| Component | Adaptable Modular Storage 2500/2500DC | Adaptable Modular Storage 2300 | Adaptable Modular Storage 2100 |
|---|---|---|---|
| Nondisruptive component replacement | Major FRU | Major FRU | Major FRU |
| Nondisruptive hot-pluggable disks | Yes | Yes | Yes |
| Nondisruptive microcode updates | Yes | Yes | Yes |
| Continuous disk background checks | Yes | Yes | Yes |
| Host failover | Hitachi Dynamic Link Manager | Hitachi Dynamic Link Manager | Hitachi Dynamic Link Manager |
| VERITAS DMP support | Yes | Yes | Yes |
| Cache battery backup | Yes | Yes | Yes |
| Optional UPS battery | Yes | Yes | Yes |
| Maximum hot spares | 30 | 30 | 15 |
| Hi-Track® "call-home" service/remote maintenance tool | Yes | Yes | Yes |
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