[gentoo-user] gentoo in a tight place

[gentoo-user] gentoo in a tight place

[maxim wexler]

Hello everybody,

That min-install I was talking about failed due to
lack of disk space. I'm trying to install on a 3.2G
drive. Partitions are :
/ of 1.47G  ext2
/home 1.1G ext2
500M swap
100M /boot reiserfs

I was going to use this disk to help diagnose/repair
the 120G which is down. I guess I don't really need a
/home dir. Is there someway to free up some space on
/home and make it available to /? I'd hate to have to
wipe the disk and start over; it took about two  days
straight to download all the files at 2.8K over the
phone line!

-mw


	
		
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Re: [gentoo-user] gentoo in a tight place

[A. Khattri]

On Mon, 10 Oct 2005, maxim wexler wrote:

> Hello everybody,
>
> That min-install I was talking about failed due to
> lack of disk space. I'm trying to install on a 3.2G
> drive. Partitions are :
> / of 1.47G  ext2
> /home 1.1G ext2
> 500M swap
> 100M /boot reiserfs
>
> I was going to use this disk to help diagnose/repair
> the 120G which is down. I guess I don't really need a
> /home dir. Is there someway to free up some space on
> /home and make it available to /? I'd hate to have to
> wipe the disk and start over; it took about two  days
> straight to download all the files at 2.8K over the
> phone line!

Maybe you can move /usr/portage and /tmp or /var/tmp to /home, set up some
sym links and free up some space??


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Re: [gentoo-user] gentoo in a tight place

[Justin Patrin]

On 10/10/05, maxim wexler <blissfix@yahoo.com> wrote:
> Hello everybody,
>
> That min-install I was talking about failed due to
> lack of disk space. I'm trying to install on a 3.2G
> drive. Partitions are :
> / of 1.47G  ext2
> /home 1.1G ext2
> 500M swap
> 100M /boot reiserfs
>
> I was going to use this disk to help diagnose/repair
> the 120G which is down. I guess I don't really need a
> /home dir. Is there someway to free up some space on
> /home and make it available to /? I'd hate to have to
> wipe the disk and start over; it took about two  days
> straight to download all the files at 2.8K over the
> phone line!
>

If there's nothing in /home you could try using parted to remove the
partition and resize the / partition to take the whole thing.

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Re: [gentoo-user] gentoo in a tight place

[maxim wexler]

--- "A. Khattri" <ajai@bway.net> wrote:

> On Mon, 10 Oct 2005, maxim wexler wrote:
> 
> > Hello everybody,
> >
> > That min-install I was talking about failed due to
> > lack of disk space. I'm trying to install on a
> 3.2G
> > drive. Partitions are :
> > / of 1.47G  ext2
> > /home 1.1G ext2
> > 500M swap
> > 100M /boot reiserfs
> >
> > I was going to use this disk to help
> diagnose/repair
> > the 120G which is down. I guess I don't really
> need a
> > /home dir. Is there someway to free up some space
> on
> > /home and make it available to /? I'd hate to have
> to
> > wipe the disk and start over; it took about two 
> days
> > straight to download all the files at 2.8K over
> the
> > phone line!
> 
> Maybe you can move /usr/portage and /tmp or /var/tmp
> to /home, set up some
> sym links and free up some space??
> 
Thanks. Makes excellent sense. I'm goin in!
> 
> -- 
> 
> -- 
> gentoo-user@gentoo.org mailing list
> 
> 



	
		
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Re: [gentoo-user] gentoo in a tight place

[maxim wexler]

--- Justin Patrin <papercrane@gmail.com> wrote:

> On 10/10/05, maxim wexler <blissfix@yahoo.com>
> wrote:
> > Hello everybody,
> >
> > That min-install I was talking about failed due to
> > lack of disk space. I'm trying to install on a
> 3.2G
> > drive. Partitions are :
> > / of 1.47G  ext2
> > /home 1.1G ext2
> > 500M swap
> > 100M /boot reiserfs
> >
> > I was going to use this disk to help
> diagnose/repair
> > the 120G which is down. I guess I don't really
> need a
> > /home dir. Is there someway to free up some space
> on
> > /home and make it available to /? I'd hate to have
> to
> > wipe the disk and start over; it took about two 
> days
> > straight to download all the files at 2.8K over
> the
> > phone line!
> >
> 
> If there's nothing in /home you could try using
> parted to remove the
> partition and resize the / partition to take the
> whole thing.

