Re: LVM ext2 recovery [rabarbaras @ 2011-02-15 13:21:14]

Tema: Re: LVM ext2 recovery
Autorius: rabarbaras
Data: 2011-02-15 13:21:14
ka rodo fdisk -l /dev/sda11 ?

On 02/15/11 12:30, lingus wrote:
> Sveiki, nulėkė debian servas, su LVM, o po juo XEN virtualios mašinos.
> Turiu backupą su Norton Ghost, bet jis nesupportina LVM ir atkuria kaip
> paprastas particijas taigi gaunu:
>
> # /sbin/fdisk -l
> Warning: omitting partitions after #15.
> They will be deleted if you save this partition table.
>
> Disk /dev/sda: 250.0 GB, 250059350016 bytes
> 255 heads, 63 sectors/track, 30401 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
>
> Device Boot Start End Blocks Id System
> /dev/sda1 * 1 122 979933+ 83 Linux
> /dev/sda2 123 30401 243216067+ f W95 Ext'd (LBA)
> /dev/sda5 123 960 6731203+ 83 Linux
> /dev/sda6 961 4310 26908843+ 83 Linux
> /dev/sda7 4311 12683 67256091 83 Linux
> /dev/sda8 12684 13102 3365586 83 Linux
> /dev/sda9 13103 16452 26908843+ 83 Linux
> /dev/sda10 16453 18127 13454406 82 Linux swap / Solaris
> /dev/sda11 18128 27265 73400953+ 83 Linux
> /dev/sda12 27266 27527 2104483+ 83 Linux
> /dev/sda13 27528 27658 1052226 83 Linux
> /dev/sda14 27659 29617 15735636 83 Linux
> /dev/sda15 29618 30270 5245191 83 Linux
>
> nuo 1 iki 10 yra sisteminės particijos var, home, tmp, usr, swap,
> tereikėjo pa'editint GRUB, fstab ir sistema pakilo.
>
> /dev/vg00/root / ext3
> /dev/vg00/var /var ext3
> /dev/vg00/home /home ext3
> /dev/vg00/tmp /tmp ext3
> /dev/vg00/usr /usr ext3
> --------------------
> /dev/sda5 / ext3
> /dev/sda6 /var ext3
> /dev/sda7 /home ext3
> /dev/sda8 /tmp ext3
> /dev/sda9 /usr ext3
>
> Svarbiausiam man ši mašina:
>
> # cat /etc/xen/oracle
> name = "oracle"
> uuid = "cafff27f-362b-866f-53f7-1f3571fcb665"
> maxmem = 1024
> memory = 1024
> vcpus = 2
> bootloader = "/usr/bin/pygrub"
> on_poweroff = "destroy"
> on_reboot = "restart"
> on_crash = "restart"
> #vfb = [ "type=vnc,vncdisplay=1,vncpasswd=oracle" ]
> vfb = [ ]
> # fix the lagging mouse in VNC
> #usbdevice = 'tablet'
> disk = [ "phy:/dev/vg00/oracle.xen-disk,xvda,w",
> "phy:/dev/vg00/oracle.xen-swap,xvdb,w" ]
> vif = [ "mac=00:16:3e:2f:10:e3,bridge=xenbr0" ]
>
> # tail -20 /etc/lvm/archive/vg00_00010.vg:
>
> oracle.xen-disk {
> id = "RwCJVW-ik57-PJNz-1uRD-k3Ik-xoqb-sQ06fu"
> status = ["READ", "WRITE", "VISIBLE"]
> segment_count = 1
>
> segment1 {
> start_extent = 0
> extent_count = 2240 # 70 Gigabytes
>
> type = "striped"
> stripe_count = 1 # linear
>
> stripes = [
> "pv0", 688
> ]
> }
> }
>
> Pagal šitą sprendžiu, kad man reikalinga particija yra 70GB, taigi -
> "/dev/sda11", tačiau:
>
> # mount -v -t ext2 /dev/sda11 /mnt/
> mount: wrong fs type, bad option, bad superblock on /dev/sda11,
> missing codepage or other error
>
> # dmesg | tail
> hfs: unable to find HFS+ superblock
> hfs: unable to find HFS+ superblock
> hfs: unable to find HFS+ superblock
> VFS: Can't find an ext2 filesystem on dev sda11.
>
> Bandysiu drožt tą particiją su ext2 recovery toolsais, šiuo metu sukasi
> http://www.diskinternals.com/linux-recovery/. Bet labiau norėtųsi kaip
> nors pakišti tą particiją XEN'ui vietoj naudotos LVM, kad jis
> užsikrautų, gal užtektų ką nors gudraus parašyti čia?
> disk = [ "phy:/dev/vg00/oracle.xen-disk,xvda,w", "phy:/dev
> Gal eina nesudėtingai atgal surankioti LVM sistemą?
> Gal koks geresnis toolsas recoverinimui yra?
>
> Labai laukiu pasiūlymų, Dėkui =]