> Uh, as far as I know, RAID 5 is faster than RAID 1, since it can distribute the write > packets on multiple hard disks at once, while RAID 1 (with Hardware RAID) is just as > fast as writing to a single non-RAID-disk. Isn't that correct?
GEES! On RAID5, the RAID controller, whether hardware or software, must a) determine which chunk of data goes to which drive and send that data to the drive and b) create the parity chunk and send that data to the correct drive to be written. So, it does 4 operations: 1. Sends 50% data to drive1. 2. Sends 50% data to drive2. 3. Calculates and creates parity chunk. 4. Sends parity chunk to drive3. On RAID1, the RAID controller, whether hardware or software, sends the data to both drives. So, in RAID1, there are 2 operations: 1. Sends the data to drive1. 2. Sends the data to drive2. READING is a different story, but that is not the topic of discussion hear. John Tolmachoff Engineer/Consultant/Owner eServices For You To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
