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Testing SSD Drives with DRBD: Intel DC 3700 Series
Over the next few weeks we’ll be posting results from tests that we’ve run against various manufactures SSD drives; including Intel, SanDisk, and Micron, to name a few. The first post in this series...
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Maximum volume size on DRBD
From time to time we get asked things like this: I want to use a 10TiB volume with DRBD, is that supported”? The easiest way to answer things like that is to say look for yourself on the public DRBD...
View ArticleDRBD causes too much CPU-load
The TL;DR version: don’t use data-integrity-alg in a production setup. The users guide (8.3 version) describes the data-integrity-alg as DRBD can ensure the data integrity of the user’s data on the...
View ArticleIncrease vm.min_free_kbytes for better OOM resistance
Depending on your setup and your workload (eg. within a virtual machine with little memory and much I/O) you could get into the situation that the kernel has little memory left, so wants to write some...
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