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Re: disk partitions on that aren't recognized by mkfs + parted



Formatting from a rescue disk does not work because the ids of the disks
change.

On my system /dev/sda  became /dev/sdi on the rescue disk.  I wiped out the
system.


On Thu, May 5, 2011 at 5:25 PM, raj sourabh <rajsourabh1 gmail com> wrote:

> I dont see why it shouldn't work. Now one of the option could be boot the
> system with rescue media and format the partition from there. That would
> definatly work :)
> Raj
> On Fri, May 6, 2011 at 12:53 AM, Doll, Margaret Ann <
> margaret_doll brown edu
> > wrote:
>
> > fuser -v /dev/sdi1
> > [root m3science ~]# lvdisplay
> >  --- Logical volume ---
> >  LV Name                /dev/vg1/lv1
> >  VG Name                vg1
> >  LV UUID                TzLAvI-cXKp-kevB-cIwi-d900-7ljt-KB89Tl
> >  LV Write Access        read/write
> >  LV Status              available
> >  # open                 1
> >  LV Size                7.20 TB
> >  Current LE             1887437
> >  Segments               4
> >  Allocation             inherit
> >  Read ahead sectors     auto
> >  - currently set to     256
> >  Block device           253:0
> >
> > [root m3science ~]# mdadm --stop /dev/sdi1
> > mdadm: /dev/sdi1 does not appear to be an md device
> >
> > The lvdisplay shows the m3team3 logical volume which includes sdd1, sde1,
> > sdf1 and sdg1
> >
> >
> > On Thu, May 5, 2011 at 4:43 PM, raj sourabh <rajsourabh1 gmail com>
> wrote:
> >
> > > Hi,
> > >
> > > The below output indicates;
> > >
> > >  Disk is in use by some process/software.. Please make sure this by
> > > running:
> > >   #fuser -v /dev/sdi1
> > >   (This should not display anything if disk is not in use)
> > >
> > >  Disk could be part of RAID or volume group
> > >      Try this and check for device /dev/sdi1
> > >      # lvdisplay
> > >
> > >      and finally, The following should disply something if it was part
> of
> > > any RAID
> > >      # mdadm --stop /dev/sdi1
> > >
> > >
> > > Regards,
> > >
> > > Raj
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > On Thu, May 5, 2011 at 10:53 PM, Doll, Margaret Ann <
> > > margaret_doll brown edu
> > > > wrote:
> > >
> > > > fdisk /dev/sdi
> > > >
> > > > The number of cylinders for this disk is set to 243201.
> > > > There is nothing wrong with that, but this is larger than 1024,
> > > > and could in certain setups cause problems with:
> > > > 1) software that runs at boot time (e.g., old versions of LILO)
> > > > 2) booting and partitioning software from other OSs
> > > >   (e.g., DOS FDISK, OS/2 FDISK)
> > > >
> > > > Command (m for help): p
> > > >
> > > > Disk /dev/sdi: 2000.3 GB, 2000398934016 bytes
> > > > 255 heads, 63 sectors/track, 243201 cylinders
> > > > Units = cylinders of 16065 * 512 = 8225280 bytes
> > > >
> > > >   Device Boot      Start         End      Blocks   Id  System
> > > > /dev/sdi1               1      243201  1953512001   83  Linux
> > > >
> > > > Command (m for help): d
> > > > Selected partition 1
> > > >
> > > > Command (m for help): p
> > > >
> > > > Disk /dev/sdi: 2000.3 GB, 2000398934016 bytes
> > > > 255 heads, 63 sectors/track, 243201 cylinders
> > > > Units = cylinders of 16065 * 512 = 8225280 bytes
> > > >
> > > >   Device Boot      Start         End      Blocks   Id  System
> > > >
> > > > Command (m for help): n
> > > > Command action
> > > >   e   extended
> > > >   p   primary partition (1-4)
> > > > p
> > > > Partition number (1-4): 1
> > > > First cylinder (1-243201, default 1):
> > > > Using default value 1
> > > > Last cylinder or +size or +sizeM or +sizeK (1-243201, default
> 243201):
> > > > Using default value 243201
> > > >
> > > > Command (m for help): w
> > > > The partition table has been altered!
> > > >
> > > > Calling ioctl() to re-read partition table.
> > > > Syncing disks.
> > > > [root m3science ~]# partprobe
> > > > Warning: Unable to open /dev/hda read-write (Read-only file system).
> > > > /dev/hda has been opened read-only.
> > > > Warning: /dev/sdh contains GPT signatures, indicating that it has a
> GPT
> > > > table.  However, it does not have a valid fake msdos partition table,
> > as
> > > it
> > > > should.  Perhaps it was corrupted -- possibly by a program that
> doesn't
> > > > understand GPT partition tables.  Or perhaps you deleted the GPT
> table,
> > > and
> > > > are now using an msdos partition table.  Is this a GPT partition
> table?
