Abstract: A system may include one or more processors configured to receive a write operation to write a block of data to a logical device established using one or more storage devices which reserve one or more data strips and one or more metadata blocks to store data of write journals. The one or more processors may identify a first data strip of the block of data to be written to a first storage device of the one or more storage devices, write a copy of the first data strip to a data strip of the one or more data strips reserved on the first storage device, write metadata relating to the block of data to a metadata block of the one or more metadata blocks reserved on the first storage device, and execute the write operation to store the block of data across the one or more storage devices.

Abstract: A system may include one or more processors configured to receive a frame comprising a quantity of commands, a quantity of storage devices, and a buffer map. In response to the frame, the one or more processors may read, using the buffer map and from a memory, (1) input data for each of one or more storage devices corresponding to the quantity of storage devices and (2) an identifier of each of the one or more storage devices. The one or more processors may send, to the one or more storage devices, a plurality of commands corresponding to the quantity of commands, based at least on the input data for each storage device and the identifier of each storage device.

Abstract: An electronic lock can enter a lockdown mode in response to a lockdown command comprising a mechanical command, e.g. a button or door handle being pressed on the lock in a predefined time-series sequence, or touching the lock in a time-series sequence). Alternatively, an audio or visual command can be issued, e.g. saying certain words or making a hand gesture. The lock may require additional authentication before executing the lockdown command, e.g. recognizing an authorized electronic key. Other embodiments are also provided.

Abstract: An electronic lock can enter a lockdown mode in response to a lockdown command comprising a mechanical command, e.g. a button or door handle being pressed on the lock in a predefined time-series sequence, or touching the lock in a time-series sequence). Alternatively, an audio or visual command can be issued, e.g. saying certain words or making a hand gesture. The lock may require additional authentication before executing the lockdown command, e.g. recognizing an authorized electronic key. Other embodiments are also provided.

Abstract: An electronic lock can enter a lockdown mode in response to a lockdown command comprising a mechanical command, e.g. a button or door handle being pressed on the lock in a predefined time-series sequence, or touching the lock in a time-series sequence). Alternatively, an audio or visual command can be issued, e.g. saying certain words or making a hand gesture. The lock may require additional authentication before executing the lockdown command, e.g. recognizing an authorized electronic key. Other embodiments are also provided.

Abstract: An electronic lock can enter a lockdown mode in response to a lockdown command comprising a mechanical command, e.g. a button or door handle being pressed on the lock in a predefined time-series sequence, or touching the lock in a time-series sequence). Alternatively, an audio or visual command can be issued, e.g. saying certain words or making a hand gesture. The lock may require additional authentication before executing the lockdown command, e.g. recognizing an authorized electronic key. Other embodiments are also provided.

Abstract: An electronic lock can enter a lockdown mode in response to a lockdown command comprising a mechanical command, e.g. a button or door handle being pressed on the lock in a predefined time-series sequence, or touching the lock in a time-series sequence). Alternatively, an audio or visual command can be issued, e.g. saying certain words or making a hand gesture. The lock may require additional authentication before executing the lockdown command, e.g. recognizing an authorized electronic key. Other embodiments are also provided.

Abstract: Methods for providing a service in a telecommunication network are described herein. An emergency contact service is activated for a valid subscriber of a provider of the telecommunication network. A permission is associated with the emergency contact list. The permission grants access to an entity requesting access based on a status of the requesting entity. An access identifier correlates with the emergency contact list.