diff --git a/doc/requirements/management b/doc/requirements/management
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+---
+group: Management
+---
+
+Management operations allows the user to control and maintain the Open CAS
+Linux. They are performed from console line with management tool.
+
+--------------------------------------------------------------------------------
+--------------------------------------------------------------------------------
+title: Add core device
+id: add_core_device
+---
+
+The management tool shall allow to add the core device to the cache instance.
+
+--------------------------------------------------------------------------------
+--------------------------------------------------------------------------------
+title: Add core device repeatedly
+id: add_core_device_repeatedly
+---
+
+While the core device is added to the cache instance, the management tool shall
+not allow to add the core device to any cache instance.
+
+--------------------------------------------------------------------------------
+--------------------------------------------------------------------------------
+title: Cache volume states
+id: cache_volume_states
+---
+
+The cache volume shall be allowed to switch between the following states:
+
+1. active
+2. inactive
+
+--------------------------------------------------------------------------------
+--------------------------------------------------------------------------------
+title: Cache volume default state
+id: cache_volume_default_state
+---
+
+When the cache volume is added to the cache instance its state is set to the
+_active_ state by default.
+
+--------------------------------------------------------------------------------
+--------------------------------------------------------------------------------
+title: Remove cache volume
+id: remove_cache_volume
+---
+
+The management tool shall allow to remove the cache volume from the cache
+instance.
+
+--------------------------------------------------------------------------------
+--------------------------------------------------------------------------------
+title: Remove cache volume with flush
+id: remove_cache_volume_flush
+---
+
+When the removing operation is invoked while the cache volume contains the dirty
+data, the management tool shall trigger the flush before removing the cache
+volume from the cache instance as the default behaviour.
+
+--------------------------------------------------------------------------------
+--------------------------------------------------------------------------------
+title: Remove cache volume without flush
+id: remove_cache_volume_no_flush
+---
+
+When the removing operation is invoked while the cache volume contains the dirty
+data and it is explicitly specified, the management tool shall not trigger the
+flush before removing the cache volume from the cache instance and shall inform
+about the consequences.
+
+--------------------------------------------------------------------------------
+--------------------------------------------------------------------------------
+title: Interrupt flush during cache volume removal
+id: remove_cache_volume_flush_interrupt
+---
+
+While the cache volume that contains dirty data is removed with flush, the
+management tool shall allow to interrupt the removal operation and the cache
+volume shall remain its previous state and proper information shall be
+displayed.
+
+--------------------------------------------------------------------------------
+--------------------------------------------------------------------------------
+title: Detach cache volume
+id: detach_cache_volume
+---
+
+The management tool shall allow to detach the active cache volume from the cache
+instance. After the detaching operation the cache volume shall stay in the core
+pool of the cache instance from which the cache volume was detached.
+
+--------------------------------------------------------------------------------
+--------------------------------------------------------------------------------
+title: Detach inactive cache volume
+id: detach_cache_volume_inactive
+---
+
+The management tool shall not allow to detach the inactive cache volume from the
+cache instance.
+
+--------------------------------------------------------------------------------
+--------------------------------------------------------------------------------
+title: Detach cache volume with flush
+id: detach_cache_volume_flush
+---
+
+When the detaching operation is invoked while the cache volume contains the
+dirty data, the management tool shall trigger the flush before detaching the
+cache volume from the cache instance as the default behaviour.
+
+--------------------------------------------------------------------------------
+--------------------------------------------------------------------------------
+title: Detach cache volume without flush
+id: detach_cache_volume_no_flush
+---
+
+When the detaching operation is invoked while the cache volume contains the
+dirty data and it is explicitly stated, the management tool shall not trigger
+the flush before detaching the cache volume from the cache instance and shall
+inform about the consequences.
+
+--------------------------------------------------------------------------------
+--------------------------------------------------------------------------------
+title: Interrupt flush during cache volume detaching
+id: detach_cache_volume_flush_interrupt
+---
+
+While the cache volume that contains dirty data is removed with flush, the
+management tool shall allow to interrupt the removal operation and the cache
+volume shall remain its previous state and proper information shall be
+displayed.
+
+--------------------------------------------------------------------------------
+--------------------------------------------------------------------------------
+title: Attach inactive cache volume
+id: attach_inactive_cache_volume
+---
+
+While the cache volume is in inactive state, the management tool shall allow to
+attach the cache volume to the cache instance to which core pool the cache
+volume belongs.
+
+--------------------------------------------------------------------------------
+--------------------------------------------------------------------------------
+title: Attach active cache volume
+id: attach_inactive_cache_volume
+---
+
+While the cache volume is in active state, the management tool shall not allow
+to attach the cache volume to any cache instance.
+
+--------------------------------------------------------------------------------
+--------------------------------------------------------------------------------
+title: Remove inactive cache volume
+id: remove_inactive_cache_volume
+---
+
+While the cache volume is in the inactive state, the management tool shall allow
+to remove the cache volume from the core pool of the cache instance to which the
+cache volume belongs.