ubuntu@ubuntu:/mnt/gentoo/usr$ sudo wget http://gentoo.osuosl.org/snapshots/portage-latest.tar.bz2
--21:42:19--  http://gentoo.osuosl.org/snapshots/portage-latest.tar.bz2
           => `portage-latest.tar.bz2'
Resolving gentoo.osuosl.org... 64.50.236.52, 64.50.238.52
Connecting to gentoo.osuosl.org|64.50.236.52|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 31,253,935 (30M) [application/x-tar]

 2% [>                                    ] 873,306       81.53K/s    ETA 05:45
ubuntu@ubuntu:/mnt/gentoo/usr$ sudo wget http://mirror.ovh.net/gentoo-distfiles/snapshots/portage-latest.tar.bz2
--21:43:21--  http://mirror.ovh.net/gentoo-distfiles/snapshots/portage-latest.tar.bz2
           => `portage-latest.tar.bz2.1'
Resolving mirror.ovh.net... 213.186.33.38, 213.186.33.37
Connecting to mirror.ovh.net|213.186.33.38|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 31,253,935 (30M) [application/x-tar]

100%[====================================>] 31,253,935   435.28K/s    ETA 00:00

21:44:27 (466.52 KB/s) - `portage-latest.tar.bz2.1' saved [31253935/31253935]

ubuntu@ubuntu:/mnt/gentoo/usr$ sudo time tar xjf portage-lat*

bzip2: Compressed file ends unexpectedly;
        perhaps it is corrupted?  *Possible* reason follows.
bzip2: Inappropriate ioctl for device
        Input file = (stdin), output file = (stdout)

It is possible that the compressed file(s) have become corrupted.
You can use the -tvv option to test integrity of such files.

You can use the `bzip2recover' program to attempt to recover
data from undamaged sections of corrupted files.

tar: Unexpected EOF in archive
tar: Error is not recoverable: exiting now
Command exited with non-zero status 2
0.03user 0.02system 0:03.83elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+292minor)pagefaults 0swaps