You forgot to </delurk> :) Happy Holidays Tom Callahan -----Original Message----- From: Tobias Hofmann [mailto:tobias.hofmann@xxxxxxxxxxxxxxxxxxxx] Sent: Thursday, December 15, 2005 4:32 PM To: Brad Campbell Cc: Callahan, Tom; 'Andargor The Wise'; linux-raid@xxxxxxxxxxxxxxx Subject: Re: First RAID Setup <delurk> On 15.12.2005 21:46, Brad Campbell wrote: > Callahan, Tom wrote: > >> It is always wise to build in a spare however, that being said about all >> raid levels. In your configuration, if a disk fails in your RAID5, your >> array will go down. RAID5 is usually 3+ disks, with a mirror. So you >> should >> have 3 disks at minimum, and then a 4th as a spare. > > /me wonders in the days of reliable RAID-6 why we use RAID-5 + spare? Me too. ;) So, with holidays ahead, two questions (as I might tackle that soon and have not found it mentioned): - How would one "switch" from the latter to the former? Is there something like "grow_to_RAID_6"? - Does RAID6 have disadvantages wrt write speed? TIA for any comments, greets, tobi... :) - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
