Hi Neale,
On 05/16/2013 04:59 PM, Neale Ferguson wrote:
I used system-config-lvm to remove a lv “vg_rh62gfs/vg_swap”. It appeared to go
ok and after zipling I rebooted only to get:
dracut: Scanning devices dasda1 dasdb1 dasdc1 for LVM logical volumes
vg_rh62gfs/lv_root vg_rh62gfs/lv_swap
dracut: Skipping clustered volume group vg_snatest
dracut: Skipping volume group vg_snatest
dracut: inactive '/dev/vg_rh62gfs/lv_boot' [500.00 MiB] inherit
dracut: inactive '/dev/vg_rh62gfs/lv_root' [2.12 GiB] inherit
dracut: inactive '/dev/vg_rh62gfs/opt' [488.00 MiB] inherit
dracut: One or more specified logical volume(s) not found.
dracut: Scanning devices dasda1 dasdb1 dasdc1 for LVM logical volumes
vg_rh62gfs/lv_root vg_rh62gfs/lv_swap
I mounted the volumes on another system and did a scan to find where
vg_swap was still specified. I couldn’t find any reference so I’m not
sure why dracut wants to find it.
Do you happen to have this in your kernel command line?:
rd_LVM_LV=vg_rh62gfs/lv_swap
One should only ever have dependencies for the root-fs on the dracut
command line [1,2]. Swap does not belong to the root-fs dependencies;
swap is only activated later on during the sysVinit process after the
root-fs was already mounted by the initramfs.
Also, it might make dracut insist on finding and activating this
particular LV and thus breaks when it's gone.
[1] https://www.kernel.org/pub/linux/utils/boot/dracut/dracut.html#_lvm
[2]
https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Installation_Guide/ap-s390info.html#ap-s390info-Adding_DASDs-Persistently_setting_online-Part_of_root_file_system
HTH
Steffen
Linux on System z Development
IBM Deutschland Research & Development GmbH
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Geschäftsführung: Dirk Wittkopp
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