Hmm, this sounds better than the symlink solution.
DumbQuestion1: does resize destroy data?
Re-downloading this mess is not an option :(
> 
> --
> Justin Patrin
> 
> -- 
> gentoo-user@gentoo.org mailing list
> 
> 



		
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Re: [gentoo-user] gentoo in a tight place

[Justin Patrin]

On 10/10/05, maxim wexler <blissfix@yahoo.com> wrote:
>
>
> --- Justin Patrin <papercrane@gmail.com> wrote:
>
> > On 10/10/05, maxim wexler <blissfix@yahoo.com>
> > wrote:
> > > Hello everybody,
> > >
> > > That min-install I was talking about failed due to
> > > lack of disk space. I'm trying to install on a
> > 3.2G
> > > drive. Partitions are :
> > > / of 1.47G  ext2
> > > /home 1.1G ext2
> > > 500M swap
> > > 100M /boot reiserfs
> > >
> > > I was going to use this disk to help
> > diagnose/repair
> > > the 120G which is down. I guess I don't really
> > need a
> > > /home dir. Is there someway to free up some space
> > on
> > > /home and make it available to /? I'd hate to have
> > to
> > > wipe the disk and start over; it took about two
> > days
> > > straight to download all the files at 2.8K over
> > the
> > > phone line!
> > >
> >
> > If there's nothing in /home you could try using
> > parted to remove the
> > partition and resize the / partition to take the
> > whole thing.
>
> Hmm, this sounds better than the symlink solution.
> DumbQuestion1: does resize destroy data?
> Re-downloading this mess is not an option :(

It *shouldn't* destroy anything. Of course it's possible, but I
haven't seen it happen. I would suggest removing anything on /hom,
deleting it, and making the other partition bigger. Just make sure you
don't cut the power or anything while you're doing it.

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Re: [gentoo-user] gentoo in a tight place

[Dave Nebinger]

> I was going to use this disk to help diagnose/repair
> the 120G which is down.

Um, maybe I missed something Maxim.  Do you have a cdrom?  If so, just boot 
from a knoppix cd.  Comes with tons of repair tools already on it.  Then you 
wouldn't have to struggle with trying to get that small drive into a bootable 
state...

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Re: [gentoo-user] gentoo in a tight place

[Neil Bothwick]

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On Mon, 10 Oct 2005 09:32:49 -0700 (PDT), maxim wexler wrote:

> That min-install I was talking about failed due to
> lack of disk space. I'm trying to install on a 3.2G
> drive. Partitions are :
> / of 1.47G  ext2
> /home 1.1G ext2
> 500M swap
> 100M /boot reiserfs
> 
> I was going to use this disk to help diagnose/repair
> the 120G which is down. I guess I don't really need a
> /home dir. Is there someway to free up some space on
> /home and make it available to /?

Are they adjacent partitions with / first? If so, delete both partitions
in cfdisk (which not mounted) and create a single partition in the same
place. When you reboot, /home will have disappeared and / will be the
same size. then resize / to the full size of the partition using the
appropriate tool for whichever filesystem it uses; resize2fs,
resize_reiserfs, xfs_growfs etc. You can probably also do the whole job
by booting Knoppix and using qtparted.

Moving /tmp or /var/tmp to /home may help, but then you'll probably run
out of space there while / has plenty. When space is tight, a single
partition makes a lot of sense. I wouldn't even bother with /boot in such
a case.

> I'd hate to have to
> wipe the disk and start over; it took about two  days
> straight to download all the files at 2.8K over the
> phone line!

