[Bug 927917] Re: Changing a partition type from ext3 to ext4 with Formatting unchecked in Ubuntu 12.1 installer formatted the partitions and erased everything
Colin Watson
cjwatson at canonical.com
Mon Feb 6 22:42:16 UTC 2012
Well, the basic behaviour here is by design - *any* filesystem change in
the installer will result in formatting, and I think if you had looked
closely you'd have seen that the option to format or not was in fact
disabled. However, I'm sorry for your data loss (although I thoroughly
recommend backups before installing an operating system!), and I suspect
that we could make it much clearer what's going to happen here.
** Package changed: ubuntu => partman-base (Ubuntu)
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https://bugs.launchpad.net/bugs/927917
Title:
Changing a partition type from ext3 to ext4 with Formatting unchecked
in Ubuntu 12.1 installer formatted the partitions and erased
everything
Status in “partman-base” package in Ubuntu:
Confirmed
Bug description:
I installed Ubuntu 12.1 on my linux server. There were two ext3
partitions. In the old days, when I changed from ext2 to ext3, it
could be done easily without changing any file on the drive. I thought
it is the same situation in the latest Ubuntu installer, and I changed
the partition type from ext3 to ext4, but the Format partition option
was unchecked, not to erase the data. When started installing, Ubuntu
formatted all the two partitions and erased all my last 14 years data
without asking anything. I do not think this should be the normal
behaviour. The installer should alert the user when changing the
partition type without Formatting checked that all the data will be
erased, or whatever.
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