JBOD (Just a Bunch of Disks)
JBOD stands for "Just a Bunch of Disks" or "Just a Bunch of Drives." It's a storage architecture that groups multiple hard drives into a single enclosure without redundancy or performance enhancements like those found in RAID (Redundant Array of Independent Disks) systems.
Here are some key points about JBOD:
Advantages:
Cost-Effective: JBOD setups are generally cheaper than RAID setups because they don't require additional hardware or software for redundancy.
Scalability: You can easily add more drives to increase storage capacity.
Flexibility: Each drive can be used independently, allowing for more flexible storage solutions.
Disadvantages:
No Redundancy: Unlike RAID, JBOD doesn't provide data redundancy, so if one drive fails, you lose all the data on that drive.
Performance: JBOD doesn't offer the same performance improvements as RAID configurations like RAID 0, which stripes data across multiple drives for faster read/write speeds.
Use Cases:
Backup Storage: JBOD is often used for backup storage where data redundancy is not critical.
Temporary Storage: It can be used temporarily during data migration or archival processes.
Big Data Applications: JBOD can be suitable for applications requiring large amounts of storage without high performance or redundancy.
This is covered in Server+.
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