Hi steven,
Thanks for the info.No luck here.I entered the cylinder (original value is
232514) in lilo.conf.But the fdisk -l /dev/hdd still shows the number of
cylinders as 65553.I tried to set it using the xpert mode in fdisk but it
doesnt allow me(it says out of range cylinder value).
SO letting it to be 65553,I tried to create 1 partition of 65553 cylinders
and quit the fdisk using w command.
Next step, I typed "mkfs /dev/hdd1", this is what I get.
/*////////////////////////////////////////////////////////
mke2fs 1.19, 13-Jul-2000 for EXT2 FS 0.5b, 95/08/09
mkfs.ext2: Device size reported to be zero. Invalid partition
specified,
or
partition table wasn't reread after running fdisk, due to
a modified partition being busy and in use. You may need to
reboot
to re-read your partition table.
///////////////////////////////////////////////////////////// */
I rebooted the system but the same thing comes up.
One more thing,"fdisk -l /dev/hdd" gives the following information,
/*/////////////////////////////////////////////////////////////
Disk /dev/hdd: 16 heads, 63 sectors, 65535 cylinders
Units = cylinders of 1008 * 512 bytes
Device Boot Start End Blocks Id System
/dev/hdd1 4061214 3927021 2079850472+ 83 Linux
Partition 1 does not end on cylinder boundary:
phys=(1023, 255, 63) should be (1023, 15, 63)
////////////////////////////////////////////////////////////////*/.
Do you have an idea regarding that "phys" word?.
I would like share more information which might help us find a solution.I
had 1 more new 120gb disk and I tried it on my other linux machine(by the
way this is the server with NIS and NFS running.Do I have to shut off all
the services before working with a new drive?).So coming back, the same
thing happens with this new disk on a new machine.SO I believe there is
something wrong with the way Iam working with the machines but not the
drives.
I tried reinstalling the drive physcially many times and some times the
machine reads the drive space correctly and sometimes not.When it read
correctly, I made a single partition of the entire disk(i.e 120 gb) and
tried to create file system but the same message appears(i.e invalid
partition....).
Thanks again,
Laxman.
> Another idea: fdisk has an expert option, x. The expert menu allows
>you to change the number of cylinders ("c") and the number of heads ("h").
>If somehow "mkfs /dev/hdd" messed up those numbers, you should be able
>to restore them with fdisk.
>
>On Sun, 23 Jun 2002, Steven J. Yellin wrote:
>
> > I'd be surprised if "mkfs /dev/hdd" permanently damaged the hard
> > drive. So if you tried to repartition it, but fdisk found only 33 GB
> > available after originally finding 120 GB, I have no explanation for
> > what changed.
> >
> > I have a WD1200BB 120 GB disk for which "fdisk -l /dev/hdb" shows
> >
> > Disk /dev/hdb: 255 heads, 63 sectors, 14593 cylinders
> > Units = cylinders of 16065 * 512 bytes
> >
> > I multiply 14593*16065*512 to get 120031511040, which is 120 GB.
> > In view of "CHS=65535/16/63" in your dmesg output, I guess a similar
> > calculation for you based on "fdisk -l /dev/hdd" would show 33.8GB.
> > If your computer really thinks the disk has only 16 heads, that would
> > make it impossible to get beyond 33.8 GB because 65535 is the maximum
> > allowable number of cylinders.
> > It might solve your problem to specify the disk geometry at boot
> > time or in an append command in lilo.conf:
> > hdd=14593,255,63
> > if your disk is like mine. Or replace "14593,255,63" with what the
> > numbers of cylinders, heads, and sectors are supposed to be on your
>disk,
> > instead of what "fdisk -l /dev/hdd" shows.
> >
> > On Mon, 24 Jun 2002, Laxman Buneti wrote:
> >
> > > Hi,
> > >
> > > Thanks for the information.I think I typed "mkfs /dev/hdd" instead of
>"mkfs
> > > /dev/hdd1" initially when I was making a partition of 100 gb.
> > >
> > > Anyway I deleted all the partitions on /dev/hdd and still my disk
>shows only
> > > 33 gb space(originally it was 120 gb).Do you think the command "mkfs
> > > /dev/hdd" messed up the ard drive. Any help on this?
> > >
>...
>
>--
>Steven Yellin
>
>
>
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