[CentOS] cyrus spool on btrfs?

hw hw at gc-24.de
Sat Sep 9 16:47:38 UTC 2017


John R Pierce wrote:

>> And one may want to adjust stripe size to be resembling SSDs
>> internals, as default is for hard drives, right?
>
> as the SSD physical data blocks have no visible relation to logical block numbers or CHS, its not practical to do this. I'd use a fairly large stripe size, like 1MB, so more data can be sequentially written to the same device (even tho the device will scramble it all over as it sees fit).

Isn´t it easier for SSDs to write small chunks of data at a time?
The small chunk might fit into some free space more easily than
a large one which needs to be spread out all over the place.



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