В Fri, 06 Sep 2013 21:28:39 -0700 Mike Power <[email protected]> пишет:
> I am trying to reinstall grub on my system. Grub was installed before > but I have had hard drive troubles, so one of the drives does not have > grub on it. I have a lvm on top of a mirror raid. > > > I run the following command > > $sudo grub-install /dev/sda > [sudo] password for mpower: > /usr/sbin/grub-setup: warn: Your embedding area is unusually small. > core.img won't fit in it.. > /usr/sbin/grub-setup: error: embedding is not possible, but this is > required when the root device is on a RAID array or LVM volume. > > This seems odd since it has grub on it. I really should have tried sdb > first. But none the less if I look at sda it has 62 unused sectors on > the front. From what I have read that is the right amount bor@opensuse:~> grub2-mkimage -O i386-pc -o /tmp/core.img ext2 mdraid1x lvm search_fs_uuid bor@opensuse:~> LC_ALL=C ll /tmp/core.img -rw-r--r-- 1 bor bor 32099 Sep 7 11:32 /tmp/core.img That exceeds 31KiB (31744B). > > $ sudo fdisk -l /dev/sda > > Disk /dev/sda: 500.1 GB, 500107862016 bytes > 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors > Units = sectors of 1 * 512 = 512 bytes > Sector size (logical/physical): 512 bytes / 512 bytes > I/O size (minimum/optimal): 512 bytes / 512 bytes > Disk identifier: 0x00018e76 > > Device Boot Start End Blocks Id System > /dev/sda1 63 976768064 488384001 fd Linux raid > autodetect > > Any idea what broke? > > Some additional info: > > $ sudo pvdisplay > --- Physical volume --- > PV Name /dev/md0 > VG Name vg > PV Size 465.76 GiB / not usable 888.00 KiB > Allocatable yes (but full) > PE Size 4.00 MiB > Total PE 119234 > Free PE 0 > Allocated PE 119234 > PV UUID wS9qYc-jWkT-FR3Z-bi0H-cY8I-wLS6-2Z1dPl > > $ sudo vgdisplay > --- Volume group --- > VG Name vg > System ID > Format lvm2 > Metadata Areas 1 > Metadata Sequence No 3 > VG Access read/write > VG Status resizable > MAX LV 0 > Cur LV 2 > Open LV 2 > Max PV 0 > Cur PV 1 > Act PV 1 > VG Size 465.76 GiB > PE Size 4.00 MiB > Total PE 119234 > Alloc PE / Size 119234 / 465.76 GiB > Free PE / Size 0 / 0 > VG UUID QwDeNr-aQvO-5uYv-ImDP-C8eJ-uKyi-ZHYWtk > > $ sudo lvdisplay > --- Logical volume --- > LV Name /dev/vg/swap_1 > VG Name vg > LV UUID hxn1wt-EcJP-8rfO-3lCc-X3OM-gG3f-uuR3WK > LV Write Access read/write > LV Status available > # open 2 > LV Size 7.45 GiB > Current LE 1907 > Segments 1 > Allocation inherit > Read ahead sectors auto > - currently set to 256 > Block device 253:0 > > --- Logical volume --- > LV Name /dev/vg/root > VG Name vg > LV UUID tjmJkA-njlJ-VuDz-mBvY-5hpB-bsMD-ftKMXP > LV Write Access read/write > LV Status available > # open 1 > LV Size 458.31 GiB > Current LE 117327 > Segments 1 > Allocation inherit > Read ahead sectors auto > - currently set to 256 > Block device 253:1 > > $ sudo mdadm -D /dev/md0 > /dev/md0: > Version : 1.2 > Creation Time : Wed Jan 11 20:30:26 2012 > Raid Level : raid1 > Array Size : 488383352 (465.76 GiB 500.10 GB) > Used Dev Size : 488383352 (465.76 GiB 500.10 GB) > Raid Devices : 2 > Total Devices : 2 > Persistence : Superblock is persistent > > Update Time : Fri Sep 6 21:26:31 2013 > State : clean > Active Devices : 2 > Working Devices : 2 > Failed Devices : 0 > Spare Devices : 0 > > Name : petros:0 (local to host petros) > UUID : dea84e95:1a6753ea:2982d49d:b812ff86 > Events : 2204266 > > Number Major Minor RaidDevice State > 2 8 1 0 active sync /dev/sda1 > 3 8 17 1 active sync /dev/sdb1 > > $ grub-install -v > grub-install (GRUB) 1.99-12ubuntu5.1 > > $ lsb_release -a > No LSB modules are available. > Distributor ID: Ubuntu > Description: Ubuntu 11.10 > Release: 11.10 > Codename: oneiric > > $ uname -a > Linux petros 3.0.0-32-generic #51-Ubuntu SMP Thu Mar 21 15:50:59 UTC > 2013 x86_64 x86_64 x86_64 GNU/Linux > > _______________________________________________ Help-grub mailing list [email protected] https://lists.gnu.org/mailman/listinfo/help-grub
