Write protection for storage cartridges
AssigneeHewlett Packard Enterprise Development LP
InventorsRichard Arthur Bickers, Curtis C. Ballard
Life of this patent
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Abstract
In some examples, a controller for a storage system separate from a host system checks whether a storage cartridge in a storage system is associated with an indication set, in an electronic memory, during a configuration operation in the storage system to indicate write protection is enabled for the storage cartridge. In response to determining that the storage cartridge is associated with the indication, the controller triggers the write protection for the storage cartridge to prevent writing of data to the storage cartridge if the storage cartridge already contains previously written data.
Claims19
A non-transitory machine-readable storage medium comprising instructions that upon execution cause a controller for a storage system, separate from a host system, to:
- check whether a storage cartridge in the storage system is associated with an indication set, in an electronic memory of the storage system, during a configuration operation in the storage system for a partition of the storage system to indicate that write protection is enabled for a plurality of storage cartridges mounted in the partition, wherein the plurality of storage cartridges include the storage cartridge, the electronic memory of the storage system is separate from the storage cartridge, and wherein the checking comprises reading, by the controller, the indication from the electronic memory of the storage system, and
- in response to determining, based on reading the indication from the electronic memory of the storage system, that the write protection is enabled for the plurality of storage cartridges, enable the write protection for the plurality of storage cartridges in the partition, including triggering the write protection for the storage cartridge to prevent writing of data to the storage cartridge if the storage cartridge already contains previously written data.
A controller for a storage system separate from a host system, comprising:
- a processor;
- and
- a non-transitory storage medium storing instructions executable on the processor to:
- check whether a storage cartridge in the storage system is associated with an indication set, in an electronic memory of the storage system, during a configuration operation in the storage system for a partition of the storage system to indicate that write protection is enabled for a plurality of storage cartridges mounted in the partition, wherein the plurality of storage cartridges include the storage cartridge, the electronic memory of the storage system is separate from the storage cartridge, and wherein the checking comprises reading, by the controller, the indication from the electronic memory of the storage system;
- and
- in response to determining, based on reading the indication from the electronic memory of the storage system, that the write protection is enabled for the plurality of storage cartridges, enable the write protection for the plurality of storage cartridges in the partition, including triggering the write protection for the storage cartridge to prevent writing of data to the storage cartridge if the storage cartridge already contains previously written data.
A method of a controller for a storage system separate from a host system, comprising:
- checking, by the controller, whether a storage cartridge in the storage system is associated with an indication set, in an electronic memory of the storage system, during a configuration operation in the storage system for a partition of the storage system to indicate that write protection is enabled for a plurality of storage cartridges mounted in the partition, wherein the plurality of storage cartridges include the storage cartridge, the electronic memory of the storage system is separate from the storage cartridge, and wherein the checking comprises reading, by the controller, the indication from the electronic memory of the storage system;
- and
- in response to determining, based on reading the indication from the electronic memory of the storage system, that the write protection is enabled for the plurality of storage cartridges, enabling, by the controller, the write protection for the plurality of storage cartridges in the partition, including triggering the write protection for the storage cartridge to prevent writing of data to the storage cartridge if the storage cartridge already contains previously written data.
Dependencies are inferred from the claim text.