From the client side, you might grab a packet capture that includes DNS and AD traffic to all hosts, as well as SMB traffic to the Isilon, and see what's occurring in the time window. 027-529 is usually a connectivity issue, check your settings, try to connect to the shared folder from another computer to see if that works etc. So we have a Isilon Storage Cluster, and both Windows and Mac Clients connecting to it. 2.1 SMB authentication methods As Figure 1 shows, the OneFS cluster will authenticate SMB users in the SMB session setup phase, then users can create SMB sessions to access data stored on the cluster. Isilon is a network storage array made by EMC that allows the presentation of both CIFS (Windows) and NFS (UNIX\Linux) shares. In most cases, you will notice the issue … OneFS supports two types of authentication methods for SMB: Kerberos and NTLM. We highly encourage customers to install the latest Roll-up Patches (RUPs), Node Firmware Packages (NFPs), and Drive Support Packages (DSPs) as well, to further enhance performance and resolve known issues regularly. SMB continuous availability. In the Share Name field, type a name for the share. Share names can contain up to 80 characters, and can only contain alphanumeric characters, hyphens, and spaces. Optional: In the Description field, type a comment about the share you are creating Windows (for obvious reasons) connects and performs extremely well using SMB. Click Add a share. Before you troubleshoot, make sure that the latest update rollup is installed on the SMB server to eliminate any known issues in srv2.sys. Go to Protocols > Windows Sharing (SMB) > SMB Shares and create a share. Check Enable continuous availability on the share. Re: SMB Scanning to an Isilon with the 41XX series Hi, SMBproblems! SMB design considerations and common practices H17463.1 1 SMB design considerations and common practices 1.1 SMB protocol introduction The SMB protocol is a network file sharing protocol, and as implemented in Microsoft Windows® is known as the Microsoft SMB protocol. SMB is the protocol of choice for macOS clients connecting to Isilon storage. (Combine this with a … Kerberos authentication is the first option in the SMB … If a server is using Windows 8 or Windows Server 2012, clients can create persistent file handles that can be reclaimed … Although this device is not a traditional server, files can still become locked, requiring a systems administrator to connect and force the file closed so another user can open it for … (Optional) Click Show Advanced Settings. (Optional) In the Continuous Availability Timeout field, specify the amount of time you want a persistent handle to be retained after a client is … Click Protocols > Windows Sharing (SMB) > SMB Shares. Other common causes of this include negotiation issues with the AD server and problems with reverse DNS. Multi-protocol support in OneFS enables files and directories on the Isilon cluster to be accessed through SMB for Windows file sharing, NFS for UNIX file sharing, secure shell (SSH), FTP, and HTTP. If set to no, OneFS issues persistent handles, but discards them if any client other than the original opener tries to … The comprehensive scope of the Isilon OneFS 8.2.2 release includes: Cluster Scaling up to 252 Nodes; Performance Statistics for SMB High CPU usage because of storage performance issues. If you are running OneFS in an SMB 3.0 environment, you allow certain Windows clients to open files on a server with continuous availability enabled. This paper shows that SMB consistently outperformed NFS on macOS 10.13+, and describes additional topics: • Alternate data streams (named streams) support -Isilon has robust support for macOS resource fork data stored through alternate data streams over SMB. Isilon OneFS v8.2.1.0 islcas-4# isi smb openfiles close 78729839 This should help with fixing a stuck smb lock on an isilon cluster Tags dell , file share , isilon , smb Storage performance issues can cause high CPU usage on SMB servers.