Внезапно NTFS Dedup

Jul. 22nd, 2017 09:44 am
scif_yar: (Default)
[personal profile] scif_yar posting in [community profile] ru_sysadmins
KB4025334 prevents a critical data corruption issue with NTFS sparse files in Windows Server 2016. This helps avoid data corruptions that may occur when using Data Deduplication in Windows Server 2016, although all applications and Windows components that use sparse files on NTFS benefit from applying this update. Installation of this KB helps avoid any new or further corruptions for Data Deduplication users on Windows Server 2016. This does not help recover existing corruptions that may have already happened. This is because NTFS incorrectly removes in-use clusters from the file and there is no ability to identify what clusters were incorrectly removed after the fact. Although KB4025334 is an optional update, we strongly recommend that all NTFS users, especially those using Data Deduplication, install this update as soon as possible. This fix will become mandatory in the “Patch Tuesday” release for August 2017.

For Data Deduplication users, this data corruption is particularly hard to notice as it is a so called “silent” corruption – it cannot be detected by the weekly Dedup integrity scrubbing job. Therefore, KB4025334 also includes an update to chkdsk to help identify which files are corrupted.

https://blogs.technet.microsoft.com/filecab/2017/07/20/windows-server-2016-ntfs-sparse-filedata-deduplication-users-please-install-kb4025334/

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Jul. 16th, 2017 06:11 am
kodak2004: (Default)
[personal profile] kodak2004
Базовые вещи на грани банальности, но тем не менее.

http://reason.com/archives/2017/07/16/we-are-the-economy-they-want-to-regulate

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