What sort of modem are you using, an acoustic coupler? !!! ;-)


-- 
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Re: [gentoo-user] gentoo in a tight place

[maxim wexler]

> 
> > I'd hate to have to
> > wipe the disk and start over; it took about two 
> days
> > straight to download all the files at 2.8K over
> the
> > phone line!
> 
> What sort of modem are you using, an acoustic
> coupler? !!! ;-)

I live in the boonies at the end of an  eight mile
phone line. No broadband yet.



	
		
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Re: [gentoo-user] gentoo in a tight place

[maxim wexler]

--- Dave Nebinger <dnebinger@joat.com> wrote:

> > I was going to use this disk to help
> diagnose/repair
> > the 120G which is down.
> 
> Um, maybe I missed something Maxim.  Do you have a
> cdrom?  If so, just boot 
> from a knoppix cd.  Comes with tons of repair tools
> already on it.  Then you 
> wouldn't have to struggle with trying to get that
> small drive into a bootable 
> state...

I was afraid it had gone past that since / on the
120G, a Maxtor, can't even be mounted,  boots into a
kernel panic and has lots of dma_intr(0x51) errors.
But I notice even min-install.iso has lots of tools
and I do happen to have a knoppix CD...

> 
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> 
> 



		
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Re: [gentoo-user] gentoo in a tight place

[Neil Bothwick]

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On Mon, 10 Oct 2005 12:35:08 -0700 (PDT), maxim wexler wrote:

> it took about two days
> > > straight to download all the files at 2.8K over
> > the phone line!
> > 
> > What sort of modem are you using, an acoustic
> > coupler? !!! ;-)
> 
> I live in the boonies at the end of an  eight mile
> phone line. No broadband yet.

I'd still expect you to get around ten times that speed :)


-- 
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...
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a galactic rotation you are guaranteed to receive enough hydrogen in
return to power your civilization until entropy reaches its maximum!"

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Re: [gentoo-user] gentoo in a tight placeWHACK-A-MOLE

[maxim wexler]

You fix it here it breaks again over there :( Turns
out the drive is OK(at least the file system), it was
another drive on the same cable. But now grub wont
work at all.  Interesting, at first grub could boot xp
and gentoo, then xp failed and now gentoo wont boot --
no matter how I set grub up, from the command-line,
boot floppy, as a grub-install. It doesn't matter the
partition either; there's either a crash or the thing
boots to an error message such as "end_request: I/O
error, dev fd0, sector 0". Needless to say the floppy
drive is fine. Or, "The file /boot/grub/stage1 not
read correctly"

> Um, maybe I missed something Maxim.  Do you have a
> cdrom?  If so, just boot 
> from a knoppix cd.  Comes with tons of repair tools
> already on it.  Then you 
> wouldn't have to struggle with trying to get that
> small drive into a bootable 
> state...
> 
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> 
> 



	
		
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Re: [gentoo-user] gentoo in a tight place

[Hemmann, Volker Armin]

On Monday 10 October 2005 18:32, maxim wexler wrote:
> Hello everybody,
>
> That min-install I was talking about failed due to
> lack of disk space. I'm trying to install on a 3.2G
> drive. Partitions are :
> / of 1.47G  ext2
> /home 1.1G ext2
> 500M swap
> 100M /boot reiserfs
>

why reiserfs on boot?
why 100mb boot?

10mb boot/ext2 are way enough.
And since /boot is never mounted except when installing a new kernel, 
journaling is just overkill.
Or 500mb swap  - you can reduce it to 0 and use a swapfile.
swapfiles are not necessary slower than swappartitions, with 2.6 kernels.
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Re: [gentoo-user] gentoo in a tight place

[Daniel da Veiga]

On 10/11/05, Hemmann, Volker Armin <volker.armin.hemmann@tu-clausthal.de> wrote:
> On Monday 10 October 2005 18:32, maxim wexler wrote:
> > Hello everybody,
> >
> > That min-install I was talking about failed due to
> > lack of disk space. I'm trying to install on a 3.2G
> > drive. Partitions are :
> > / of 1.47G  ext2
> > /home 1.1G ext2
> > 500M swap
> > 100M /boot reiserfs
> >
>
> why reiserfs on boot?
> why 100mb boot?
>
> 10mb boot/ext2 are way enough.

