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Updated FAQ (markdown)

Chris Lu 2019-04-08 23:44:40 -07:00
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FAQ.md

@ -8,6 +8,23 @@ SeaweedFS has web dashboards for its different services:
Also see [#275](https://github.com/chrislusf/seaweedfs/issues/275).
### How to configure volumes larger than 30GB?
Before 1.29, the maximum volume size is limited to 30GB. However, with recent larger disks, one 8TB hard drive can hold 200+ volumes. The large amount of volumes introduces unnecessary work load for master.
Since 1.29, there are separate builds, with `_large_disk` in the file names:
* darwin_amd64_large_disk.tar.gz
* linux_amd64_large_disk.tar.gz
* windows_amd64_large_disk.zip
These builds are not compatible with normal 30GB versions. The `large disk` version uses 17 bytes for each file entry, while previously each file entry needs 16 bytes.
To upgrade to `large disk` version,
* remove `*.idx` files
* use the large-disk version, run `weed fix` to re-generate the `*.idx` files
* start master with a larger volume size limit
* start volume servers, with reasonable maximum number of volumes
### Why my 010 replicated volume files have different size?
The volumes are consistent, but not necessarily the same size or the same number of files. This could be due to these reasons: