The company also found that servers running Intel drives were unaffected by this issue. ![]() For larger files, the net result is corrupted data, while smaller files can be overwritten entirely.Īlgolia ruled out other causes for the corruption by carrying out a thorough investigation of several other layers in their service’s stack, including Linux’s RAID implementation, kernel, and filesystem. This TRIM bug can cause affected drives to zero out 512-byte blocks of data in incorrect, seemingly random locations. Ultimately, Algolia narrowed down the problem to an apparent bug in the TRIM implementation used in Samsung drives. ![]() An engineer from search provider Algolia has written up a blog post detailing his team’s saga of troubleshooting data corruption in some of their servers. A new bug may be present in the firmware of some Samsung SSDs.
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