cong_chen
1 Copper

Re: 【专家问答】Isilon 工作引擎(Job Engine)大讲堂

感谢老师百忙之中回答我的问题,根据您给的示例,test pool中的IP是浮动的,您说:如果该节点的网络端口属于动态分配的网络池成员 。请问此句话中的该节点的网络端口这个怎么判断?如何能查到该节点的IP,可能问的问题比较low,谢谢~~

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dennyw1
1 Nickel

Re: 【专家问答】Isilon 工作引擎(Job Engine)大讲堂

Chen Cong您好,

运行以下命令,找到你要查看的pool的配置。

# isi networks list pools -v

...

subnet1:test

          In Subnet: subnet1

         Allocation: Dynamic

             Ranges: 1

                     10.111.191.20-10.111.191.21

    Pool Membership: 1

                     1:ext-1 (up)

   Aggregation Mode: Link Aggregation Control Protocol (LACP)

        Access Zone: System (1)

       SmartConnect:

                     Suspended Nodes  : None

                     Auto Unsuspend ... 0

                     Zone             : N/A

                     Time to Live     : 0

                     Service Subnet   : N/A

                     Connection Policy: Round Robin

                     Failover Policy  : Round Robin

                     Rebalance Policy : Automatic Failback

其中有一项是Pool Membership,包含了所有属于该网络池的端口名。例子中1:ext-1代表了节点1的外部1G网口,我们可以通过查阅此列表来判断。

查询ip可以通过以下命令:

# isi networks list ifaces -w

Interface       Status      Membership                Addresses

--------------- ----------- ------------------------- ------------------------------

1:ext-1 up subnet1:pool0,subnet1:test 10.111.191.3,10.111.191.20,10.111.191.21

输出中包含了网络端口的名字,状态,所属的网络池信息,以及所对应的ip地址。


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cong_chen
1 Copper

Re: 【专家问答】Isilon 工作引擎(Job Engine)大讲堂

谢谢老师!!!感谢!

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8 Krypton

Re: 【专家问答】Isilon 工作引擎(Job Engine)大讲堂

Hi there,

1. Any documents & best practices regarding optimize SMB performance over 10GbE network that can be shared? The client is running macOS Sierra 10.12.3. We are looking for tunable smb / tcp kernel state and the recommended value.

Here is one back to 2014 and the information is limited. Any additional recommends?

https://www.emc.com/collateral/TechnicalDocument/docu51273.pdf

2. Do you have any sample data like how many MB/s throughput (Read and Write, not simultaneous) can be achieved under an end-to-end 10GbE network, assuming the storage layout (Isilon) is not the performance limit and the client is allowed enough smb credits / tcp window to fill the pipe. Possible the solution-based white paper may have the data, but I haven't had a chance to check out. We are seeing 560MB/s read and 460MB/s writes and are looking for a potential improvements. Jumbo frame is not allowed.

Thanks a lot!

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nicole_zhou
1 Nickel

Re: 【专家问答】Isilon 工作引擎(Job Engine)大讲堂

Hi Steve,

As Denny and I are not SMB expert, I discussed your questions with my colleagues familiar with SMB.

So for question 1, unfortunately, the latest documentation we have is what you find.

For question 2, we only have some perf referrence for single thread read or write, ideally it can reach 280MB/s - 300MB/s, And  if the multi-channel is applied to the SMB clients,  probably could reach over 300MB/s for a single thread read/write , but it still depends on the network bandwidth.

Thanks.

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版主
版主

Re: 【专家问答】Isilon 工作引擎(Job Engine)大讲堂

微信用户“杨苏华”提问:

请问下isilon的专家,NAS,对象,hdfs等服务都是运行在一套统一的onefs文件系统之上吗?对于对象协议,onefs最多能够管理多少个对象呢? onefs 的 NAS最多能管理多少个文件呢?限制因素在哪里。

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dennyw1
1 Nickel

Re: 【专家问答】Isilon 工作引擎(Job Engine)大讲堂

杨先生您好,

从文件系统的设计上来看,OneFS对于文件数量是没有限制的。和普通的Nix系统不同,OneFS能够动态分派空闲的磁盘空间来持续创建新的inode。

从具体的应用实例来看,参考以下最佳实践来避免可能造成的性能影响。

每个目录下的子目录数量:不超过100,000

每个目录下的文件数量: 不超过1,000,000

更多最佳实践可以查看文档。

https://support.emc.com/docu50238_Isilon-Guidelines-for-Large-Workloads-(OneFS-7.0.2).pdf?language=e...

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David_Qian
1 Nickel

Re: 【专家问答】Isilon 工作引擎(Job Engine)大讲堂

麻烦专家给介绍下NFS和SMB混合环境下的用户认证问题,看文档里面有写access token,mapping啥的,概念太多看晕了。

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MaHongbin
6 Indium

Re: 【专家问答】Isilon 工作引擎(Job Engine)大讲堂

请问,isilon是如何管理S3或swift存储进来的object的?object支持副本模式冗余吗,还是只能用EC? isilon能够管理的object规模是多少,有无限制?谢谢

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nicole_zhou
1 Nickel

Re: 【专家问答】Isilon 工作引擎(Job Engine)大讲堂

David,您好:

您这个问题比较宽泛,我需要了解您具体的使用环境才能作出比较详细的解答。

1. 您可以简单介绍下的您的工作模型吗?比如说您的的环境中,用户们是既需要访问SMB共享文件夹又需要访问NFS export的?还是一些用户只访问SMB,另外一些只访问NFS,互相不冲突?如果是前者,那么他们访问SMB和NFS时使用的用户名分别是什么?

2. 您的NFS用户信息是通过什么服务提供的?NIS、LDAP,AD的RFC2307还是OneFS本地用户目录?

3. 您的OneFS上是否有设置用户或组的映射规则(mapping rule)?有的话,具体的规则是什么?

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