| ID                                   | Name | Status | Task State | Power State | Networks |
+--------------------------------------+------+--------+------------+-------------+----------+
| 0e02233c-6c73-4bbe-bede-299ba41f44c3 | 11   | ERROR  | -          | NOSTATE     |          |
| f6347ddb-e870-447f-8f14-3e3b57a610f2 | 11   | ERROR  | -          | NOSTATE     |          |
| 5de9524f-1167-4ccb-b13c-13acf5435ead | 11   | ERROR  | -          | NOSTATE     |          |
| 0548ebed-f0e4-4233-acf3-0339c4802f0d | 11   | ERROR  | -          | NOSTATE     |          |
| 2c9ee616-eab9-4a4a-af3c-79f858c571d5 | 11   | ERROR  | -          | NOSTATE     |          |
| 9aab5d6a-f5bd-459b-bb25-c04bc56efcf0 | 11   | ERROR  | -          | NOSTATE     |          |
| f9ca1f1c-01f3-41a5-a68b-63f01fd87081 | 11   | ERROR  | -          | NOSTATE     |          |
| dbb3955a-c768-4883-aae4-f3143f7b3a51 | 11   | ERROR  | -          | NOSTATE     |          |
| a587dc5c-54c8-432b-9e38-174aae5e848c | 11   | ERROR  | -          | NOSTATE     |          |
| 609ba5ca-bc49-4de5-be7a-16aab8fcb6d2 | 11   | ERROR  | -          | NOSTATE     |          |
| b42e32e5-2aaa-46ee-b0bf-b08f29867af1 | 11   | ERROR  | -          | NOSTATE     |          |
+--------------------------------------+------+--------+------------+-------------+----------+


Then, I try to list with the first instance id as marker, limited to 3, it's OK: 

[root@host015 astute(keystone_admin)]# nova list --sort created_at:desc --limit 3 --marker 0e02233c-6c73-4bbe-bede-299ba41f44c3
+--------------------------------------+------+--------+------------+-------------+----------+
| ID                                   | Name | Status | Task State | Power State | Networks |
+--------------------------------------+------+--------+------------+-------------+----------+
| f6347ddb-e870-447f-8f14-3e3b57a610f2 | 11   | ERROR  | -          | NOSTATE     |          |
| 5de9524f-1167-4ccb-b13c-13acf5435ead | 11   | ERROR  | -          | NOSTATE     |          |
| 0548ebed-f0e4-4233-acf3-0339c4802f0d | 11   | ERROR  | -          | NOSTATE     |          |
+--------------------------------------+------+--------+------------+-------------+----------+


Then, I try to list with another instance, limited to 3, it's error: 

[root@host015 astute(keystone_admin)]# nova list --sort created_at:desc --limit 3 --marker a587dc5c-54c8-432b-9e38-174aae5e848c
ERROR (BadRequest): marker [a587dc5c-54c8-432b-9e38-174aae5e848c] not found (HTTP 400) (Request-ID: req-308371f4-2962-4f3f-8d4c-69bf8c19664f)


That's because no enough instance of limitation after the marker?
When I set limitation to 2, it's OK:

[root@host015 astute(keystone_admin)]# nova list --sort created_at:desc --limit 2 --marker a587dc5c-54c8-432b-9e38-174aae5e848c
+--------------------------------------+------+--------+------------+-------------+----------+
| ID                                   | Name | Status | Task State | Power State | Networks |
+--------------------------------------+------+--------+------------+-------------+----------+
| 609ba5ca-bc49-4de5-be7a-16aab8fcb6d2 | 11   | ERROR  | -          | NOSTATE     |          |
| b42e32e5-2aaa-46ee-b0bf-b08f29867af1 | 11   | ERROR  | -          | NOSTATE     |          |
+--------------------------------------+------+--------+------------+-------------+----------+

My question: Why does not limitation work when no enough instance ?

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1689692

Title:
  marker not found

Status in OpenStack Compute (nova):
  New

Bug description:
  In my Ocata/RDO enviroment, nova version is 15.0.3, if I list
  instances with a marker&limit, sometimes it says "maker not found".

