> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Pete McNeil > Sent: 16. marts 2005 17:43 > > Writing data to a raid 5 takes x+y+z amount of work where y > is described above and z is calculating a CRC stripe which > must now also be saved to a hard drive.
And from my understanding, calculating the CRC requires knowing both the data in the sector overwritten and the previous CRC data, and thus 2 reads. So thats 2 reads, and 2 writes to write a single block of data. Regards, Kaj This E-Mail came from the Message Sniffer mailing list. For information and (un)subscription instructions go to http://www.sortmonster.com/MessageSniffer/Help/Help.html
