Hi Roberto, op 29-08-14 22:44, Roberto Spadim schreef: > i use two or more boot disks, if the first raid1 disk don't boot bios > go to second boot disk, third, etc etc, In my opinion this only works when the boot-disk is completely defect or removed. Not when the data in the MBR on that boot-disk is corrupt. Or did you test this, or do you have other reasons to believe that your bios will handle this correct? With the boot-disk I mean the disk what's in the bios the first disk. So this could also be the second raid1 disk. Or an USB stick. > you must write grub to mbr of each disk Of course. With regards, Paul van der Vlis. > i'm using dell server r410 if i'm not wrong > > 2014-08-29 17:31 GMT-03:00 Paul van der Vlis <paul@xxxxxxxxxxxxx>: >> Hello, >> >> I like mdadm and I am using it many years. But in my opinion it has one >> disadvantage: when the MBR of the boot-disk is corrupt, the machine will >> not boot. >> >> A bios could check this. Wait for some kind of signal from Grub or >> Linux, and after a timeout boot from another disk. But I don't know >> about a bios with that feature. >> >> A PCIe card could do something like that, but I don't know about such a >> PCIe card. >> >> Is there such hardware? >> What do you do to avoid this problem? >> >> With regards, >> Paul van der Vlis. >> >> >> >> >> -- >> Paul van der Vlis Linux systeembeheer, Groningen >> http://www.vandervlis.nl/ >> >> -- >> 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 > > > -- Paul van der Vlis Linux systeembeheer, Groningen http://www.vandervlis.nl/ -- 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
