On Wed, Jan 26, 2011 at 10:04:02AM +0100, Erik Logtenberg wrote: > Hi, > > It took me a couple of days, because I needed to patch my kernel first > and then issue a rebalance, which ran for more than two days. > Nevertheless, the rebalance succeeded without any "kernel BUG"-messages, > so apparently your patch works! > > I noticed that at first, the messages were like this: > > [79329.526490] btrfs: found 1939 extents > [79375.950834] btrfs: found 1939 extents > [79376.083599] btrfs: relocating block group 352220872704 flags 1 > [80052.940435] btrfs: found 3786 extents > [80108.439657] btrfs: found 3786 extents > [80112.325548] btrfs: relocating block group 351147130880 flags 1 > > Just like I saw during previous balance-runs. Then all of a sudden the > messages changed to: > > [104178.827594] btrfs allocation failed flags 1, wanted 2013265920 > [104178.827599] space_info has 4271198208 free, is not full > [104178.827602] space_info total=214748364800, used=210440957952, > pinned=0, reserved=36208640, may_use=3168993280, readonly=0 > [104178.827606] block group 1107296256 has 5368709120 bytes, 5368582144 > used 0 pinned 0 reserved > [104178.827610] entry offset 1778384896, bytes 86016, bitmap yes > [104178.827612] entry offset 1855827968, bytes 20480, bitmap no > [104178.827614] entry offset 1855852544, bytes 20480, bitmap no > [104178.827617] block group has cluster?: no > [104178.827618] 0 blocks of free space at or bigger than bytes is > [104178.827621] block group 8623489024 has 5368709120 bytes, 5368705024 > used 0 pinned 0 reserved > [104178.827624] entry offset 8891924480, bytes 4096, bitmap yes > [104178.827626] block group has cluster?: no > [104178.827628] 0 blocks of free space at or bigger than bytes is > [104178.827631] block group 17213423616 has 5368709120 bytes, 5368709120 > used 0 pinned 0 reserved > [104178.827634] block group has cluster?: no > > And so on. > > Does this indicate an error of any sort, or is this expected behaviour?
As far as I know, it means that you've run out of space, and not every block group has been rewritten by the balance process. Hugo. -- === Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk === PGP key: 515C238D from wwwkeys.eu.pgp.net or http://www.carfax.org.uk --- In one respect at least, the Martians are a happy people: --- they have no lawyers.
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