Calyth said: > I'm no expert comparing to the other people here who've experimented the > whole thing out, but I'd think that you might want to get at least 3 IDE > drives and set up RAID 5 instead. > Say you got 3 20GB HDs, RAID 1 (mirroring) would only give you 20GB of > space, while RAID 5 would provide more, yet still be able to make sure > that if one of the drive fails, you can still run with the data on the > other two drives and not be missing anything. I'm fairly sure that most > high end server at least uses some form of RAID 5 because of its > advantages. Others already raised a good point. Does data integrity means > no > downtime or no data loss. If they meant no downtime, then your task is > much, much harder.
another option that I like is raid1 with a hot spare. LILO in woody and I think grub cannot boot from a software raid 5 device(somehow SuSE 7.3 at least and up can boot from software raid 5). So on some systems I have built I setup the raid with 3 disks, raid 1+hot spare. So if you were to lose any data due to a disk failure, all of your disks would have to fail! :) back when I was researching on software raid 5 I found several references to LILO/grub only being able to boot from software raid 1, no idea how SuSE manages it, haven't tried software raid in redhat. In my qwest I did not see any patches or mention of booting on a software raid 5 device..(this was back in ~6/02) of course setting up your root partition on software raid on debian isn't the most easy thing in the world, but it is possible. nate -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