Except when you have more than 2 or 3 kernels for testing and need
space for those, the "default" (Gentoo Handbook) value is 38MB... But
you're right, reiserfs is not a good fs for /boot.

> And since /boot is never mounted except when installing a new kernel,
> journaling is just overkill.
> Or 500mb swap  - you can reduce it to 0 and use a swapfile.
> swapfiles are not necessary slower than swappartitions, with 2.6 kernels.

Too much discussion over this (file or partition use for swap), so, I
won't say anything.

To the question, resize is not a very "secure" operation, heh, I don't
like it because I had "issues" like having to erase and rebuild my
whole partition table (thus loosing all info, thank God had all
ebuilds and configs backed up to another drive), or having to swim
over lost+found to find files and move them to the right location.

I would use links, MHO.

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Re: [gentoo-user] gentoo in a tight place

[Hemmann, Volker Armin]

On Tuesday 11 October 2005 20:19, Daniel da Veiga wrote:
> On 10/11/05, Hemmann, Volker Armin <volker.armin.hemmann@tu-clausthal.de> 
wrote:
> > On Monday 10 October 2005 18:32, maxim wexler wrote:
> > > Hello everybody,
> > >
> > > That min-install I was talking about failed due to
> > > lack of disk space. I'm trying to install on a 3.2G
> > > drive. Partitions are :
> > > / of 1.47G  ext2
> > > /home 1.1G ext2
> > > 500M swap
> > > 100M /boot reiserfs
> >
> > why reiserfs on boot?
> > why 100mb boot?
> >
> > 10mb boot/ext2 are way enough.
>
> Except when you have more than 2 or 3 kernels for testing and need
> space for those, the "default" (Gentoo Handbook) value is 38MB... But
> you're right, reiserfs is not a good fs for /boot.
>

I have three or four kernels in /boot and have 16mb... way enough

df -h
Dateisystem          Größe Benut  Verf Ben% Eingehängt auf
...
/dev/hda1              16M   11M  4,1M  72% /boot

ls -lh /boot
.
.
.
-rw-r--r--  1 root root 1,4M  1. Okt 23:39 vmlinuz-2.6.13-gentoo-r2
-rw-r--r--  1 root root 1,5M  6. Okt 23:40 vmlinuz-2.6.13-gentoo-r3
-rw-r--r--  1 root root 1,5M  6. Okt 03:25 vmlinuz-2.6.13-gentoo-r3.old
-rw-r--r--  1 root root 1,4M  5. Okt 20:40 vmlinuz-2.6.14-rc3

if you are size constrained, /boot with more than 10mb is plain overkill.

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Re: [gentoo-user] gentoo in a tight placeWHACK-A-MOLE

[Dave Nebinger]

On Tuesday 11 October 2005 12:32 pm, maxim wexler wrote:
> But now grub wont work at all.
> there's either a crash or the thing
> boots to an error message such as "end_request: I/O
> error, dev fd0, sector 0". Needless to say the floppy
> drive is fine. Or, "The file /boot/grub/stage1 not
> read correctly"

Maxim I had a similar thing happen when grub went thru an upgrade on the box 
that I missed.  Next boot resulted in grub complaining.  Re-installing grub 
to the MBR fixed it (using the version of grub that was installed on the box, 
not the grub on the knoppix cd).

Have you tried that?
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Re: [gentoo-user] gentoo in a tight place

[Dave Nebinger]

On Tuesday 11 October 2005 02:36 pm, Hemmann, Volker Armin wrote:
> I have three or four kernels in /boot and have 16mb... way enough

I've got a 100MB /boot partition, and with 12 kernels I'm still only using 
50%...

