Re: [opensuse] Swap Partitions with two versions of openSUSE

2008-01-28 Thread David Bolt
On Sun, 27 Jan 2008, Russ Fineman wrote:-

I presently have openSUSE 10.2 installed on sdb1,2,3. I'm wanting to install
openSUSE 11.0 on sdc1,2, 3. When I get into the installer and setup the
partitions it still wants to use the swap partition on sdb1. How can I have
separate swap partitions for each version or can I?

An easy way would be to start up the pre-existing openSUSE 10.2
installation and then use suspend to disc to shut down. This changes the
swap partition so that the kernel, and the installer, no longer
recognises it as a valid swap and will use/create another one.

I discovered this when trying to install the latest 11.0 alpha on a
system that I'd forgotten I'd suspended. Until I rebooted the old
installation and shut down properly, the installation system claimed
that what was the swap partition wasn't a valid one and offered to
delete one of my other partitions to create a new one.

The good news is that sharing swaps won't do any harm, unless you manage
to use suspend to disc in one installation and then reboot into the
other. That would require a deliberate act to get round the present
configuration, which should auto-start the suspended system on boot-up,
and so all bets are off.


Regards,
David Bolt

-- 
Team Acorn: http://www.distributed.net/ OGR-P2 @ ~100Mnodes RC5-72 @ ~15Mkeys
SUSE 10.1 32bit  | openSUSE 10.2 32bit | openSUSE 10.3 32bit | openSUSE 11.0a0
SUSE 10.1 64bit  | openSUSE 10.2 64bit | openSUSE 10.3 64bit
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Re: [opensuse] Swap Partitions with two versions of openSUSE

2008-01-28 Thread Aaron Kulkis

Russ Fineman wrote:
This is my first time trying to install two versions of openSUSE. I have two 
seperate 320GB SATA drives. Also an unused 120GB ide drive. 4 GB memory, 3.4 
MHZ P4 processor.


I presently have openSUSE 10.2 installed on sdb1,2,3. I'm wanting to install 
openSUSE 11.0 on sdc1,2, 3. When I get into the installer and setup the 
partitions it still wants to use the swap partition on sdb1. How can I have 
separate swap partitions for each version or can I?


If you're only going to run one version at at time (no
virtualization), there's NO NEED for seperate swap partitions.



Google showed a lot on partitions but nothing to help with the installer. A 
link to a how to would be great.



Simply make another partition, and designate it as swap.

But all you're doing is robbing each installation of swap space.





Your help would be appreciated.
Thanks




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Re: [opensuse] Swap Partitions with two versions of openSUSE

2008-01-28 Thread Aaron Kulkis

Russ Fineman wrote:

On Sunday 27 January 2008 12:22:40 pm you wrote:
snip

I presently have openSUSE 10.2 installed on sdb1,2,3. I'm wanting to
install openSUSE 11.0 on sdc1,2, 3. When I get into the installer and
setup the partitions it still wants to use the swap partition on sdb1.
How can I have separate swap partitions for each version or can I?

I think you need to learn how swap is used. If you create a new swap
partition _both_ installations will _use_ _both_ swap partitions. So if the
first swap partition is large enuf, you do not need to create another.

HTH
ne...

/snip

Thanks. I guess I did not understand how swap was used. I will see if I can 
enlarge the first one. If not I may delete it and create a new one that will 
handle both. 


It doesn't matter.  Swap space is swap space.


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Re: [opensuse] Swap Partitions with two versions of openSUSE

2008-01-27 Thread Felix Miata
On 2008/01/27 12:12 (GMT-0800) Russ Fineman apparently typed:

 This is my first time trying to install two versions of openSUSE. I have two 
 seperate 320GB SATA drives. Also an unused 120GB ide drive. 4 GB memory, 3.4 
 MHZ P4 processor.

 I presently have openSUSE 10.2 installed on sdb1,2,3. I'm wanting to install 
 openSUSE 11.0 on sdc1,2, 3. When I get into the installer and setup the 
 partitions it still wants to use the swap partition on sdb1. How can I have 
 separate swap partitions for each version or can I?

