[SOLVED] lost /root

[darco]

Strange problem here..,,,I recently built a new system. In my new pc, I have one drive and installed Win 7. I then pulled the drive from the old system which contains Mint and Win 7, and connected it as a slave. Booted into Win 7 (no grub) and transferred some files/docs from the old drive (win 7).
Formatted the old win 7 partition. In Win 7, disk management confirms all the Mint partitions (swap/root and home)
Shut down pc, disconnected new drive and booted up the old drive and which gave me grub for Mint and Win 7 (which was deleted), chose Mint, all booted fine. Did the latest updates and then did a update grub after reconnecting new drive. Rebooted and saw that grub was updated, chose Win 7 and all is well.
Rebooted to Mint and now I get an error that sda4 is missing and it drops me to a shell (initramfs).
Was it the updates or the partition change that caused this problem? I was able to log into mint after the partition change but why did sda4 get wiped out all of a sudden? I think sda4 was my /home.
Any advice to recover?
txs

ps if not, Ill just wait for Mint Deb!

[oobetimer]

Strange problem here..,,,I recently built a new system. In my new pc, I have one drive and installed Win 7. I then pulled the drive from the old system which contains Mint and Win 7, and connected it as a slave. Booted into Win 7 (no grub) and transferred some files/docs from the old drive (win 7).
Formatted the old win 7 partition. In Win 7, disk management confirms all the Mint partitions (swap/root and home)
Shut down pc, disconnected new drive and booted up the old drive and which gave me grub for Mint and Win 7 (which was deleted), chose Mint, all booted fine. Did the latest updates and then did a update grub after reconnecting new drive. Rebooted and saw that grub was updated, chose Win 7 and all is well.
Rebooted to Mint and now I get an error that sda4 is missing and it drops me to a shell (initramfs).
Was it the updates or the partition change that caused this problem? I was able to log into mint after the partition change but why did sda4 get wiped out all of a sudden? I think sda4 was my /home.
Any advice to recover?
txs

ps if not, Ill just wait for Mint Deb!

Grub has lost the root-partition..

You could fix it via liveCD, but perhaps this CD makes things easier..

One solution can be not to use UUID onto grub.cfg

Uncomment that line --> GRUB_DISABLE_LINUX_UUID=true

https://wiki.ubuntu.com/Grub2#grub (/etc/default/grub)

[darco]

ya, you're right, its the root partition.....I disconnected the new drive and booted up the old and MInt loaded just fine....reconnected new drive and I get the sda4 missing error message. So proceed with your advice>?

[oobetimer]

ya, you're right, its the root partition.....I disconnected the new drive and booted up the old and MInt loaded just fine....reconnected new drive and I get the sda4 missing error message. So proceed with your advice>?

Yeah.. Grub2 is beta still, so it can do that kind of suprises ..

[darco]

ok, I saw that line in grub and it was Uncommented,,,,I added the comment and it booted up fine..
thxs