if !sufficientCapacity {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, AdminError{
			Code:       "XMinioSpeedtestInsufficientCapacity",
			Message:    capacityErrMsg,
			StatusCode: http.StatusInsufficientStorage,
		}), r.URL)
		return
	}

	if autotune && !canAutotune {
		autotune = false
	}

	if customBucket == "" {

nal-Server-Side-Encryption-S3-Sealed-Key":"IAAfAOvRJk4niUqBzSDB==","X-Minio-Internal-Server-Side-Encryption-Seal-Algorithm":"DAREv2-HMAC-SHA256","content-type":"application/octet-stream"}},{"Bucket":"buck1","Name":"go_113/src/cmd/internal/objabi/autotype.go","UserDef":{"X-Minio-Internal-Server-Side-Encryption-Iv":"maa21/W+MqFlTfZDusXoYrk8aoos=","X-Minio-Internal-Server-Side-Encryption-S3-Kms-Key-Id":"my-minio-key","X-Minio-Internal-Server-Side-Encryption-S3-Kms-Sealed-Key":"IAAfAKDTTA3eOWLEd/0vs...