[HDDS-2497] SafeMode check should allow key creation on single node pipeline when replication factor is 1

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Resolved
• Assignee: Sammi Chen
• Reporter: Xiaoyu Yao
• Created: 15/Nov/19 01:03
• Updated: 11/Dec/19 07:52
• Resolved: 11/Dec/19 07:52

Description

Start a single datanode ozone docker-compose with replication factor of 1.

OZONE-SITE.XML_ozone.replication=1

The key creation failed with Safemode exception below. 

>$ docker-compose exec om bash
bash-4.2$ ozone sh vol create /vol1
bash-4.2$ ozone sh bucket create /vol1/bucket1
ozone sh kbash-4.2$ ozone sh key put /vol1/bucket1/key1 README.md
SCM_IN_SAFE_MODE SafeModePrecheck failed for allocateBlock

 

Issue Links

• is caused by: HDDS-2034 Async RATIS pipeline creation and destroy through heartbeat commands