Hi, On Tue, 14 Jun 2016 20:54:32 -0400, Jérôme Poulin wrote: > On Tue, Jun 14, 2016 at 10:54 AM, Michele Marcon > <M.Marcon@xxxxxxxxxxxxxx> wrote: >> When the garbage collector starts, it will notice that the checkpoint "from the future" is protected and will not remove it. >> The problem is that it will not remove subsequent checkpoints (but with timestamp that shouldn't be protected), and therefore there won't be any garbage collection until 2020. >> >> The only workaround is to manually remove the "future" checkpoints with rmcp. >> >> Is this a known issue? Thanks! > > > I was bit by the opposite problem on my day to day laptop. I set my > time in the past for some hours, then after restoring the correct > time, the garbage collector destroyed all the checkpoints from the > past. At this point, the FS was screwed. I reported the issue and > can't find the patch that fixed it but I guess this is the kind of > protection to be expected from my issue, checkpoints from the future > can't be cleaned up. > > Pseudo-References: > http://www.spinics.net/lists/linux-nilfs/msg00592.html Do you mean an fs curruption occurs (even now) after the above rewinding ? If you mean all checkpoints looks to be removed, could you try "-a" option of the lscp command ? Regards, Ryusuke Konishi > -- > To unsubscribe from this list: send the line "unsubscribe linux-nilfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-nilfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html