run CHKDSK on a Windows 2000 Server SP4 with card SCSI and HD SCSI, can cause the OS to stop working?

I have a SO windows 2000 server sp4.
I see EVENT VIEWER in the system there are errors on my hard drive, such as:
El dispositivo, \Device\Harddisk0\DR0, tiene un bloque defectuoso.

if, I run CHKDSK on a Windows 2000 Server SP4 with card SCSI and HD SCSI, can cause the OS to stop working?
* I assume that if the CHKDSK fixes the bad sectors, the operating system stops functioning, would happen?
* the run some tool or other similar type CHKDSK can cause a RAID system stops working?
* what steps should I follow to run CHKDSK on W2000 server (currently have AD, DNS, DHCP ,..)?

thanks for you help.
A.
arnaldopAsked:
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johnb6767Connect With a Mentor Commented:
I would look at imaging a complete backup, and be ready to restore it to another drive/array....

Basically, if you have some system files in a block thats marked as bad, Windows should have moved the data and marked that block so it wouldnt be used. But, as soon as you do a chjekdsk, and windows starts trying to fix the drive, things can easily go from bad to worse....... Please dont run it until you have a good verified backup, or an image you can restore to.....
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