On Tue, Oct 01, 2002 at 11:52:04PM +0800, [EMAIL PROTECTED] wrote: > -=XXX=--=XXX=--=XXX=--=XXX=--=XXX=--=XXX=--=XXX=--=XXX=--=XXX=--=XXX=--=XXX=--=XXX=-
Argh... can you drop this border thingie? (And maybe you can drop the "dilbert" from the subject line, so we can keep that as concise as possible). > Do you know what's the difference between using a RAID controller > compared to a SCSCI controller? do both have the same functionality? Err, no. A SCSI controller is an interface between your SCSI drives and your computer. You could perhaps compare it with an IDE controller that interfaces between IDE drives and your computer. There are SCSI and IDE RAID controllers. A RAID controller basically handles management of multiple drives in some RAID level configuration. A real hardware RAID controller has a processor as well to handle computation for the likes of RAID5. A number of "hardware IDE RAID controllers" (like Promise, I think) don't actually have a processor so they offload this work to the CPU. > Would using a RAID controller on 2 IDE drives, be better compared to > one w/o a RAID controller? On 2 drives in RAID1 or RAID0 it shouldn't matter that significantly whether you're using a hardware RAID controller or are doing RAID via a software solution. You actually don't need a RAID controller. You can use your standard SCSI or IDE controller and use the software RAID functionality of the Linux kernel. The impact on performance is normally significant with the calculations done for RAID5, and you don't do RAID5 with 2 drives. For more information on RAID levels and to read the different flamewars we've had on the list about IDE vs SCSI please use our archives[1]. [1] http://marc.free.net.ph --> Jijo -- Federico Sevilla III : http://jijo.free.net.ph Network Administrator : The Leather Collection, Inc. GnuPG Key ID : 0x93B746BE _ Philippine Linux Users Group. Web site and archives at http://plug.linux.org.ph To leave: send "unsubscribe" in the body to [EMAIL PROTECTED] Fully Searchable Archives With Friendly Web Interface at http://marc.free.net.ph To subscribe to the Linux Newbies' List: send "subscribe" in the body to [EMAIL PROTECTED]
