What is distributed replicated block device (DRDB)?
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Linki: https://en.wikipedia.org/wiki/Distributed_Replicated_Block_Device
Distributed Replicated Block Device (DRBD) is software that mirrors a block device over the network, a dedicated Storage Area Network (SAN).It is used in High Availability (HA) of linux applications and is usually used with Pacemaker clusters.
Latest version has the ability to create Software Defined Storage (SDS)
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