libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

struct nvme\_reachability\_groups\_log - Reachability Groups Log

# [SYNOPSIS](#SYNOPSIS)

struct nvme\_reachability\_groups\_log {  
**\_\_le64 chngc;**  
**\_\_le16 nrgd;**  
**\_\_u8 rsvd10\[6];**  
**struct nvme\_reachability\_group\_desc rgd\[];**  
};

# [Members](#Members)

[chngc](#chngc)

Change Count

[nrgd](#nrgd)

Number of Reachability Group Descriptors

[rsvd10](#rsvd10)

Reserved

[rgd](#rgd)

Reachability Group Descriptor List

struct nvme\_reachability\_groups\_log October 2026

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Document: nvme_reachability_groups_log-libnvme3(2) from nvme-cli 3.2-r0 (Chainguard OS)
Source: https://github.com/linux-nvme/nvme-cli