Raid auto-assembly on LDM?
in [Kernel]
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From: Neil Brown on 19 Jun 2008 00:30 On Sunday June 15, ml_linuxkernel_20060528(a)kcore.org wrote: > Hello folks, > > I'm trying something which is probably slightly crazy, but I can't get it to work. > > What I'm trying is to get the linux kernel to auto-assembly my raid-1 sets, > which are based on volumes on two LDM disks. > > The problem is that the kernel looks for partitiontypes of 0xfd, which I can't > set (or haven't found yet how to set) for LDM volumes. The assembly fails, and > the kernel panics. Sorry, acronym failure: What is LDM?? > > Another possibility would be to use an initrd/initramfs, but then I'm once again > stuck with a disk that is not in raid, and ergo a point of failure when the disk > might crash. I don't understand your conclusion. The initrd/initramfs is stored where ever your kernel is stored. If storing an initrd introduces a single point of failure, then storing your Linux kernel will too. Confused. NeilBrown > > (The reason to use LDM is that this way I also can put the other OS on the disk > in mirror.) > > Does anyone have any other ideas? I've searched the web, but noone really seems > inclined to do it this way... > > Kind regards, > > Jan > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo(a)vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Jan Engelhardt on 19 Jun 2008 02:30 On Thursday 2008-06-19 06:29, Neil Brown wrote: >On Sunday June 15, ml_linuxkernel_20060528(a)kcore.org wrote: >> Hello folks, >> >> I'm trying something which is probably slightly crazy, but I can't get it to work. >> >> What I'm trying is to get the linux kernel to auto-assembly my raid-1 sets, >> which are based on volumes on two LDM disks. >> >> The problem is that the kernel looks for partitiontypes of 0xfd, which I can't >> set (or haven't found yet how to set) for LDM volumes. The assembly fails, and >> the kernel panics. > >Sorry, acronym failure: What is LDM?? Logical Device Manager... that Windows thing (CONFIG_LDM_PARTITION) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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