16 lines
820 B
Markdown
16 lines
820 B
Markdown
# Letter from Visa regarding service disruption, 15 June 2018
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- **期号**: SRE Weekly Issue #127（2018-06-24）
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- **作者**: Visa
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- **链接**: https://www.parliament.uk/documents/commons-committees/treasury/Correspondence/2017-19/visa-response-150618.pdf
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## 简介
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Visa wrote a letter to the Chair of the Treasury Committee of the UK House of Commons, explaining their outage from a few weeks ago and answering the questions they posed. The good bits are in the first few pages, and the question answers mostly reiterate them. The last question about steps to prevent recurrence has some additional detail.
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> […] a component within a switch in our primary data centre suffered a very rare partial failure which prevented the backup switch from activating.
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## 正文
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> ⚠️ 抓取失败：non-html resource
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