Dell DCA-ISM case studies
Dell DCA-ISM · Put your knowledge to work in context.
The Dell Certification Associate – Information Storage and Management (DCA-ISM) is an entry-level credential for people who need to speak the language of enterprise storage: what data lives on, how it is protected, how it is moved, and how it is managed. It suits pre-sales staff, data center administrators, support engineers, and career-changers moving from servers or networking into storage, as well as students building a foundation before deeper specialist certifications. The Dell DCA-ISM case studies are 5 cases and about 3,372 words.
1RAID 6 Rebuild Under a Double-Failure Threat
Northline Media archives 4K camera footage on a 24-bay dual-controller array. The array holds 12 x 10 TB 7200 rpm SATA drives in a single RAID 6 volume, currently 78% utilized.
793 words, about 4 min2Async Replication RPO on a Saturated MPLS Link
A regional distributor runs SAP ERP on a 30 TB Oracle database. RPO is 15 minutes and RTO is 4 hours.
659 words, about 3 min3Shared Storage Admin Accounts and an Exposed 6 km Fiber Link
A hospital's SAN has two fabrics, 48 hosts, and three arrays. Zoning was built by different contractors: most zones are single-initiator/single-target, but one fabric still has broad zones that let all hosts see all array ports.
654 words, about 3 min4Lift-and-Shift to Cloud NAS with 400 TB and Latency-Sensitive CAD
A design firm has 400 TB on a 5-year-old NAS. Of that, 250 TB is completed project archives untouched for more than 12 months, 100 TB is active project files, and 50 TB is rendered marketing media.
621 words, about 3 min5Small-File AI Training Bottleneck on a Single NFS Export
A research lab trains vision models on 60 TB of images, average file size 180 KB, roughly 340 million files. Eight GPU nodes each read the dataset in random order per epoch; aggregate peak read demand is about 4 GB/s.
645 words, about 3 min