Hi Neil, Sorry, I forgot to add V4 label in the subject. Thanks, Guoqing Guoqing Jiang wrote: > V4 changes: > 1. update documation for syntax correct and add missed infos > 2. code modification for remove duplicated code and coding style etc > 3. make cluster name only appear in bitmap > 4. add UUIDUpdate handling to write_bitmap0 > > V3 changes: > 1. re-orgnize some codes to ensure mdadm compiles after each patch is applied > 2. change the code for super1.c for first patch since it has side effect for > non-cluster condition > > V2 changes: > 1. re-arrange the squence of patches > 2. add some memembers into sb_le_to_cpu > 3. handle some logic change and comments from Neil > > Basic background for Cluster MD: Cluster MD is a shared-device RAID for a > cluster, currently, the implementation is limited to RAID1 but with further > work (and some positive feedback), it could be extend to other RAID levels. > > The kernel part code of cluster-md has been sent to maillist several month > ago by Goldywyn, and to make cluster-md works, the mdadm tools also need to > do some changes accordingly. > > This patch set extends mdadm tool to aware cluster MD scenario, and handle > related cluster-md scenario. > > 1. the first part (0001-0007) comes from Goldwyn, which add initial > support for cluster-md, those changes included make mdadm awares nodes, > home-cluster and n bitmaps for clustered mode, also let mdadm can > confirm disk which is added by another node. > > > 2. the second part is for support change cluster-name and node nums under > assemble mode. Which extend write-bitmap to handle above cases, and also > use the extended write_bitmap for update uuid. [PATCH V2 10/10] is just compiled > test only. > > BTW: this series could be apply on top of commit "2a6493 Grow: fix a couple of typos". > > Some reltated links: > [1] http://marc.info/?l=linux-raid&m=141891941330336&w=2 > [2] http://marc.info/?l=linux-raid&m=141935561418770&w=2 > > Guoqing Jiang (11): > Create n bitmaps for clustered mode > Add nodes option while creating md > home-cluster while creating an array > Show all bitmaps while examining bitmap > Add a new clustered disk > Convert a bitmap=none device to clustered > Skip clustered devices in incremental > mdadm: add the ability to change cluster name > mdadm: change the num of cluster node > Reuse calc_bitmap_size to reduce code size > Reuse the write_bitmap for update uuid > > Assemble.c | 12 ++++-- > Create.c | 5 ++- > Grow.c | 12 ++++-- > Incremental.c | 5 +++ > Makefile | 1 + > Manage.c | 39 ++++++++++++++++-- > ReadMe.c | 3 ++ > bitmap.c | 71 +++++++++++++++++++-------------- > bitmap.h | 7 +++- > config.c | 27 ++++++++++++- > md_p.h | 7 ++++ > md_u.h | 1 + > mdadm.8.in | 42 +++++++++++++++++++- > mdadm.c | 64 ++++++++++++++++++++++++++++-- > mdadm.h | 20 +++++++++- > super0.c | 15 ++++++- > super1.c | 125 ++++++++++++++++++++++++++++++++++++++++++++++------------ > util.c | 60 ++++++++++++++++++++++++++++ > 18 files changed, 438 insertions(+), 78 deletions(-) > > -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
