Avamar 复制作业失败，并显示“cannot establish connection with server （possible network or DNS failure）”

Summary: Avamar 复制作业间歇性失败，并显示“cannot establish connection with server （possible network or DNS failure）”

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Symptoms

新存储节点将添加到 Avamar。它是复制目标。

用于工作的复制作业会间歇性地失败。

以下消息可在复制日志中找到 
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))

如日志中所示，Avamar 源具有单个节点。
复制作业可以使用 IP 10.1.1.30 连接到 Avamar 目标。
它无法到达派单员表提供给它的九个节点。
 
  • 已确认目标系统 IP 地址正确
  • 目标上的登录凭据正确无误

Cause

扩展 Avamar 目标时，未打开启用与新节点连接所需的防火墙端口。
当复制连接到任何原始存储节点时，它将成功。
当复制连接到新存储节点时，它将失败。

Resolution

检查 Avamar 源上的所有节点与目标系统上的所有节点之间的网络连接。  

有关更多信息，请参阅《Avamar Product Security Guide》（Avamar 产品安全指南）。

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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