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Mike81
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Joined: 05 Jan 2011
Posts: 36

PostPosted: Fri Dec 14, 2012 11:10 am    Post subject: Separate portage partition causing unexpected inconsistency? Reply with quote

Hello,

I installed some servers following this guide: http://www.gentoo.org/doc/en/gentoo-x86+raid+lvm2-quickinstall.xml

Well, I did not everything... but I created a LVM with volumes for rootfs, swap, portage and distfiles.

Code:
/dev/sda1 -> /boot
/dev/sda2 -> LVM


Code:
LVM:
/dev/vg/rootfs
/dev/vg/swap
/dev/vg/portage (I disabled journal for this partition)
/dev/vg/distfiles


When I mount everything I have multiple lost+found directories - that's normal I think:

Code:
/boot/lost+found (comes from /dev/sda1 partition)
/lost+found (comes from /dev/vg/rootfs partition)
/usr/portage/lost+found (comes from /dev/vg/portage partition)
/usr/portage/distfiles/lost+found (comes from /dev/vg/distfiles partition)


Today we had a power failure. All system crashed.

After power was restored, all systems booted with ro mounted volumes. That was a problem, because network didn't come up. However I was wondering, that no auto fsck fixed the problem. Instead I saw the message

Code:
Unexpected inconsistency, run fsck manually


I booted each system via SysRescCD and run fsck. Every filesystem was fine, excepted /dev/vg/portage on each system:

Code:
sysrescd ~# fsck.ext4 -f -v /dev/vg/portage
e2fsck 1.42 (29-Nov-2011)
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Entry 'lost+found' in / (2) is a link to directory /lost+found (6815).
Clear<y>? yes

Entry 'lost+found' in / (2) is a link to directory /lost+found (6815).
Clear<y>? yes

Entry 'lost+found' in / (2) is a link to directory /lost+found (6815).
Clear<y>? yes

Pass 3: Checking directory connectivity
Pass 3A: Optimizing directories
Pass 4: Checking reference counts
Pass 5: Checking group summary information

portage: ***** FILE SYSTEM WAS MODIFIED *****

...


I don't understand this problem. For me it looks like fsck is complaining about "/dev/vg/portage/lost+found". After fsck fixed /dev/vg/portage, this folder was removed. So was /dev/vg/portage/lost+found just broken? Why? Why wasn't /dev/vg/distfiles/lost+found or /dev/vg/rootfs/lost+found or /dev/sda1/lost+found also broken? Has it something to do with the disabled journaling option?


Thanks for any help/explanation.
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