# Is this documentation correct

**URL:** <https://forum.rclone.org/t/is-this-documentation-correct/19376>\
**Category:** Site Feedback\
**Created:** [September 26, 2020, 9:49pm UTC](https://forum.rclone.org/t/is-this-documentation-correct/19376 "2020-09-26T21:49:20Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![asdffdsa](https://forum.rclone.org/letter_avatar_proxy/v4/letter/a/848f3c/32.png) [@asdffdsa](https://forum.rclone.org/u/asdffdsa)\
**Post date:** [September 26, 2020, 9:49pm UTC](https://forum.rclone.org/t/is-this-documentation-correct/19376/1 "2020-09-26T21:49:20Z")

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thanks for the ever improving documentation.

[https://rclone.org/commands/rclone\_mount/](https://rclone.org/commands/rclone_mount/)  
`Chunked reading will only work with --vfs-cache-mode < full, as the file will always be copied to the vfs cache before opening with --vfs-cache-mode full.`

i thought that starting with v1.53.0, using sparse files, that for `--vfs-cache-mode=full`,

- the file is `not` copied to the vfs cache before opening
- that chunking works.

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**Author:** ![ncw](https://forum.rclone.org/user_avatar/forum.rclone.org/ncw/32/18_2.png) [@ncw](https://forum.rclone.org/u/ncw)\
**Post date:** [September 27, 2020, 10:06am UTC](https://forum.rclone.org/t/is-this-documentation-correct/19376/2 "2020-09-27T10:06:39Z")

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That documentation is incorrect.

I've fixed it up now - thanks for pointing it out. The fix will go live when v1.53.2 is released.

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**Author:** ![system](https://forum.rclone.org/uploads/default/original/2X/3/39ad3235f6ffec76ccd0c81616bd55697b4c300d.png) [@system](https://forum.rclone.org/u/system)\
**Post date:** [November 27, 2020, 6:06am UTC](https://forum.rclone.org/t/is-this-documentation-correct/19376/3 "2020-11-27T06:06:44Z")

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Closed on November 27, 2020, 6:06am UTC

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