> On 03/02/2013 09:07 AM, Roy Sigurd Karlsbakk wrote: > >> While expanding an existing raid is as simple as mdadm --add, > >> followed > >> by an mdadm --grow, How would you go about this when expanding it > >> with > >> multiple devices. > > > > Given a RAID-5 on /dev/sd[bcde], I'd do > > > > # mdadm --add /dev/md0 /dev/sd[fghi] > > # mdadm --grow --level=6 --raid-devices=8 > > > > No need to create a new RAID and then move the data. > > You missed the bit where he states he needs to use mkfs to switch > filesystem features. Oh, sorry. Then why not start off with an identical RAID-5, move the data, and then expand as above? No dangling "missing" drives, just plain and simple. Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 98013356 roy@xxxxxxxxxxxxx http://blogg.karlsbakk.net/ GPG Public key: http://karlsbakk.net/roysigurdkarlsbakk.pubkey.txt -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av idiomer med xenotyp etymologi. I de fleste tilfeller eksisterer adekvate og relevante synonymer på norsk. -- 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
