2-5% ? With current hdd size (ie, 8TB), 2% is about 160GB. I don't have disks with that size, but only 2 or 4TB. Are hundreds of GB needed ? Why not 100MB ? 2017-11-29 19:28 GMT+01:00 Reindl Harald <h.reindl@xxxxxxxxxxxxx>: > > > Am 29.11.2017 um 18:38 schrieb Gandalf Corvotempesta: >> >> 2017-11-29 17:44 GMT+01:00 Reindl Harald <h.reindl@xxxxxxxxxxxxx>: >>> >>> * leave some space free in case a replacement disk has >>> a slighty different usebale size - some SSD's do >>> this instead overprovisioning for wear leveling >> >> >> Good reason. >> How much space would you reserve ? 100MB? 1GB ? > > > if i would be in the position without create arrays from scratch these das i > would leave 2-5% of the disks for overprovisioning instead only 20 MB as i > did in 2011 because i am about to replace with SSD which i did not consider > that days -- 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
