"The lesson is if write back cache is turned on, it is not difficult to create metadata inconsistency or corruption at the file system upon power failure. Using existing RAID solutions with write back cache turned on may lead to irrecoverable data corruption of the file system."

Linux
ATA

yyamano のブックマーク 2008/01/09 15:55

<blockquote class="hatena-bookmark-comment"><a class="comment-info" href="https://b.hatena.ne.jp/entry/7033499/comment/yyamano" data-user-id="yyamano" data-entry-url="https://b.hatena.ne.jp/entry/sr5tech.com/write_back_cache_experiments.htm" data-original-href="http://sr5tech.com/write_back_cache_experiments.htm" data-entry-favicon="https://cdn-ak2.favicon.st-hatena.com/64?url=http%3A%2F%2Fsr5tech.com%2Fwrite_back_cache_experiments.htm" data-user-icon="/users/yyamano/profile.png">sr5tech.com</a><ul class="comment-tag" style="list-style: none; margin: 0px;"><li style="float: left">[<a href="https://b.hatena.ne.jp/q/Linux">Linux</a>]</li><li style="float: left">[<a href="https://b.hatena.ne.jp/q/ATA">ATA</a>]</li></ul><br><p style="clear: left">&quot;The lesson is if write back cache is turned on, it is not difficult to create metadata inconsistency or corruption at the file system upon power failure. Using existing RAID solutions with write back cache turned on may lead to irrecoverable data corruption of the file system.&quot;</p><a class="datetime" href="https://b.hatena.ne.jp/yyamano/20080109#bookmark-7033499"><span class="datetime-body">2008/01/09 15:55</span></a></blockquote><script src="https://b.st-hatena.com/js/comment-widget.js" charset="utf-8" async></script>

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