On 12.10.2011 21:07, Vivek Goyal wrote: > On Wed, Oct 12, 2011 at 11:22:34AM +0200, Harald Hoyer wrote: >> On 12.10.2011 11:03, Dave Young wrote: >>> On 10/01/2011 03:03 AM, Vivek Goyal wrote: >>> >>>> On Fri, Sep 30, 2011 at 02:38:39PM -0400, Vivek Goyal wrote: >>>>> On Fri, Sep 30, 2011 at 11:40:12AM +0800, Dave Young wrote: >>>>> >>>>> [..] >>>>>> >>>>>> Add lvm_scan in mount-sys.sh also works, so if we can make lvm_scan >>>>>> being called automaticlly via dependencies it will be good. OTOH fstab >>>>>> is better than cmdlines as an interface for multi-target dumping >>>>> >>>>> Agreed that fstab.sys looks like a good interface to mouting non-root devices. >>>> >>>> Having said that, looks like dracut builds all the state using command >>>> line options. All the lvms, iscsi root, fcoe targets etc. So they might >>>> expect everything to be passed on command line. In that case it will >>>> become hard from kdump perspective. >>> >>> >>> There's file injection feature in dracut, if the kdump.conf params can >>> move to cmdline params we can just inject /etc/cmdline instead of pass >>> them to kexec >>> >> >> I will add /etc/cmdline.d/ as a drop in for configs. This can also be used >> easily for combined initramfs images. > > Harald, > > We need something so that we can specify top level block device/uuid/label > on either commandline or through /etc/cmdline.d/*.config and then dracut > automatically figures out all the dependencies and packs all the relevant > modules. > > For example, one might say in kdump.conf that save the dump to a file > system with UUID=xyz. Now one needs to figure out underlying devices, > traverse through device stack, bring up associated networking and > traverse through networking stack. > > I see in dracut seems to look for root device, and traverses through > block device stack and every modules packs its relevant files if > that type of device is found in stack. > > So something like "extra_mount=dev/uuid/label" kind of command line > will help where one can specify extra mount targets which are mounted. > > Thanks > Vivek dracut only does this in hostonly mode... I guess, you will need hostonly, too, to reduce the site of the initramfs. -- To unsubscribe from this list: send the line "unsubscribe initramfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
