wok-current diff drbd-utils/description.txt @ rev 25124
updated apache-mod-perl (2.0.8 -> 2.0.11)
author | Hans-G?nter Theisgen |
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date | Tue Jun 28 16:23:55 2022 +0100 (2022-06-28) |
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1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/drbd-utils/description.txt Tue Jun 28 16:23:55 2022 +0100 1.3 @@ -0,0 +1,16 @@ 1.4 +DRBD is a software-based, shared-nothing, replicated storage solution 1.5 +mirroring the content of block devices (hard disks, partitions, logical 1.6 +volumes etc.) between hosts. 1.7 + 1.8 +DRBD mirrors data 1.9 + 1.10 +* in real time. Replication occurs continuously while applications 1.11 + modify the data on the device. 1.12 +* transparently. Applications need not be aware that the data is stored 1.13 + on multiple hosts. 1.14 +* synchronously or asynchronously. With synchronous mirroring, 1.15 + applications are notified of write completions after the writes have 1.16 + been carried out on all (connected) hosts. With asynchronous mirroring, 1.17 + applications are notified of write completions when the writes have 1.18 + completed locally, which usually is before they have propagated to the 1.19 + other hosts.