Re: Hello,Re: GPT Table broken on a Raid1

["Günther J. Niederwimmer" <gjn@gjn.priv.at>]

Hello Chris,

Am Montag, 24. September 2012, 11:21:35 schrieb Chris Murphy:
> On Sep 24, 2012, at 1:28 AM, Günther J. Niederwimmer wrote:
> > Model: ATA ST3320620AS (scsi)
> > Disk /dev/sda: 320GB
> > Sector size (logical/physical): 512B/512B
> > Partition Table: gpt_sync_mbr
> 
> Interesting. Parted thinks this disk has a hybrid MBR. Günther, what is the
> result from:
> 
> fdisk -l /dev/sda

WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk 
doesn't support GPT. Use GN Parted.


Disk /dev/sda: 320.1 GB, 320072933376 bytes
256 Köpfe, 63 Sektoren/Spur, 38761 Zylinder, zusammen 625142448 Sektoren
Einheiten = Sektoren von 1 × 512 = 512 Bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

   Gerät  boot.     Anfang        Ende     Blöcke   Id  System
/dev/sda1               1  4294967295  2147483647+  ee  GPT



> And one more, I'd like to see the result from:
> mount

devtmpfs on /dev type devtmpfs 
(rw,relatime,size=12354704k,nr_inodes=3088676,mode=755)
tmpfs on /dev/shm type tmpfs (rw,relatime)
tmpfs on /run type tmpfs (rw,nosuid,nodev,relatime,mode=755)
devpts on /dev/pts type devpts (rw,relatime,gid=5,mode=620,ptmxmode=000)
/dev/sde2 on / type btrfs (rw,relatime,ssd,space_cache)
proc on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,relatime)
tmpfs on /sys/fs/cgroup type tmpfs (rw,nosuid,nodev,noexec,relatime,mode=755)
cgroup on /sys/fs/cgroup/systemd type cgroup 
(rw,nosuid,nodev,noexec,relatime,release_agent=/lib/systemd/systemd-cgroups-
agent,name=systemd)
cgroup on /sys/fs/cgroup/cpuset type cgroup 
(rw,nosuid,nodev,noexec,relatime,cpuset)
cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup 
(rw,nosuid,nodev,noexec,relatime,cpuacct,cpu)
cgroup on /sys/fs/cgroup/memory type cgroup 
(rw,nosuid,nodev,noexec,relatime,memory)
cgroup on /sys/fs/cgroup/devices type cgroup 
(rw,nosuid,nodev,noexec,relatime,devices)
cgroup on /sys/fs/cgroup/freezer type cgroup 
(rw,nosuid,nodev,noexec,relatime,freezer)
cgroup on /sys/fs/cgroup/net_cls type cgroup 
(rw,nosuid,nodev,noexec,relatime,net_cls)
cgroup on /sys/fs/cgroup/blkio type cgroup 
(rw,nosuid,nodev,noexec,relatime,blkio)
cgroup on /sys/fs/cgroup/perf_event type cgroup 
(rw,nosuid,nodev,noexec,relatime,perf_event)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs 
(rw,relatime,fd=31,pgrp=1,timeout=300,minproto=5,maxproto=5,direct)
tmpfs on /var/lock type tmpfs (rw,nosuid,nodev,relatime,mode=755)
tmpfs on /var/run type tmpfs (rw,nosuid,nodev,relatime,mode=755)
tmpfs on /media type tmpfs (rw,nosuid,nodev,noexec,relatime,mode=755)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime)
securityfs on /sys/kernel/security type securityfs (rw,relatime)
mqueue on /dev/mqueue type mqueue (rw,relatime)
/dev/sde1 on /boot/efi type vfat 
(rw,relatime,fmask=0002,dmask=0002,allow_utime=0020,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-
ro)
fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime)
/dev/sdd2 on /data1 type ext4 (rw,relatime,data=ordered)
/dev/sdc1 on /data type ext4 (rw,relatime,data=ordered)
/dev/md126p4 on /windows/D type fuseblk 
(rw,nosuid,nodev,noexec,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096)
/dev/md126p5 on /windows/E type fuseblk 
(rw,nosuid,nodev,noexec,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096)
/dev/md126p6 on /home type ext4 (rw,relatime,data=ordered)
/dev/md126p3 on /windows/C type fuseblk 
(rw,nosuid,nodev,noexec,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096)
rpc_pipefs on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw,relatime)
bbs:/data1/ on /datas1 type nfs 
(rw,relatime,vers=3,rsize=262144,wsize=262144,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=192.168.100.200,mountvers=3,mountport=1516,mountproto=udp,local_lock=none,addr=192.168.100.200)
bbs:/data2/ on /datas2 type nfs 
(rw,relatime,vers=3,rsize=262144,wsize=262144,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=192.168.100.200,mountvers=3,mountport=1516,mountproto=udp,local_lock=none,addr=192.168.100.200)
none on /var/lib/ntp/proc type proc (ro,nosuid,nodev,relatime)
gvfs-fuse-daemon on /run/user/gjn/gvfs type fuse.gvfs-fuse-daemon 
(rw,nosuid,nodev,relatime,user_id=1000,group_id=100


> 
> I want to make sure nothing is directly mounting sda or sdb.

OK
 
> > But the good thing from this, Grub2 found my Windows 7 Installation on the
> > Raid1 and Make a Start Entry, with mdadm this is not working, Grub2 don't
> > found the windows?
> 
> Let's do one thing at a time. We don't even really have the basics covered
> yet. I am not able to reproduce your problem where the kernel and parted
> complain about the alternate GPT header not being at the end of the disk.
> I'm using kernel 3.5.3-1.fc17 and mdadm 3.2.5.

OK Chris ;) 

Thanks for the help,
-- 
mit freundlichen Grüßen / best Regards.

  Günther J. Niederwimmer
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