Question

2

Join Free Space on 2 Different drives (EEEPC with 2 SSDs)

rated 0 times [ 2] [ 0] / answers: 1 / hits: 605 / 2 Years ago, thu, january 20, 2022, 2:02:14

I have an EEE PC 901 that has 2 SSD drives 4 GB and 8GB.

I Installed "Ubuntu 10.04 LTS - the Lucid Lynx", and I'm very happy with it.

My only problem is that If I go to my home/ or "File System" I only have 168MB, but if I go to "16 GB File System" (mounted in /media/) I have 8.4 GB.

My question is, Is it possible to join (something like unpartitioning, if that's even a word) the 2 disks?

Or is it possible to put some parts of linux on one disk and others on the other?

Additional Info:
Result from ">df -h"

Filesystem            Size  Used Avail Use% Mounted on

/dev/sda1             3.5G  2.8G  606M  83% /

none                  493M  272K  493M   1% /dev

none                  497M 1000K  496M   1% /dev/shm

none                  497M   88K  497M   1% /var/run

none                  497M     0  497M   0% /var/lock

none                  497M     0  497M   0% /lib/init/rw

/dev/sdb1              15G  5.7G  8.4G  41% /media/9c9235be-7475-4448-9b05-b9222dce7660

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istmasted

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answered 2 Years ago bunsistent · Accepted Answer

During the Ubuntu installation you can choose to do manual partitioning, and then you can tell it to put /home on a different disk/partition immediately.

If you want to do it after installing, you can move everything in /home on sda1 (including hidden files!) to the root of the 8 (or 16?) GB disk sdb1, and then add something like the following line to /etc/fstab:

/dev/sdb1        /home           ext4    relatime        0       2

(Of course if you formatted the second SSD as another type of filesystem, make sure you replace 'ext4' by the right one!)

Moving those files is best done from a live CD/USB because moving them while running the system is probably not going to be liked by some applications... But make sure you change fstab on the first SSD and not on the system running from the USB stick (or CD) then!

BTW: "joining" multiple physical disks to 1 virtual disk can be done with LVM, but that's probably more complicated than you want right now... (And RAID 0 is for joining two disks of the same size, so not really useful here.)