[CentOS] Strangely slow disk

Sun Dec 4 21:25:13 UTC 2011
Timothy Murphy <gayleard at eircom.net>

Ho Chaw Ming wrote:

> I have a 1.5TB Western Digital hard disk (WD15EADS-00R6B0) on my
> CentOS-5.7 server, which has become incredibly slow for some operations,
> eg rsync, BackupPC archive, e2fsck, although it seems to work fine for
> ordinary file operations, and "smartctl -a /dev/sdb" does not report any
> errors.

> Check your bios, and make sure that you did not have IDE mode enabled and
> AHCI is selected .

Thanks for your response, and for the others received.

But I should have pointed out that the slow operation 
has only started recently, in the last week or so,
after working normally since I acquired the disk a year or so ago.



-- 
Timothy Murphy  
e-mail: gayleard /at/ eircom.net
tel: +353-86-2336090, +353-1-2842366
s-mail: School of Mathematics, Trinity College Dublin