[kde-linux] 20090721KL -- Dolphin And Partitions
JD
jd1008 at gmail.com
Wed Jul 22 05:11:04 UTC 2009
On 07/21/2009 07:36 PM, Bruce MacArthur wrote:
> On Tuesday 21 July 2009 12:40, Anne Wilson wrote:
>
>> On Tuesday 21 Jul 2009 17:58:25 Bruce MacArthur wrote:
>>
>>> Greetings --
>>>
>>> My computer has a single hard disk drive -- but many partitions. A
>>> couple of those partitions are dedicated to openSUSE 10.2, and the
>>> rest are Kubuntu Jaunty (also known as Version 9.04).
>>>
>>> In the past, I have been able to use (Jaunty) Dolphin to view all
>>> partitions -- which meant I could copy files from one distro to the
>>> other. I no longer SEEM to have that option. Although I see how
>>> to modify the default start-up folder, I see nothing that would
>>> seem to help me restore the cross-partition view. So I am blind!!!
>>> Can anyone point out the obvious to me? THANKS for your time with
>>> this message!!!
>>>
>> In each distro, do you have fstab mounts for the partitions of the
>> other distro?
>>
>> Anne
>>
>
> Hello, Anne --
>
> FIRST, Thank you for a quick and helpful reply.
>
> SECOND, a part of my delay in replying is due to problems that I created
> for myself in the process of trying to install a VHS-DVD
> player-recorder to use the "TV-AV" aspect of my computer monitor! I am
> now back to normal. MEANWHILE, I have been researching the issue that
> you have raised for me. I am certain that the answer to your question
> is "No." But I am not at all sure quite what I need to do!
>
> When I try to edit /etc/fstab in openSUSE, I see
>
> /dev/sda2 / / acl,user_xattr 1 1
> /dev/sda3 /home /home acl,user_xattr 1 2
> /dev/sda1 swap swap defaults 0 0
> proc /proc /proc defaults 0 0
> sysfs /sys /sys noauto 0 0
> debugfs /sys/kernel/debug debugfs noauto 0 0
> usbfs /proc/bus/usb usbfs noauto 0 0
> devpts /dev/pts devpts mode=0620,gid=5 0 0
> /dev/fd0 /media/floppy auto noauto,user,synch 0 0
>
> The df shows
>
> /dev/sda2 18% /
> udev 1% /dev
> /dev/sda3 42% /home
>
>
> Both commands produce radically different output in Jaunty (9.04). Part
> of this is obviously due to the partitioning which I did -- but part of
> it is a combination of other variables (such as versions, etc.)! For
> example, edit /etc/fstab produces a LOT of comment-code, not to
> mention some really cryptic first-column device names! Trying to
> minimize the confusion, let me present its output as follows. (If the
> names are important, I will gladly supply them!)
>
> proc /proc proc 0 0
> /dev/sda6 / ext3 0 1
> /dev/sda11 /home ext3 0 2
> /dev/sda10 /opt ext3 0 2
> /dev/sda7 /root ext3 0 2
> /dev/sda8 /tmp ext3 0 2
> /dev/sda12 /usr ext3 0 2
> /dev/sda9 /var ext3 0 2
> /dev/sda1 none swap 0 0
> /dev/sda5 none swap 0 0
> /dev/scd0 /media/cdrom0 udf,iso9660 0 0
> /dev/fd0 /media/floppy auto 0 0
>
> The first column in the preceeding listing is taken from the comments
> and seems to be something from "prior to installation". The
> third-from-last column is --
> defaults
> relatime,error=remount -ro
> relatime
> relatime
> relatime
> relatime
> relatime
> relatime
> sw
> sw
> user,noauto,exec,utf8
> rw,user,noauto,exec,utf8
>
> The results of the df command are also much more extensive --
>
> /dev/sda6 9% /
> tmpfs 0% /lib/init/rw
> varrun 1% /var/run
> varlock 0% /var/lock
> udev 1% /dev
> tmpfs 1% /dev/shm
> lrm 1% /lib/modules/2.6.28-11-g
> eneric/volatile
> /dev/sda11 2% /home
> /dev/dsa10 1% /opt
> /dev/sda7 4% /root
> /dev/sda8 2% /tmp
> /dev/sda12 10% /usr
> /dev/sda9 5% /var
>
> I really do NOT understand the fact that "tmpfs" appears TWO times above
> the "eneric/volatile" entry, but I did not copy this one in error!!!
>
>
> I notice that you mentioned that I should have fstab mounts for the
> partitions of EACH distro in the other. This makes excellent good
> sense if I am going to be moving things in both directions. I do not
> anticipate doing this -- the moves will be entirely from openSUSE to
> Jaunty. Can I "get away with" adding openSUSE partitions to Jaunty's
> fstab -- or will things effectively blow-up in my face if I fail to
> balance the equation?
>
> THANKS for your time and assistance!!!!!
>
>
I had a similar situation.
Part of the problem for you "might" be that the 2 OS'es do not use
the same device names for the partitions in question. So, you will
need to do some work to be sure (for example - that /dev/sdb3 in one
OS is the same as /dev/sdd3 in the other os). What I am trying to
point out is that the disk numbering scheme in the two OS'es might
not match. So once you are able to identify the device names
in both OS'es and map them 1 - 1 correctly, then adding them correctly
into both OS'es fstabs should be very trivial.
So, your devices on jaunty are:
/dev/sda6 / ext3 0 1
/dev/sda11 /home ext3 0 2
/dev/sda10 /opt ext3 0 2
/dev/sda7 /root ext3 0 2
/dev/sda8 /tmp ext3 0 2
/dev/sda12 /usr ext3 0 2
/dev/sda9 /var ext3 0 2
/dev/sda1 none swap 0 0
/dev/sda5 none swap 0 0
PS: I do not know how jaunty creates 12 partitions in a Linux disk!
Jaunty seems to be using BSD partitioning scheme, no?? If that
is the case, your opensuse will probably not be able to mount
jaunty's non-standard Linux partitions. Standard Linux kernels
simply do not write BSD partitions - even the config menu says
it is dangerous to config and build the linux kernel with write
support for BSD's UFS partitions.
I do know that you could have for example 3 extended partitions
and 4 sub-partitions in each extended partition. Perhaps that is
what you did - in which case my comment re: BSD UFS does not
apply.
Your devices on opensuse are:
/dev/sda2 / / acl,user_xattr 1 1
/dev/sda3 /home /home acl,user_xattr 1 2
/dev/sda1 swap swap defaults 0 0
Now, which devices do you wish to be visible to both OS'es??
Also, in each OS, issue the command
fdisk -l /dev/sd?
for all disks visible to the OS. Look in /dev to see how
many sd devices there are. Save the outputs
and label them so a reader will know which OS the command
was run on.
This will help identify which disks have same partitioning scheme
and partition types, ..etc.
Cheers,
Joe
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