Don't shout at your JBOD's!

December 8, 2012
JBOD is computer storage acronym for "Just a Bunch Of Disks" which basically means you've taken a bunch of hard drives and combined their storage space to make one large volume of storage.  Unlike RAID (redundant array of independent disks) and other fault tolerant methods of combining the storage of multiple disks to make a single large usable storage "disk", a JBOD array of drives simply provides the combined storage of all your drives without any fault tolerance.  If a drive in a JBOD fails, anything stored on it is lost but the rest of the files stored on the other drives remain intact, whereas in most RAID or other fault tolerant configurations a single drive failure typically will not result in the loss of any data as the drive can be rebuilt and the RAID controller (hardware or software) can rebuild the data on that drive from the redundantly stored information on the other drives.

Shouting in the Datacenter

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