This patch series implements Online Capacity Expansion (OLCE) feature in mdadm devel3.2. for Raid5 and Raid0.
This is implemented as reshape of whole container (all arrays that belongs to container are reshaped).
Raid0 reshape is implemented using takeover to raid4 transition.
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Adam Kwolek (31):
Raid0: detect reshape on array start
Raid0: Reload disk list on 'next' raid0 array
Raid0: Run 'next' reshapes without meta update
imsm: FIX: do not repair raid4 arrays
Raid0: execute backward takeover
Detect level change
Take in mind takeover during disk add
imsm: Update raid0 metadata for reshape
imsm: Move reshape update processing to function
Add spares to raid0 in mdadm
imsm: Update metadata for second array
Set array size after adding new disks
imsm: update array size information in metadata
FIX: Initialize subarray variable in reshape_array
imsm: FIX: Division by 0
imsm: Finalize reshape in metadata
Finalize reshape after adding disks to array
imsm: FIX: Fill sys_name in container_content()
FIX: Use sysfs to change array parameters
FIX: added disks are not used by reshape process /md/
FIX: change adding disks criteria
FIX: Get array information in reshape_array()
imsm: FIX: support general migration by getinfo_super_imsm_volume
FIX: Arrays cannot be opened exclusively
imsm: FIX: update first array in container only
FIX: get updated information from metadata
imsm: FIX: Do not update anchor directly
imsm: FIX: Perform first metadata update for container operation
imsm: FIX: display error message
imsm: FIX: display correct information for '-E' option
mdadm: second_map enhancement for imsm_get_map()
Krzysztof Wojcik (3):
FIX: Position calculation in mdstat_by_subdev
FIX: Change size condition in imsm_reshape_is_allowed_on_container
Manage reshape process in manage_reshape vector.
Grow.c | 174 ++++++++++++------
Manage.c | 13 -
managemon.c | 12 +
mdstat.c | 4
monitor.c | 20 ++
super-intel.c | 561 ++++++++++++++++++++++++++++++++++++++++++---------------
6 files changed, 576 insertions(+), 208 deletions(-)
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