# Tag: disk

## Broken disk went undetected, but did corrupt data

I had a disk in one of my servers that was starting to give ATA errors in the syslog. Contrary to what you might think, ATA errors are fairly common, so I didn't immediately sound the alarm. However, this disk turned out to be corrupting data. During upgrading Debian 6 to 7, the file system became read-only. Rebooting gave me a recovery shell and e2fsck gave me millions of questions. Read More »

## Seek time benchmark for linux

This site provided a nice short c program to measure seek times. I would attach the file in case that site goes down, but this blog still has upload errors...

 sync; echo 3 > /proc/sys/vm/drop_caches  Read More »