On 01/09/2013 06:09 PM, Can Jeuleers wrote: > Hi, > > Over the years I've had various problems with the degree to which the > adding of spares on boot is automatic. There have been times when this > has just worked, and other times (such as now) where it only works very > occasionally (or not at all). Google is full of stories like this. > > I have no clue why it's not working automatically, I just know that it > isn't. > > So I wrote a little script that automates this, and hooked it up to > mdmon as an event handler. > > It can probably do with an elegance upgrade, but it works for me. > > HTH, Jan Here is sample output of the script, which it mails to root: The UUID of component devices is 442e9934:97191d8e:6d0cf7a9:41621837 (442e9934-9719-1d8e-6d0c-f7a941621837) Device /dev/sdb2 is already a member of the array Device /dev/sdd2 is already a member of the array Found device /dev/sde3 with the same UUID but not yet a component device. mdadm: re-added /dev/sde3 It's a great shame that there does not appear to be a standard format for representing UUIDs: mdadm uses an 8:8:8:8 format, whereas blkid wants an 8-4-4-4-12 format. Hence the conversion shenanigans in the script. Makes the code brittle. Cheers, Jan -- 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
