On Thu, 22 Jan 2004 23:57:44 +0000, Clive Menzies wrote:
> On (22/01/04 14:31), Paul Morgan wrote:
>> On Thu, 22 Jan 2004 15:05:01 +0000, Clive Menzies wrote:
>> > I've just reorganised the partitions on a second (Seagate) drive in
>> > a dual booting Dell Dimension XPS T500 to give more room to /usr
>> > (to upgrade from woody to sid).
>> >
>> > The partitions I messed with were /home, /usr and two swap.
>> >
>> > /home was 35 Gb and /usr 1Gb
>> >
>> > Using parted I deleted home and created a new 5GB /usr partition and
>> > 30Gb /home. Once I'd amended fstab and copied the /usr file across,
>> > I deleted the old /usr and one swap partition to create a new bigger
>> > swap partition and increased the remaining swap partition. All worked
>> > fine and I've subsequently upgraded to sid and everything is back as
>> > it should be.
>> >
>> > However, df -h gives (showing /usr as 1Gb):
>> >
>> > /dev/hdb2 92M 41M 47M 47% /
>> > /dev/hdb9 958M 564M 346M 63% /usr
>> > /dev/hdb6 958M 147M 763M 17% /var
>> > /dev/hdb7 958M 80K 909M 1% /tmp
>> > /dev/hdb10 29G 32M 28G 1% /home
>> > tmpfs 252M 0 252M 0% /dev/shm
>> >
>> > whereas parted shows /usr (9) as about 5Gb:
>> >
>> > 2 0.031 94.130 primary ext2
>> > 1 94.131 76316.594 extended lba
>> > 5 94.162 651.071 logical linux-swap
>> > 11 651.103 1427.651 logical linux-swap
>> > 6 1427.682 2400.336 logical ext2
>> > 7 2400.368 3373.022 logical ext2
>> > 9 3373.053 8424.711 logical ext2
>> > 10 8424.743 38421.079 logical ext2
>> > 8 38421.110 76316.594 logical fat32
>> >
>> > and cfdisk also shows 5GB:
>> >
>> > hdb2 Primary Linux ext2 98.71
>> > hdb5 Logical Linux swap 584.00
>> > hdb11 Logical Linux swap 814.31
>> > hdb6 Logical Linux ext2 1019.94
>> > hdb7 Logical Linux ext2 1019.94
>> > hdb9 Logical Linux ext2 5297.09
>> > hdb10 Logical Linux ext2 31453.48
>> > hdb8 Logical W95 FAT32 39736.33
>> >
>> > Any ideas?
>> >
>>
>> fsdisk and parted are showing the partiton size, whereas df is showing the
>> *filesystem* size. You don't say how you "copied the /usr file across",
>> but what you should have done is:
>>
>> Use mke2fs to create the filesystem on /dev/hdb9, e.g.:
>>
>> mke2fs /dev/hdb9
>>
>> Then you should have mounted the new filesystem, used cp to copy the
>> current /usr to it, then changed /etc/fstab to reflect the new /usr and
>> rebooted, or umounted the old /usr and mounted the new one, e.g.:
>>
>> mkdir /tmp/usr (or /mnt/usr if you prefer)
>> mount /dev/hdb9 /tmp/usr
>> cp -ax /usr /tmp
>> umount /tmp/usr
>> umount /usr
>> mount /dev/hdb9 /usr
>> <change the /etc/fstab also>
>>
>> It seems that you probably didn't do that, and somehow copied the old
>> filesystem as a whole onto the new partition (keeping the old filesystem's
>> size and wasting all the rest of the partition). Check out ext2resize man
>> page to fix.
> Brilliant! ;) Thanks Paul for a great explanation. I used rsync -opg to copy
> the /usr files across <thinks> must read man pages prior to significant
> tasks</thinks>
>
> Tomorrow, I will dutifully read ext2resize man page and fix it. Reading the
> parted user manual suggests that "parted resize" could also be used to fix it?
>
> Thanks again ;)
>
> I presume you're across the pond - do you get to vote?
>
Clive,
Just "ext2resize /dev/hdb9" should do the trick.
Yes, I'm a Welsh expat living in Kissimmee, Florida. And no, I don't get
to vote: I'm still a British citizen, a permanent resident alien. My
wife, however, is a Kentucky girl, so she votes for the both of us, so to
speak :)
--
....................paul
It is important to realize that any lock can be picked with a big
enough hammer.
-- Sun System & Network Admin manual
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