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系统。磁盘

包含有关在定义的磁盘信息 .

• (字符串) — Name of a disk in the server configuration.
• path () — Path to the mount point in the file system.
• total_space (UInt64) — Disk volume in bytes.
• () — Amount of disk space that should stay free on disk in bytes. Defined in the keep_free_space_bytes 磁盘配置参数。

包含有关存储策略和卷中定义的信息 服务器配置.

• policy_name () — Name of the storage policy.
• (UInt64) — Volume order number in the configuration.
• disks () — Disk names, defined in the storage policy.
• max_data_part_size (UInt64) — Maximum size of a data part that can be stored on volume disks (0 — no limit).

如果存储策略包含多个卷，则每个卷的信息将存储在表的单独行中。