> Greetings, > I need to build a file server for our marketing departments documents > and images. I want to use Freebsd. Since the data is large, and > backups would be difficult I was wondering if RAID would be a solution. > > I thought that RAID 5 would be the ticket, but after reading up on it, > maybe not. > > Isn't RAID 5 the one where if a disk fails, you plug a new one it and it > regenerates the lost data ? > It does that through the use of some checksum data that's spread across the disks. Reads on raid 5 can be significantly faster than single disk because data is striped across multiple disks, but writes don't get as much of a boost because for every write, there are several operations, including the recalculation of a checksum, and the writing of both the checksum and data, then a re-reading of them. Writes are usually faster than single disk writes, but the gain is not nearly as much as with reads.
Ken _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"