> > > > [root m3science ~]# mke2fs -j /dev/sdi1
> > > > mke2fs 1.39 (29-May-2006)
> > > > /dev/sdi1 is apparently in use by the system; will not make a
> > filesystem
> > > > here!
> > > >
> > > >
> > > >  On Thu, May 5, 2011 at 2:23 PM, raj sourabh <rajsourabh1 gmail com>
> > > > wrote:
> > > >
> > > > > Ok, so things look fine till here when you have created partitions
> > > > > sdh1,sdi1,sdj1,sdk1.. even after running partprobe if you are
> getting
> > > the
> > > > > same here then try the follwing;
> > > > >
> > > > > # delete one of the partition through fdisk eg.sdi1
> > > > > # after deletion check eg. # fdisk /dev/sdi and then list the
> > > partitions
> > > > > (You should not see anything)
> > > > > # Recreate the partition as primary
> > > > > #  Partprobe
> > > > > # and then try mke2fs -j /dev/sdi1
> > > > >
> > > > > Hope this should give some useful results.
> > > > >
> > > > > Regards,
> > > > >
> > > > > Raj
> > > > >
> > > > >
> > > > >
> > > > > On Thu, May 5, 2011 at 8:05 PM, Doll, Margaret Ann
> > > > > <margaret_doll brown edu>wrote:
> > > > >
> > > > > > On Thu, May 5, 2011 at 11:33 AM, raj sourabh <
> > rajsourabh1 gmail com>
> > > > > > wrote:
> > > > > >
> > > > > > > Hi,
> > > > > > >
> > > > > > > Please provide the output of following:
> > > > > > >
> > > > > > > #fdisk -l
> > > > > > >
> > > > > >
> > > > > > for the four disks in question
> > > > > >
> > > > > > WARNING: GPT (GUID Partition Table) detected on '/dev/sdh'! The
> > util
> > > > > fdisk
> > > > > > doesn't support GPT. Use GNU Parted.
> > > > > >
> > > > > >
> > > > > > Disk /dev/sdh: 2000.3 GB, 2000398934016 bytes
> > > > > > 255 heads, 63 sectors/track, 243201 cylinders
> > > > > > Units = cylinders of 16065 * 512 = 8225280 bytes
> > > > > >
> > > > > >   Device Boot      Start         End      Blocks   Id  System
> > > > > > /dev/sdh1               1      243201  1953512001   83  Linux
> > > > > >
> > > > > > Disk /dev/sdi: 2000.3 GB, 2000398934016 bytes
> > > > > > 255 heads, 63 sectors/track, 243201 cylinders
> > > > > > Units = cylinders of 16065 * 512 = 8225280 bytes
> > > > > >
> > > > > >   Device Boot      Start         End      Blocks   Id  System
> > > > > > /dev/sdi1               1      243201  1953512001   83  Linux
> > > > > >
> > > > > > Disk /dev/sdj: 2000.3 GB, 2000398934016 bytes
> > > > > > 255 heads, 63 sectors/track, 243201 cylinders
> > > > > > Units = cylinders of 16065 * 512 = 8225280 bytes
> > > > > >
> > > > > >   Device Boot      Start         End      Blocks   Id  System
> > > > > > /dev/sdj1               1      243201  1953512001   83  Linux
> > > > > >
> > > > > > Disk /dev/sdk: 2000.3 GB, 2000398934016 bytes
> > > > > > 255 heads, 63 sectors/track, 243201 cylinders
> > > > > > Units = cylinders of 16065 * 512 = 8225280 bytes
> > > > > >
> > > > > >   Device Boot      Start         End      Blocks   Id  System
> > > > > > /dev/sdk1               1      243201  1953512001   83  Linux
> > > > > >
> > > > > >
> > > > > > > #df -h
> > > > > > >
> > > > > >
> > > > > > Filesystem            Size  Used Avail Use% Mounted on
> > > > > > /dev/sda3             1.6G  982M  489M  67% /
> > > > > > tmpfs                 1.8G     0  1.8G   0% /dev/shm
> > > > > > /dev/sda10            883G  449G  389G  54% /home
> > > > > > /dev/sdb1             4.1G  569M  3.4G  15% /var
> > > > > > /dev/sdb2             913G  245G  622G  29% /home2
> > > > > > /dev/sda9             730M  519M  173M  76% /oldvar
> > > > > > /dev/sda8             1.1G   34M  976M   4% /tmp
> > > > > > /dev/sda6             2.1G   72M  2.0G   4% /opt
> > > > > > /dev/sda2             8.1G  3.6G  4.2G  46% /usr
> > > > > > /dev/sda5             3.1G  2.3G  671M  78% /usr/local
> > > > > > /dev/sda1             1.1G  120M  889M  12% /boot
> > > > > > /dev/sdc               12T   12T  183G  99% /m3team
> > > > > > /dev/mapper/vg1-lv1   7.1T  1.6T  5.2T  24% /m3team3
> > > > > > quahog2:/LVM2/crism13
> > > > > >                      4.9T  191G  4.5T   5% /m3team2
> > > > > > porter2:/m3_usb1      1.8T   96K  1.7T   1% /m3_usb1
> > > > > > porter2:/m3_usb2      1.8T  274G  1.5T  16% /m3_usb2
> > > > > > none                  1.8G  104K  1.8G   1% /var/lib/xenstored
> > > > > >
> > > > > >
> > > > > > eight disks were purchased and added to the system as the same
> > time.