Why do you want to? Except maybe if you suspend multiple distros instead of
shutting down, I don't know any good reason to have more than one contiguous
swapper.

 Google showed a lot on partitions but nothing to help with the installer. A 
 link to a how to would be great.

I have no idea whether it's possible to get the installer to not use swap
partitions it finds, but when installation is done, simply edit /etc/fstab
and remove the line that mounts the swapper you don't want it to use.
-- 
In the beginning was the Word, and the Word was
with God, and the Word was God. John 1:1 NIV

 Team OS/2 ** Reg. Linux User #211409

Felix Miata  ***  http://mrmazda.no-ip.com/
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Re: [opensuse] Swap Partitions with two versions of openSUSE

2008-01-27 Thread Russ Fineman
On Sunday 27 January 2008 12:22:40 pm you wrote:
snip
  I presently have openSUSE 10.2 installed on sdb1,2,3. I'm wanting to
  install openSUSE 11.0 on sdc1,2, 3. When I get into the installer and
  setup the partitions it still wants to use the swap partition on sdb1.
  How can I have separate swap partitions for each version or can I?

 I think you need to learn how swap is used. If you create a new swap
 partition _both_ installations will _use_ _both_ swap partitions. So if the
 first swap partition is large enuf, you do not need to create another.

 HTH
 ne...
/snip

Thanks. I guess I did not understand how swap was used. I will see if I can 
enlarge the first one. If not I may delete it and create a new one that will 
handle both. 




-- 
Russ
Linux register user 441463
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Re: [opensuse] Swap Partitions with two versions of openSUSE

2008-01-27 Thread Russ Fineman
On Sunday 27 January 2008 12:29:50 pm Felix Miata wrote:
 On 2008/01/27 12:12 (GMT-0800) Russ Fineman apparently typed:
  This is my first time trying to install two versions of openSUSE. I have
  two seperate 320GB SATA drives. Also an unused 120GB ide drive. 4 GB
  memory, 3.4 MHZ P4 processor.
 
  I presently have openSUSE 10.2 installed on sdb1,2,3. I'm wanting to
  install openSUSE 11.0 on sdc1,2, 3. When I get into the installer and
  setup the partitions it still wants to use the swap partition on sdb1.
  How can I have separate swap partitions for each version or can I?

 Why do you want to? Except maybe if you suspend multiple distros instead of
 shutting down, I don't know any good reason to have more than one
 contiguous swapper.

  Google showed a lot on partitions but nothing to help with the installer.
  A link to a how to would be great.

 I have no idea whether it's possible to get the installer to not use swap
 partitions it finds, but when installation is done, simply edit /etc/fstab
 and remove the line that mounts the swapper you don't want it to use.
 --
 In the beginning was the Word, and the Word was
 with God, and the Word was God. John 1:1 NIV

  Team OS/2 ** Reg. Linux User #211409

 Felix Miata  ***  http://mrmazda.no-ip.com/

Thanks as was pointed out in another email I did not understand that both 
versions could use the one swap partition. I think it will be big enough, its 
5GB and I only have 3.2GB of usable memory, 4GB total. 


-- 
Russ
Linux register user 441463
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Re: [opensuse] Swap Partitions with two versions of openSUSE

2008-01-27 Thread Carlos E. R.

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The Sunday 2008-01-27 at 15:29 -0500, Felix Miata wrote:


partitions it still wants to use the swap partition on sdb1. How can I have
separate swap partitions for each version or can I?


Why do you want to? Except maybe if you suspend multiple distros instead of
shutting down,


That would be quite dangerous: if one system tries to open the other 
system filesystem, it will see it wasn't properly clossed and run an fsck 
on it. Worse, when you open again the first filesystem it expects a dirty 
filesystem with opened files, and finds thing changed, with very 
unexpected and bad results.


I know, because it happened to me.


The best thing is to use the same swap for all system.


I don't know any good reason to have more than one contiguous
swapper.


If they are on different drives, then it is a good thing: access is 
faster.


- -- 
Cheers,

   Carlos E. R.
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