md_devices

Software RAID array settings.

Table schema

Name Type Description
device_name TEXT md device name
status TEXT Current state of the array
raid_level INTEGER Current raid level of the array
size BIGINT size of the array in blocks
chunk_size BIGINT chunk size in bytes
raid_disks INTEGER Number of configured RAID disks in array
nr_raid_disks INTEGER Number of partitions or disk devices to comprise the array
working_disks INTEGER Number of working disks in array
active_disks INTEGER Number of active disks in array
failed_disks INTEGER Number of active disks in array
spare_disks INTEGER Number of active disks in array
superblock_state TEXT State of the superblock
superblock_version TEXT Version of the superblock
superblock_update_time BIGINT Unix timestamp of last update
bitmap_on_mem TEXT Pages allocated in in-memory bitmap, if enabled
bitmap_chunk_size TEXT Bitmap chunk size
bitmap_external_file TEXT External referenced bitmap file
recovery_progress TEXT Progress of the recovery activity
recovery_finish TEXT Estimated duration of recovery activity
recovery_speed TEXT Speed of recovery activity
resync_progress TEXT Progress of the resync activity
resync_finish TEXT Estimated duration of resync activity
resync_speed TEXT Speed of resync activity
reshape_progress TEXT Progress of the reshape activity
reshape_finish TEXT Estimated duration of reshape activity
reshape_speed TEXT Speed of reshape activity
check_array_progress TEXT Progress of the resync activity
check_array_finish TEXT Estimated duration of resync activity
check_array_speed TEXT Speed of resync activity
unused_devices TEXT Unused devices
other TEXT Other information associated with array from /proc/mdstat