wok-current diff drbd-utils/description.txt @ rev 25444
Up firefox-official (104.0)
author | Pascal Bellard <pascal.bellard@slitaz.org> |
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date | Sun Sep 04 18:56:05 2022 +0000 (2022-09-04) |
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1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/drbd-utils/description.txt Sun Sep 04 18:56:05 2022 +0000 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.