SATA drive runs very slow in server with SAS.

SAS and SATA are using the same power and data slot. SAS HDD cannot be detected if you plug the SATA cable, but SATA can be detected fine when you plug SAS cable. I haven’t put any though about it until when I installed database on the SATA drive that was plugged to SAS cable. when I imported the data to the database it took all night long to finish then what normally only 30 minutes.

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delayed write failed

i got this error when:

– i remove the removable disk when something in writing to the disk.

– i have bad harddisk.

– i somehow have problem with write caching of my harddisk, like sudden power loss, hung, etc…

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