* New method volume_raid_info() to query RAID type, disk count,
minimum I/O size, optimal I/O size.
* These plugins support this new method:
* sim
# Simple return UNKNOWN
* simc
# Simple set UNKNOWN on output parameter.
* MegaRAID
* The C library part might be buggy considering my C skill set.
* Potential support by other plugin:
* Targetd:
We could use PE size of LVM for minimum I/O size and strip size.
And set RAID type as JBOD and extent count as 1.
Once LVM RAID supported, it could provide real RAID type and other
information.
* SMI-S:
In SMI-S spec, each StorageVolume has StorageSetting associated,
but no definition mentioned ExtentStripeLength is the optimal I/O
size. In stead of guess or mess with SNIA, simply 'no support' would
works better.
* ONTAP:
Patch for ONTAP plugin is ready but not included in this patch set
since that was based on my test and guess.
Waiting NetApp's official answer about their optimal I/O size.
* Nstor:
No document found about strip settings.
* This is the best design and naming scheme I got.
PLEASE let me know if you got better.
Thank you very much in advance.
Changes in V2:
* Patch 6/13 and 10/13:
Tony introduced a new way for plugin to register newly added API with
full backward compatibility. Simulator C plugin implemented this change.
* Patch 10/13:
Add missing capability LSM_CAP_VOLUME_RAID_INFO
Changes in V3:
* Patch 6/13:
Another approach to register newly added API with full backward
compatibility:
* New struct lsm_ops_v1_2:
Free to change during version 1.2 development phase.
Will frozen it once 1.2 released.
* New plugin register method: lsm_register_plugin_v1_2()
It takes all arguments required by old lsm_register_plugin_v1()
addition to struct lsm_ops_v1_2 pointer.
* Once version 1.2 released, we could work on struct lsm_ops_v1_3 and
lsm_register_plugin_v1_3().
* Patch 9/13:
Full volume_raid_info() support in simulator plugin.
Changes in V4:
* Included Tony's bug fix patch for C API:
[PATCH] lsm_plugin_ipc.cpp: Bug Fix, using san_ops for fs_ops
* Included ONTAP plugin support.
* Patch 4/15 and 5/15:
* Changed the value of these constants from -1 to 0 to align with
libblkid/sysfs:
* Volume.STRIP_SIZE_UNKNOWN
* Volume.MIN_IO_SIZE_UNKNOWN
* Volume.OPT_IO_SIZE_UNKNOWN
* Volume.EXTENT_COUNT_UNKNOWN
* LSM_VOLUME_STRIP_SIZE_UNKNOWN
* LSM_VOLUME_EXTENT_COUNT_UNKNOWN
* LSM_VOLUME_MIN_IO_SIZE_UNKNOWN
* LSM_VOLUME_OPT_IO_SIZE_UNKNOWN
* Patch 5/15:
* Add LSM_FLAG_UNUSED_CHECK in public lsm_volume_raid_info() function.
* Patch 6/15:
* Removed unneeded import 'Volume' from simulator.py.
Changes in V5:
* Change output argument name from 'extent_count' to 'disk_count' as
it fit the most common expectation on RAID. Please check patch 3/15
for detail.
* Change constant name:
* 'Volume.EXTENT_COUNT_UNKNOWN' -> 'Volume.DISK_COUNT_UNKNOWN'
* LSM_VOLUME_EXTENT_COUNT_UNKNOWN -> LSM_VOLUME_DISK_COUNT_UNKNOWN
* Change C API these output arguments data type from 'int32_t' to 'uint32_t':
* strip_size
* disk_count
* min_io_size
* opt_io_size
* Sync plugins for this change.
Gris Ge (14):
Python Library: Fix decorator problem with docstrings
Python Library: New method volume_raid_info()
C Library: New method lsm_volume_raid_info()
lsmcli: Add volume_raid_info() support.
lsmcli Test: Add test for volume-raid-info command.
C Unit Test: Add test for lsm_volume_raid_info() method
Constant Test: Fix missing constant with number in it.
Simulator Plugin: Add volume_raid_info() support
Simulator C Plugin: Add lsm_volume_raid_info() support.
MegaRAID plugin: Add pools() method support.
MegaRAID Plugin: Add volumes() support.
MegaRAID Plugin: Add Disk.STATUS_RECONSTRUCT support.
MegaRAID Plugin: Add volume_raid_info() support.
ONTAP Plugin: Add volume_raid_info() support.
Tony Asleson (1):
lsm_plugin_ipc.cpp: Bug Fix, using san_ops for fs_ops
c_binding/include/libstoragemgmt/libstoragemgmt.h | 20 ++
.../libstoragemgmt/libstoragemgmt_capabilities.h | 3 +
.../libstoragemgmt/libstoragemgmt_plug_interface.h | 55 ++++++
.../include/libstoragemgmt/libstoragemgmt_types.h | 43 ++++
c_binding/lsm_datatypes.hpp | 1 +
c_binding/lsm_mgmt.cpp | 48 +++++
c_binding/lsm_plugin_ipc.cpp | 86 ++++++--
plugin/megaraid/megaraid.py | 220 ++++++++++++++++++++-
plugin/ontap/na.py | 8 +-
plugin/ontap/ontap.py | 55 ++++--
plugin/sim/simarray.py | 149 +++++++++-----
plugin/sim/simulator.py | 3 +
plugin/simc/simc_lsmplugin.c | 33 +++-
python_binding/lsm/_client.py | 103 ++++++++++
python_binding/lsm/_common.py | 1 +
python_binding/lsm/_data.py | 42 ++++
test/cmdtest.py | 21 ++
test/tester.c | 30 +++
tools/lsmcli/cmdline.py | 18 +-
tools/lsmcli/data_display.py | 58 ++++++
tools/utility/check_const.pl | 6 +-
21 files changed, 912 insertions(+), 91 deletions(-)
--
1.8.3.1
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