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? RAID-6 has saved me twice now from dual drive failures on a 15 disk array. It's schweeeeeeeeeett Regards, Brad -- "Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so." -- Douglas Adams - 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
