Stop formatting disks when deleting a filesystem

Rather than format the disks, just delete the logical volumes and volume groups. This should stop using up SSD life on formatting the disks.
RSE-Cambridge · Apr 16, 2019 · 5567c09 · 5567c09
1 parent 8c02d2f
commit 5567c09
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diff --git a/fs-ansible/roles/lustre/tasks/format.yaml b/fs-ansible/roles/lustre/tasks/format.yaml
@@ -6,7 +6,7 @@
     osts: "{{ vars[fs_name + '_osts'] | default({}) }}"
     client_port: "{{ vars[fs_name + '_client_port'] }}"
     mdt_size: "{{ vars[fs_name + '_mdt_size'] | default('10%') }}"
-  tags: [ 'never', 'format_mgs', 'reformat_mgs', 'format']
+  tags: [ 'never', 'format_mgs', 'reformat_mgs', 'format', 'clean']
 
 - name: Ensure MGS has been formatted
   command: /usr/sbin/mkfs.lustre --mgs /dev/{{ mgs }}
@@ -67,7 +67,7 @@
       when:
         - osts is defined
 
-  tags: [ 'never', 'reformat_mdts', 'reformat_osts', 'format']
+  tags: [ 'never', 'reformat_mdts', 'reformat_osts', 'format', 'clean']
 
 
 - name: Ensure MDTs setup

diff --git a/internal/pkg/pfsprovider/ansible/ansible.go b/internal/pkg/pfsprovider/ansible/ansible.go
@@ -215,7 +215,7 @@ func executeAnsibleTeardown(fsType FSType, volume registry.Volume, brickAllocati
 		return err
 	}
 
-	formatArgs := "dac.yml -i inventory --tag format"
+	formatArgs := "dac.yml -i inventory --tag clean"
 	err = executeAnsiblePlaybook(dir, formatArgs)
 	if err != nil {
 		return err