On Sat, 16 May 2009 13:33:04 +0200 Maximilian Bräutigam <max-br...@gmx.de> wrote:
> could you please tell me, where to find these options in menuconfig, > because if i'm compiling my kernel i use: > genkernel --menuconfig all > > if you are thinking of the options in > http://www.gentoo.org/doc/en/gentoo-x86+raid+lvm2-quickinstall.xml > -- these are enabled. Yes, I mean these options as well, but in recent kernels there's one more flag in "Multi-dev" section that's missing in the guide: "Autodetect RAID arrays during kernel boot". Obviously, it should be set if you want to boot from mdraid. Device Drivers ---> [*] Multiple devices driver support (RAID and LVM) ---> <*> RAID support [*] Autodetect RAID arrays during kernel boot <*> RAID-1 (mirroring) mode But that's not all the prequesites, since you also need a device and fs driver compiled in. It might look like this (but the hardware and/or fs is probably different in your case): Device Drivers ---> SCSI device support ---> (RAID settings here is not for sw raid) -*- SCSI device support <*> SCSI disk support <*> Serial ATA (prod) and Parallel ATA (experimental) drivers ---> <*> AHCI SATA support [*] ATA SFF support <*> Intel ESB, ICH, PIIX3, PIIX4 PATA/SATA support File systems ---> <*> The Extended 4 (ext4) filesystem > by the way, if i'm booting w/o the initrd, i get a kernel panic because > he is not able to mount/find the raid system -- something with > "superblock not found". -- Mike Kazantsev // fraggod.net
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