  More details of my operation steps:

  First, all instances are listed here without limit&marker:

  [root@host015 astute(keystone_admin)]# nova list --sort created_at:desc
  +--------------------------------------+------+--------+------------+-------------+----------+
  | ID                                   | Name | Status | Task State | Power State | Networks |
  +--------------------------------------+------+--------+------------+-------------+----------+
  | 0e02233c-6c73-4bbe-bede-299ba41f44c3 | 11   | ERROR  | -          | NOSTATE     |          |
  | f6347ddb-e870-447f-8f14-3e3b57a610f2 | 11   | ERROR  | -          | NOSTATE     |          |
  | 5de9524f-1167-4ccb-b13c-13acf5435ead | 11   | ERROR  | -          | NOSTATE     |          |
  | 0548ebed-f0e4-4233-acf3-0339c4802f0d | 11   | ERROR  | -          | NOSTATE     |          |
  | 2c9ee616-eab9-4a4a-af3c-79f858c571d5 | 11   | ERROR  | -          | NOSTATE     |          |
  | 9aab5d6a-f5bd-459b-bb25-c04bc56efcf0 | 11   | ERROR  | -          | NOSTATE     |          |
  | f9ca1f1c-01f3-41a5-a68b-63f01fd87081 | 11   | ERROR  | -          | NOSTATE     |          |
  | dbb3955a-c768-4883-aae4-f3143f7b3a51 | 11   | ERROR  | -          | NOSTATE     |          |
  | a587dc5c-54c8-432b-9e38-174aae5e848c | 11   | ERROR  | -          | NOSTATE     |          |
  | 609ba5ca-bc49-4de5-be7a-16aab8fcb6d2 | 11   | ERROR  | -          | NOSTATE     |          |
  | b42e32e5-2aaa-46ee-b0bf-b08f29867af1 | 11   | ERROR  | -          | NOSTATE     |          |
  +--------------------------------------+------+--------+------------+-------------+----------+

  
  Then, I try to list with the first instance id as marker, limited to 3, it's OK: 

  [root@host015 astute(keystone_admin)]# nova list --sort created_at:desc --limit 3 --marker 0e02233c-6c73-4bbe-bede-299ba41f44c3
  +--------------------------------------+------+--------+------------+-------------+----------+
  | ID                                   | Name | Status | Task State | Power State | Networks |
  +--------------------------------------+------+--------+------------+-------------+----------+
  | f6347ddb-e870-447f-8f14-3e3b57a610f2 | 11   | ERROR  | -          | NOSTATE     |          |
  | 5de9524f-1167-4ccb-b13c-13acf5435ead | 11   | ERROR  | -          | NOSTATE     |          |
  | 0548ebed-f0e4-4233-acf3-0339c4802f0d | 11   | ERROR  | -          | NOSTATE     |          |
  +--------------------------------------+------+--------+------------+-------------+----------+

  
  Then, I try to list with another instance, limited to 3, it's error: 

  [root@host015 astute(keystone_admin)]# nova list --sort created_at:desc --limit 3 --marker a587dc5c-54c8-432b-9e38-174aae5e848c
  ERROR (BadRequest): marker [a587dc5c-54c8-432b-9e38-174aae5e848c] not found (HTTP 400) (Request-ID: req-308371f4-2962-4f3f-8d4c-69bf8c19664f)

  
  That's because no enough instance of limitation after the marker?
  When I set limitation to 2, it's OK:

  [root@host015 astute(keystone_admin)]# nova list --sort created_at:desc --limit 2 --marker a587dc5c-54c8-432b-9e38-174aae5e848c
  +--------------------------------------+------+--------+------------+-------------+----------+
  | ID                                   | Name | Status | Task State | Power State | Networks |
  +--------------------------------------+------+--------+------------+-------------+----------+
  | 609ba5ca-bc49-4de5-be7a-16aab8fcb6d2 | 11   | ERROR  | -          | NOSTATE     |          |
  | b42e32e5-2aaa-46ee-b0bf-b08f29867af1 | 11   | ERROR  | -          | NOSTATE     |          |
  +--------------------------------------+------+--------+------------+-------------+----------+

  My question: Why does not limitation work when no enough instance ?

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