cornholio ~ # df -h /boot
Filesystem            Size  Used Avail Use% Mounted on
/dev/hda1              99M   46M   49M  49% /boot

cornholio ~ # ls /boot
System.map-2.6.11-gentoo-r4   System.map-2.6.13.2       
config-2.6.12.3-firewall  vmlinuz-2.6.11.7
System.map-2.6.11.11          boot@                     config-2.6.12.4           
vmlinuz-2.6.12
System.map-2.6.11.6           config-2.6.11             config-2.6.13             
vmlinuz-2.6.12.2
System.map-2.6.11.6-bridge    config-2.6.11-gentoo-r4   config-2.6.13.2           
vmlinuz-2.6.12.2-firewall
System.map-2.6.11.7           config-2.6.11.11          grub/                     
vmlinuz-2.6.12.3-firewall
System.map-2.6.12             config-2.6.11.6           
initrd-2.6.11-gentoo-r4   vmlinuz-2.6.12.4-firewall
System.map-2.6.12.2           config-2.6.11.6-bridge    
kernel-2.6.11-gentoo-r4   vmlinuz-2.6.13
System.map-2.6.12.2-firewall  config-2.6.11.7           lost+found/               
vmlinuz-2.6.13.2
System.map-2.6.12.3-firewall  config-2.6.12             vmlinuz-2.6.11.11
System.map-2.6.12.4           config-2.6.12.2           vmlinuz-2.6.11.6
System.map-2.6.13             config-2.6.12.2-firewall  
vmlinuz-2.6.11.6-bridge
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Re: [gentoo-user] gentoo in a tight place

[Neil Bothwick]

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On Tue, 11 Oct 2005 15:19:43 -0300, Daniel da Veiga wrote:

> To the question, resize is not a very "secure" operation, heh, I don't
> like it because I had "issues" like having to erase and rebuild my
> whole partition table

Resizing a filesystem doesn't affect the partition table, you change that
separately. Enlarging a partition, which is what you need to do, is
intrinsically safe, because all you are doing is making the extra space
on the partition available to the filesystem, no data has to be moved.


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Re: [gentoo-user] gentoo in a tight place

[Hemmann, Volker Armin]

On Tuesday 11 October 2005 23:13, Dave Nebinger wrote:
> On Tuesday 11 October 2005 02:36 pm, Hemmann, Volker Armin wrote:
> > I have three or four kernels in /boot and have 16mb... way enough
>
> I've got a 100MB /boot partition, and with 12 kernels I'm still only using
> 50%...

and the OP said, that he is doing rescue work, not testing kernels.
So 100mb for /boot sounds pretty pointless.
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Re: [gentoo-user] gentoo in a tight place

[maxim wexler]

Thanks for all your suggestions. I look forward to
implementing them just as soon as my 120G gets back in
service(if it does). BTW anybody know how long Maxtor
warranties their cheap ATA drives? The 120 in question
I bought from tigerdirect.ca about 6mos ago.

--- "Hemmann, Volker Armin"
<volker.armin.hemmann@tu-clausthal.de> wrote:

> On Tuesday 11 October 2005 23:13, Dave Nebinger
> wrote:
> > On Tuesday 11 October 2005 02:36 pm, Hemmann,
> Volker Armin wrote:
> > > I have three or four kernels in /boot and have
> 16mb... way enough
> >
> > I've got a 100MB /boot partition, and with 12
> kernels I'm still only using
> > 50%...
> 
> and the OP said, that he is doing rescue work, not
> testing kernels.
> So 100mb for /boot sounds pretty pointless.
> -- 
> gentoo-user@gentoo.org mailing list
> 
> 



		
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Re: [gentoo-user] gentoo in a tight place

[Hemmann, Volker Armin]

On Wednesday 12 October 2005 03:05, maxim wexler wrote:
> Thanks for all your suggestions. I look forward to
> implementing them just as soon as my 120G gets back in
> service(if it does). BTW anybody know how long Maxtor
> warranties their cheap ATA drives? The 120 in question
> I bought from tigerdirect.ca about 6mos ago.
>

that depends on where you are living ;)

but 6 month should be in the warranty period
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Re: [gentoo-user] gentoo in a tight place

[Neil Bothwick]

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On Wed, 12 Oct 2005 01:15:53 +0200, Hemmann, Volker Armin wrote:

> and the OP said, that he is doing rescue work, not testing kernels.
> So 100mb for /boot sounds pretty pointless.

In such a situation, when space is at a premium, I wouldn't have a /boot
partition at all.


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