Avamar 복제 작업이 실패하고 "cannot establish connection with server (possible network or DNS failure)"

Summary: Avamar 복제 작업이 간헐적으로 실패하고 "cannot establish connection with server (possible network or DNS failure)"

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Symptoms

새 스토리지 노드가 Avamar에 추가됩니다. 복제 타겟입니다.

작업을 수행했던 복제 작업이 간헐적으로 실패하기 시작합니다.
 
다음 메시지는 복제 로그에서 찾을 수 있습니다. 
2014-11-19 22:10:42 avtar Info <5552>: Connecting to Avamar Server (avamar-source)
2014-11-19 22:10:42 avtar Info <5554>: Connecting to one node in each datacenter
2014-11-19 22:10:42 avtar Info <5993>: - Connect: Connected to 10.46.76.180:27000, Priv=0, TCP
2014-11-19 22:10:42 avtar Info <5993>: - Datacenter 0 has 1 nodes: Connected to 10.46.76.180:27000, Priv=0, TCP
2014-11-19 22:10:42 avtar Info <5552>: Connecting to Avamar Server (avamar-target)
2014-11-19 22:10:42 avtar Info <5554>: Connecting to one node in each datacenter
2014-11-19 22:10:47 avtar Info <5694>: - Failed initial handshake, trying again
2014-11-19 22:10:52 avtar Info <5694>: - Failed initial handshake, trying again
2014-11-19 22:10:57 avtar Info <5694>: - Failed initial handshake, trying again
2014-11-19 22:11:02 avtar Info <5694>: - Failed initial handshake, trying again
2014-11-19 22:11:07 avtar Info <5694>: - Failed initial handshake, trying again
2014-11-19 22:11:12 avtar Info <5694>: - Failed initial handshake, trying again
2014-11-19 22:11:17 avtar Info <5694>: - Failed initial handshake, trying again
2014-11-19 22:11:22 avtar Info <5694>: - Failed initial handshake, trying again
2014-11-19 22:11:27 avtar Info <5694>: - Failed initial handshake, trying again
2014-11-19 22:11:32 avtar Info <5694>: - Failed initial handshake, trying again
2014-11-19 22:11:32 avtar Info <5993>: - Connect: Connected to 10.14.3.30:27000, Priv=0, TCP
2014-11-19 22:11:33 avtar Info <5559>: - Trying connection 10.14.3.35:27000
2014-11-19 22:11:39 avtar Info <5559>: - Trying connection 10.14.3.38:27000
2014-11-19 22:11:44 avtar Info <5559>: - Trying connection 10.14.3.44:27000
2014-11-19 22:11:49 avtar Info <5559>: - Trying connection 10.14.3.39:27000
2014-11-19 22:11:55 avtar Info <5559>: - Trying connection 10.14.3.36:27000
2014-11-19 22:12:00 avtar Info <5559>: - Trying connection 10.14.3.43:27000
2014-11-19 22:12:05 avtar Info <5559>: - Trying connection 10.14.3.37:27000
2014-11-19 22:12:11 avtar Info <5559>: - Trying connection 10.14.3.42:27000
2014-11-19 22:12:16 avtar Info <5559>: - Trying connection 10.14.3.44:27000
2014-11-19 22:12:21 avtar Info <5557>: No connections available
2014-11-19 22:12:21 avtar FATAL <8604>: Fatal server connection problem, aborting initialization. Verify correct server address and login credentials and that your server supports un-encrypted network connections.
2014-11-19 22:12:21 avtar FATAL <10776>: Failed to initiate session with servers for replication.
2014-11-19 22:12:21 avtar Info <6149>: Error summary: 2 errors: 8604, 10776
2014-11-19 22:12:21 avtar Info <8468>: Sending wrapup message to parent
2014-11-19 22:12:21 avtar Info <5314>: Command failed (2 errors, exit code 10008: cannot establish connection with server (possible network or DNS failure))

로그에서 볼 수 있듯이 Avamar 소스에는 단일 노드가 있습니다.
복제 작업은 IP 10.1.1.30을 사용하여 Avamar 타겟에 연결할 수 있습니다.
디스패치 테이블이 제공하는 노드 중 9개에 도달할 수 없습니다.
 
  • 타겟 시스템 IP 주소가 올바른 것으로 확인되었습니다.
  • 타겟의 로그인 자격 증명이 올바른지 확인합니다.

Cause

Avamar 타겟이 확장되었을 때 새 노드에 대한 연결을 활성화하는 데 필요한 방화벽 포트가 열리지 않았습니다.
복제가 원래 스토리지 노드에 연결되면 성공합니다.
복제가 새 스토리지 노드에 연결되면 실패합니다.

Resolution

Avamar 소스의 모든 노드와 타겟 시스템의 모든 노드 간의 네트워크 연결을 확인합니다.  

자세한 내용은 Avamar 제품 보안 가이드를 참조하십시오. 

https://www.dell.com/support/home/en-us/product-support/product/avamar-server/docs



Affected Products

Avamar

Products

Avamar
Article Properties
Article Number: 000038488
Article Type: Solution
Last Modified: 06 Feb 2025
Version:  4
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