At Fri, 31 Aug 2012 14:59:43 +0800, levin li wrote: > > On 08/31/2012 02:38 PM, MORITA Kazutaka wrote: > > At Fri, 31 Aug 2012 14:25:04 +0800, > > levin li wrote: > >> > >> On 08/31/2012 02:10 PM, MORITA Kazutaka wrote: > >>> At Fri, 31 Aug 2012 13:53:29 +0800, > >>> levin li wrote: > >>>> > >>>> On 08/31/2012 12:17 PM, MORITA Kazutaka wrote: > >>>>> At Thu, 30 Aug 2012 13:59:54 +0800, > >>>>> levin li wrote: > >>>>>> > >>>>>> From: levin li <xingke....@taobao.com> > >>>>>> > >>>>>> With this command we can rollback a cloned VDI to any specified > >>>>>> snapshot, or easily reset to its parent VDI, the usage is easy. > >>>>>> > >>>>>> To rollback to a specified snapshot: > >>>>>> > >>>>>> $ collie vdi rollback -s 1 base_vdi clone_vdi > >>>>> > >>>>> Do we need to go back to a snapshot of another vdi? > >>>>> > >>>>> What I thought was like follows: > >>>>> > >>>>> $ collie vdi rollback -h > >>>>> Usage: collie vdi check [-s snapshot] <vdiname> > >>>>> > >>>>> $ collie vdi create test 4G > >>>>> $ collie vdi snapshot test -s snap1 > >>>>> $ collie vdi snapshot test -s snap2 > >>>>> $ collie vdi tree test > >>>>> test---[2012-08-31 13:05]---[2012-08-31 13:06]---(you are here) > >>>>> $ collie vdi list test > >>>>> Name Id Size Used Shared Creation time VDI id > >>>>> Copies Tag > >>>>> s test 1 4.0 GB 0.0 MB 0.0 MB 2012-08-31 13:05 7c2b25 > >>>>> 1 snap1 > >>>>> s test 2 4.0 GB 0.0 MB 0.0 MB 2012-08-31 13:06 7c2b26 > >>>>> 1 snap2 > >>>>> test 3 4.0 GB 0.0 MB 0.0 MB 2012-08-31 13:07 7c2b27 > >>>>> 1 > >>>>> > >>>>> $ collie vdi rollback test -s snap1 > >>>>> $ collie vdi tree test > >>>>> test---[2012-08-31 13:05]-+-[2012-08-31 13:06]---[2012-08-31 13:07] > >>>>> `-(you are here) > >>>>> $ collie vdi list test > >>>>> Name Id Size Used Shared Creation time VDI id > >>>>> Copies Tag > >>>>> s test 1 4.0 GB 0.0 MB 0.0 MB 2012-08-31 13:05 7c2b25 > >>>>> 1 snap1 > >>>>> s test 2 4.0 GB 0.0 MB 0.0 MB 2012-08-31 13:06 7c2b26 > >>>>> 1 snap2 > >>>>> s test 3 4.0 GB 0.0 MB 0.0 MB 2012-08-31 13:07 7c2b27 > >>>>> 1 > >>>>> test 4 4.0 GB 4.0 MB 0.0 MB 2012-08-31 13:08 7c2b28 > >>>>> 1 > >>>>> > >>>>> > >>>>> Thanks, > >>>>> > >>>>> Kazutaka > >>>>> > >>>> > >>>> Maybe I misunderstood you, but this patch can do more than you expected, > >>>> it's no harm for users to rollback a VDI to any snapshot if they choose > >>>> to. > >>> > >>> I've tried, but it doesn't work well. > >>> > >>> $ collie vdi create test 4G > >>> $ collie vdi snapshot test -s snap1 > >>> $ collie vdi snapshot test -s snap2 > >>> $ collie vdi rollback test -s snap1 <- Can you support this usage? > >>> Segmentation fault <- Please fix this > >>> $ collie vdi rollback test test -s snap1 > >>> Can not rollback a non-cloned VDI <- We want to a rollback command > >>> even if > >>> the vdi is not a cloned one > >>> > >>> Thanks, > >>> > >>> Kazutaka > >>> > >> > >> I'll fix the segment fault, but it doesn't support the usage like this: > >> > >> $ collie vdi rollback test -s snap1 > > Well, I must make one thing clear, what do you mean by this command, > you want to rollback which VDI to which snapshot ? I think the usage > is confusing.
>From the current vdi to the specified snapshot. My example doesn't help you? > $ collie vdi rollback -h > Usage: collie vdi check [-s snapshot] <vdiname> > > $ collie vdi create test 4G > $ collie vdi snapshot test -s snap1 > $ collie vdi snapshot test -s snap2 > $ collie vdi tree test > test---[2012-08-31 13:05]---[2012-08-31 13:06]---(you are here) > $ collie vdi list test > Name Id Size Used Shared Creation time VDI id Copies > Tag > s test 1 4.0 GB 0.0 MB 0.0 MB 2012-08-31 13:05 7c2b25 1 > snap1 > s test 2 4.0 GB 0.0 MB 0.0 MB 2012-08-31 13:06 7c2b26 1 > snap2 > test 3 4.0 GB 0.0 MB 0.0 MB 2012-08-31 13:07 7c2b27 1 > > > $ collie vdi rollback test -s snap1 > $ collie vdi tree test > test---[2012-08-31 13:05]-+-[2012-08-31 13:06]---[2012-08-31 13:07] > `-(you are here) > $ collie vdi list test > Name Id Size Used Shared Creation time VDI id Copies > Tag > s test 1 4.0 GB 0.0 MB 0.0 MB 2012-08-31 13:05 7c2b25 1 > snap1 > s test 2 4.0 GB 0.0 MB 0.0 MB 2012-08-31 13:06 7c2b26 1 > snap2 > s test 3 4.0 GB 0.0 MB 0.0 MB 2012-08-31 13:07 7c2b27 1 > > test 4 4.0 GB 4.0 MB 0.0 MB 2012-08-31 13:08 7c2b28 1 > -- sheepdog mailing list sheepdog@lists.wpkg.org http://lists.wpkg.org/mailman/listinfo/sheepdog
