On Mittwoch 17 Dezember 2008, Grant wrote: > I'm about to buy a couple Samsung Spinpoint F1 hard drives and I was > planning on setting them up in a RAID0 array. Everyone seems to love > RAID1 though, and I'm a little confused as to why. Don't daily > backups secure 99% of the data that RAID1 does? They even protect in > the event of theft or fire which RAID1 doesn't.
raid does not replace backups. > > If one hard drive dies in a RAID1 array, does the system keep running? yes, and that is whay raid1 (with two disks) is a good idea. > If so, that's good, but there are so many other components that could > die. In 15 years I've lost the power supply, video card, modem, > motherboard, and CPU, but never a hard drive. With all these > potential points of failure, how much greater system reliability do > mirrored hard drives really offer? I had a PSU killing two mobos - and I had half a douzend harddisk failures in 12 PC years. Everything else never died. Even the PSUs going bad did it so slowly that there was enough of time to get a replacement. Harddisks sucks - Raid1,5,6 make the sucking less painfull.
