a concrete example
SNAPSHOT /dev/nvme0n1p2 on /tmp/tmp.X3vU6dLLVI type btrfs (rw,relatime,ssd,space_cache,subvolid=5,subvol=/) btrfsManage SNAPSHOT / (2016-12-19 19:44:00) Start btrfsManage . . . Start managing SNAPSHOT ' / ' filesystem ' root ' snapshot In ' btrfssnapshot ' latest source snapshot ' root-2016-12-18_15:10:01.40 ' . . . date ' 2016-12-18_15:10:01 ' number ' 40 ' Creation ' root-2016-12-19_19:44:00.part ' snapshot from ' root ' subvolume . . . Create a readonly snapshot of '/tmp/tmp.X3vU6dLLVI/root' in '/tmp/tmp.X3vU6dLLVI/btrfssnapshot/root/root-2016-12-19_19:44:00.part' Renaming ' root-2016-12-19_19:44:00.part ' into ' root-2016-12-19_19:44:00.41 ' snapshot Source snapshot list of ' root ' subvolume . . . btrfssnapshot/root/root-2016-08-28-12-35-01.1 ]zac[ . . . btrfssnapshot/root/root-2016-12-19_19:44:00.41 (2016-12-19 19:44:05) End btrfsManage . . . End managing SNAPSHOT ' / ' filesystem ' root ' snapshot CORRECTLY SEND e RECEIVE /dev/nvme0n1p2 on /tmp/tmp.o78czE0Bo6 type btrfs (rw,relatime,ssd,space_cache,subvolid=5,subvol=/) /dev/sda2 on /tmp/tmp.XcwqQCKq09 type btrfs (rw,relatime,space_cache,subvolid=5,subvol=/) btrfsManage SEND / /dev/sda2 (2016-12-19 19:47:24) Start btrfsManage . . . Start managing SEND ' / ' filesystem ' root ' snapshot in ' /dev/sda2 ' Sending ' root-2016-12-19_19:44:00.41 ' source snapshot to ' btrfsreceive ' subvolume . . . btrfs send -p /tmp/tmp.o78czE0Bo6/btrfssnapshot/root/root-2016-12-18_15:10:01.40 /tmp/tmp.o78czE0Bo6/btrfssnapshot/root/root-2016-12-19_19:44:00.41 | btrfs receive /tmp/tmp.XcwqQCKq09/btrfsreceive/root/.part/ . . . At subvol /tmp/tmp.o78czE0Bo6/btrfssnapshot/root/root-2016-12-19_19:44:00.41 . . . At snapshot root-2016-12-19_19:44:00.41 Creation ' root-2016-12-19_19:44:00.41 ' snapshot from ' .part/root-2016-12-19_19:44:00.41 ' subvolume . . . Create a readonly snapshot of '/tmp/tmp.XcwqQCKq09/btrfsreceive/root/.part/root-2016-12-19_19:44:00.41' in '/tmp/tmp.XcwqQCKq09/btrfsreceive/root/root-2016-12-19_19:44:00.41' . . . Delete subvolume (commit): '/tmp/tmp.XcwqQCKq09/btrfsreceive/root/.part/root-2016-12-19_19:44:00.41' Snapshot list in ' /dev/sda2 ' device . . . btrfsreceive/data_backup/data_backup-2016-12-17_12:07:00.1 . . . btrfsreceive/data_storage/data_storage-2016-12-10_17:05:51.1 . . . btrfsreceive/root/root-2016-08-28-12-35-01.1 ]zac[ . . . btrfsreceive/root/root-2016-12-19_19:44:00.41 (2016-12-19 19:48:37) End btrfsManage . . . End managing SEND ' / ' filesystem ' root ' snapshot in ' /dev/sda2 ' CORRECTLY > Hi Giuseppe, > > Would you like to tell some details about: > 1. the XYZ snapshot was taken from which subvolume > 2. where the base (initial) snapshot is stored > 3. The 3 partitions receives the same snapshot, are they in the same btrfs > configuration and subvol structure? > > Also, would you send the link reports "two files unreadable error" post > mentioned in step 2? Hope can see the message and figure out if the issue > first comes from sender or receiver side. > > Thanks, > Xin > > -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
