Configuring a chunk to enter or exit storage maintenance mode

Procedure

Run the following command on any node in the cluster to set a chunk to enter or exit storage maintenance mode.

zbs-meta chunk set_maintenance <cid> <is_maintenance> [--expire_duration_s <EXPIRE_DURATION_S>]

Parameter	Description
`cid`	The chunk ID.
`is_maintenance`	Whether to enter maintenance mode. Valid values: `true` or `false`.
`--expire_duration_s <EXPIRE_DURATION_S>`	Optional. Specifies the maintenance mode expiration time, only valid for entering storage maintenance mode. If not specified, the system defaults to the maximum of `604800` seconds (7 days).

Output example

-----------------------  ----------------------------------------------
ID                       1
IP                       10.2.234.198
Host Name                acos-6-3-0-b45-el7X0617125715X3
Port                     10200
Storage Pool             system
Use State                IN_USE
Link Status              CONNECTED_ERROR
Data Capacity            602.34 GiB
Valid Space              602.34 GiB
Allocated Space          0.00 B
Failure Data Space       0.00 B
Perf Data Capacity       20.00 GiB
Perf Valid Space         20.00 GiB
Perf Allocated Space     768.00 KiB
Perf Failure Data Space  0.00 B
Registered Date          2024-06-17 14:06:12
LSM Version              2.4.1
Zone                     default
Maintenance Mode         True
-----------------------  ----------------------------------------------

Output note

Parameter	Description
`Storage Pool`	The associated storage pool.
`Use State`	The usage status.
`Link Status`	The connection status.
`Data Capacity`	The total data capacity provided by the capacity tier.
`Valid Space`	The valid data space in the capacity tier.
`Allocated Space`	The allocated data space in the capacity tier (space recognized as used by meta).
`Failure Data Space`	The failure data space in the capacity tier.
`Perf Data Capacity`	The total data capacity provided by the performance tier.
`Perf Valid Space`	The valid data space in the performance tier.
`Perf Allocated Space`	The allocated data space in the performance tier (space recognized as used by meta).
`Perf Failure Data Space`	The failure data space in the performance tier.
`Registered Date`	The registration time.
`LSM Version`	The LSM version.
`Zone`	The associated availability zone.
`Maintenance Mode`	Whether it is in maintenance mode.