# Version 7.1.1 Amazing thing. Director become file After a power failure

**URL:** https://discuss.elastic.co/t/version-7-1-1-amazing-thing-director-become-file-after-a-power-failure/205990
**Category:** Elasticsearch
**Created:** [October 31, 2019, 6:59am UTC](https://discuss.elastic.co/t/version-7-1-1-amazing-thing-director-become-file-after-a-power-failure/205990 "2019-10-31T06:59:38Z")
**Posts on this page:** 1
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### Author: ![DavidTurner](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/davidturner/32/22453_2.png) [@DavidTurner](https://discuss.elastic.co/u/DavidTurner)
#### Post date: [October 31, 2019, 7:28am UTC](https://discuss.elastic.co/t/version-7-1-1-amazing-thing-director-become-file-after-a-power-failure/205990/2 "2019-10-31T07:28:02Z")

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As discussed here, your disks have a volatile write cache that loses (and apparently corrupts) data on a power loss:

> [@Version 7.1.1 Corrupted translog After a power failure](https://discuss.elastic.co/t/version-7-1-1-corrupted-translog-after-a-power-failure/205968/12):
>
> No, this does not indicate a problem in Elasticsearch or elsewhere. It indicates that your disks have a volatile write cache that loses data on a power loss.

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