On 12/01/2015 06:40 PM, Dr. David Alan Gilbert wrote: > * Wen Congyang (we...@cn.fujitsu.com) wrote: >> Block replication is a very important feature which is used for >> continuous checkpoints(for example: COLO). >> >> You can get the detailed information about block replication from here: >> http://wiki.qemu.org/Features/BlockReplication >> >> Usage: >> Please refer to docs/block-replication.txt >> >> This patch series is based on the following patch series: >> 1. http://lists.nongnu.org/archive/html/qemu-devel/2015-11/msg04949.html >> 2. http://lists.nongnu.org/archive/html/qemu-devel/2015-11/msg06043.html >> >> You can get the patch here: >> https://github.com/coloft/qemu/tree/wency/block-replication-v12 >> >> You can get the patch with framework here: >> https://github.com/coloft/qemu/tree/wency/colo_framework_v11.2 > > Neither of these links work for me, and I see that only messages 0..7 in the > series hit the list.
I forgot to push it to github... And I also received the messages 0..7, and I don't know what's wrong... I will push it to github, and resend them. Thanks Wen Congyang > > Dave > >> >> TODO: >> 1. Continuous block replication. It will be started after basic functions >> are accepted. >> >> Changs Log: >> V12: >> 1. Rebase to the newest codes >> 2. Use backing reference to replcace 'allow-write-backing-file' >> V11: >> 1. Reopen the backing file when starting blcok replication if it is not >> opened in R/W mode >> 2. Unblock BLOCK_OP_TYPE_BACKUP_SOURCE and BLOCK_OP_TYPE_BACKUP_TARGET >> when opening backing file >> 3. Block the top BDS so there is only one block job for the top BDS and >> its backing chain. >> V10: >> 1. Use blockdev-remove-medium and blockdev-insert-medium to replace backing >> reference. >> 2. Address the comments from Eric Blake >> V9: >> 1. Update the error messages >> 2. Rebase to the newest qemu >> 3. Split child add/delete support. These patches are sent in another >> patchset. >> V8: >> 1. Address Alberto Garcia's comments >> V7: >> 1. Implement adding/removing quorum child. Remove the option non-connect. >> 2. Simplify the backing refrence option according to Stefan Hajnoczi's >> suggestion >> V6: >> 1. Rebase to the newest qemu. >> V5: >> 1. Address the comments from Gong Lei >> 2. Speed the failover up. The secondary vm can take over very quickly even >> if there are too many I/O requests. >> V4: >> 1. Introduce a new driver replication to avoid touch nbd and qcow2. >> V3: >> 1: use error_setg() instead of error_set() >> 2. Add a new block job API >> 3. Active disk, hidden disk and nbd target uses the same AioContext >> 4. Add a testcase to test new hbitmap API >> V2: >> 1. Redesign the secondary qemu(use image-fleecing) >> 2. Use Error objects to return error message >> 3. Address the comments from Max Reitz and Eric Blake >> >> Wen Congyang (10): >> unblock backup operations in backing file >> Store parent BDS in BdrvChild >> Backup: clear all bitmap when doing block checkpoint >> Allow creating backup jobs when opening BDS >> docs: block replication's description >> Add new block driver interfaces to control block replication >> quorum: implement block driver interfaces for block replication >> Implement new driver for block replication >> support replication driver in blockdev-add >> Add a new API to start/stop replication, do checkpoint to all BDSes >> >> block.c | 145 ++++++++++++ >> block/Makefile.objs | 3 +- >> block/backup.c | 14 ++ >> block/quorum.c | 78 +++++++ >> block/replication.c | 549 >> +++++++++++++++++++++++++++++++++++++++++++++ >> blockjob.c | 11 + >> docs/block-replication.txt | 227 +++++++++++++++++++ >> include/block/block.h | 9 + >> include/block/block_int.h | 15 ++ >> include/block/blockjob.h | 12 + >> qapi/block-core.json | 34 ++- >> 11 files changed, 1093 insertions(+), 4 deletions(-) >> create mode 100644 block/replication.c >> create mode 100644 docs/block-replication.txt >> >> -- >> 2.5.0 >> >> >> > -- > Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK > > > . >
