IBM System Storage DS3512 Quick Installation & Configuration Guide
Drive Support: Holds up to 12 hot-swappable 3.5-inch SAS disk drives.
- Hardware Overview: The manual provides detailed information on the DS3512 system's hardware components, including:
Without IBM support login, the best strategy is to search for:
"GC27-2295" filetype:pdf
using a general search engine. Librarians and IT veterans have uploaded these to public file archives as they are no longer restricted by active support contracts.- Thin vs. thick provisioning, auto-tiering if supported
- Drive bays: 12 x 3.5" or 2.5" SAS/SATA hot-swappable drives.
- RAID controllers: Single or dual active-active controllers (model suffix 1 or 2).
- Host interfaces: 6Gb SAS (most common), 8Gb Fibre Channel, or 1Gb iSCSI.
- Expansion ports: Two mini-SAS (SFF-8088) ports for connecting EXP3512 or EXP3524 expansion enclosures.
- Cache memory: 2GB per controller (non-expandable on base DS3512).
When the dashboard finally appeared, the prognosis was worse than he thought. Drive 4 had failed. But Drive 9 was showing "Predictive Failure." The array was running degraded, and the stress of rebuilding the data onto a hot spare was pushing Drive 9 over the edge.
Final checklist before working on your DS3512: