An Isilon cluster has four H500 nodes. Data protection and access are set to N+1 and concurrency respectively. How many drives will be used across the disk pool to protect a 1 MB file? A. 4 B. 8 C. 10 D. 11

On which node does the SSIP initially reside? A. Highest node ID B. Lowest node ID C. Lowest logical node number D. Highest logical node number Explanation: The SmartConnect Service IP (SSIP) will always reside on the lowest node (that is available) in the cluster (Node1 in most cases). This IP does not move between […]

A company wants to re-use HD400 nodes into a new cluster with OneFS 8.2.0. What is the minimum number of HD400 nodes required? A. 3 B. 4 C. 5 D. 6 Reference: https://www.commoncriteriaportal.org/files/epfiles/383-7-148%20ST%20v1.0.pdf (9)

Which OneFS networking option enables Isilon for DNS multitenant functionality? A. Groupnet B. Access zone C. Pool D. Subnet Explanation: Groupnets are designed to enable multi-tenant DNS support per access zone. Reference: https://www.dell.com/community/Isilon/Multiple-groupnets-using-the-same-subnet/td-p/7152525

In Isilon OneFS, what is a characteristic of CoW with snapshots? A. Used for small changes, inodes, and directories. B. Avoids the double write penalty. C. Increases file fragmentation. D. Used for more substantial changes such as deletes. Explanation: With copy on write, as the name suggests, a new write to HEAD results in the […]

What defines FEC link aggregation mode? A. Switches to the next interface when the primary interface becomes unavailable. B. Balances outgoing traffic based on hashed protocol header information that includes source and destination addresses, and VLAN tag. C. Balances outgoing traffic based on hashed protocol header information that includes source and destination addresses. D. Balances […]

What impact can obsolete drive firmware have on an Isilon cluster? A. Reduces administrative overhead and increases performance. B. Affects redundancy settings and FEC coding. C. Affects cluster performance or hardware reliability. D. Increases runtime and cluster performance. Reference: http://doc.isilon.com/onefs/7.2.0/help/en-us/GUID-398C2422-1CA5-4AE0-8F3D-09F589C82E6E.html

When reviewing the actual protection output of N+4/2, what does the number “4” represent? A. FEC stripe units per stripe B. Hard drives used per stripe C. Volume stripes per file system D. FEC stripe units per file system Explanation: It’s OneFS FEC protection nomenclature for our “hybrid” protection polices. More generally, it’s written as: […]