Re: Вопрос чайника про смену файловой системы

[SignFinder]

никак

только скопировать данные в другое место

mkfs данные потрет это же форматирование

[SignFinder]

How to move back from ext3 to ext2

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It's quite easy. If you unmount an ext3 filesystem cleanly, then you

can remount it as ext2 without any other commands. If you crash and are

left with an unclean ext3 filesystem, on the other hand, the filesystem

will prevent you from mounting it as ext2: it is not safe to mount it

until you have recovered the journal, and the only way to do that for

now is to mount it as ext3.

However, if for any reason you do have an ext3 filesystem which you want

to convert permanently back to ext2, whether it was cleanly unmounted or

not, you can use "debugfs" from e2fsprogs-1.17 or later to do it.

First, run debugfs and open the filesystem (the -w flag means open for

write, and the -f flag forces it to open the filesystem even if there

are unknown journal flags set):

[root@sarek /root]# debugfs

debugfs 1.18, 11-Nov-1999 for EXT2 FS 0.5b, 95/08/09

debugfs: open -f -w /dev/sdb1

Now, use "features" to see which feature bits are set on the filesystem:

debugfs: features

Filesystem features: has_journal filetype sparse_super

We want to clear the journal bits, then we can quit:

debugfs: features -has_journal -needs_recovery

Filesystem features: filetype sparse_super

debugfs: quit

[root@sarek /root]# debugfs

That's it!