> > >  I
> > > > > > successfully created a log volume group out of the first four;
> they
> > > are
> > > > > > mounted on /m3team3.
> > > > > >
> > > > > > I used parted to create a GPT label on the disks.  Then I used
> > fdisk
> > > to
> > > > > > create one partition taking up all the space on the disk.  I then
> > > used
> > > > > > "mkfs
> > > > > > -t ext3 /dev/sdg1 (etc.) on all the partitions before I used
> > > pvcreate,
> > > > > > vgcreate and lgcreate.
> > > > > >
> > > > > > The process worked on the first four disks.
> > > > > >
> > > > > > Thanks for your help
> > > > > >
> > > > > > >
> > > > > > > Regards,
> > > > > > >
> > > > > > > Raj
> > > > > > >
> > > > > > > On Thu, May 5, 2011 at 5:00 PM, Doll, Margaret Ann
> > > > > > > <margaret_doll brown edu>wrote:
> > > > > > >
> > > > > > > > I get the same error with mk2efs -j /dev/sdi1
> > > > > > > >
> > > > > > > > mke2fs 1.39 (29-May-2006)
> > > > > > > > /dev/sdi1 is apparently in use by the system; will not make a
> > > > > > filesystem
> > > > > > > > here!
> > > > > > > >
> > > > > > > >
> > > > > > > >  On Thu, May 5, 2011 at 8:50 AM, raj sourabh <
> > > > rajsourabh1 gmail com>
> > > > > > > > wrote:
> > > > > > > >
> > > > > > > > > Hi,
> > > > > > > > >
> > > > > > > > > Did you try using fdisk for partition? and the use
> partprobe.
> > > > > > > > >
> > > > > > > > > eg. #fdisk /dev/sdi
> > > > > > > > >     # partprobe
> > > > > > > > >     #mke2fs -j /dev/sdiX
> > > > > > > > >
> > > > > > > > > I hope this would help.
> > > > > > > > >
> > > > > > > > > Regards,
> > > > > > > > >
> > > > > > > > > Raj
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > On Thu, May 5, 2011 at 4:29 PM, Doll, Margaret Ann
> > > > > > > > > <margaret_doll brown edu>wrote:
> > > > > > > > >
> > > > > > > > > > In this particular case, I have rebooted the system many
> > > times
> > > > > and
> > > > > > am
> > > > > > > > > > unable
> > > > > > > > > > to get mkfs to work.  The disk partitions are also not on
> > the
> > > > > same
> > > > > > > disk
> > > > > > > > > as
> > > > > > > > > > /.  How do I get the disk partitions to work with mkfs?
> > > > > > > > > >
> > > > > > > > > > On Thu, May 5, 2011 at 8:25 AM, Corey Kovacs <
> > > > > > corey kovacs gmail com
> > > > > > > >
> > > > > > > > > > wrote:
> > > > > > > > > >
> > > > > > > > > > > Important to note
> > > > > > > > > > >
> > > > > > > > > > > 1. It's not often / is repartitioned.
> > > > > > > > > > > 2. This isn't a problem unique to RHEL.
> > > > > > > > > > >
> > > > > > > > > > > C
> > > > > > > > > > >
> > > > > > > > > > > Sent from my iPod
> > > > > > > > > > >
> > > > > > > > > > > On May 5, 2011, at 8:14 AM, "Marti, Robert" <
> > > RJM002 shsu edu
> > > > >
> > > > > > > wrote:
> > > > > > > > > > >
> > > > > > > > > > > > A reboot is required if you change partitions on the
> > same
> > > > > disk
> > > > > > > that
> > > > > > > > > > > houses /.
> > > > > > > > > > > >
> > > > > > > > > > > > On May 5, 2011, at 6:41, "Stainforth, Matthew
> (SD/DS)"
> > <
> > > > > > > > > > > Matthew Stainforth gnb ca> wrote:
> > > > > > > > > > > >
> > > > > > > > > > > >>> the default behavior for RHEL6 but I am not sure
> when
> > > or
> > > > IF
> > > > > > it
> > > > > > > > > > > >>> actually hit RHEL5. Sounds like it might have. In
> > RHEL6
> > > a
> > > > > > > reboot
> > > > > > > > is
> > > > > > > > > > > >>> simply a requirement, full stop.
> > > > > > > > > > > >>
> > > > > > > > > > > >> In RHEL6 a reboot is required between repartitioning
> > and
> > > > > > > mkfs'ing?
> > > > > > > > > >  What
> > > > > > > > > > > a sad thing if true.
> > > > > > > > > > > >>
> > > > > > > > > > > >> --
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