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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.
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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...
Read More »Disabling Intellipark on the WD15EARS
I just got two Western Digital 1.5TB WD15EARS disks. This drive has a feature called intellipark, which parks the head after the disk is not used for a while. This is supposedly a power saving feature. But, as someone explains, it can also severely decrease the lifetime of your drive.
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