Interview Questions – Data Management and High Availability

The following job interview question test interviewee’s knowledge and understanding of various Data  Management Techniques as well as High Availability Solutions.

  1. Draw a picture describing an end-to-end fault tolerant or highly available storage infrastructure from server to (both IP-SAN and FC SAN) to storage-device. Think of high availability at every possible point in the topology.
  2. What are various Data Protection Methods?
  3. What is HSM – Hierarchical Storage Management?
  4. What are various Disaster Recovery Solutions?
  5. What are various backup challenges?
  6. Compare and contrast Backup and Snapshot?
  7. Compare and contrast Snapshot and CDP?

Backup Assignment – The file system size is 1GB, 2GB, 3GB, 4GB & 5GB for 5 consecutive days (assume only file additions have happened every consecutive day)

  1. Total space needed for full backup for 5 days would be?
  2. Total space needed for incremental backup for 5 days would be?
  3. Total space needed for differential backup for 5 days would be?

Learn the answer of these interview questions and an in-depth coverage on SAN by our most popular training program titled SAN Technology Training delivered by our Founder & CTO.


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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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