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Kfod tool to inspect ASM disk in Exadata environment

Oracle kfod command line tool for ASM disk inspection:

kfod tool is located in grid home's bin directory.

List optinos for kfod toll using

$kfod -h
_asm_a/llow_only_raw_disks              KFOD allow only raw devices [_asm_allow_only_raw_disks=(TRUE)/FALSE]
_asm_l/ibraries         ASM Libraries[_asm_libraries=lib1,lib2,...]
_asms/id                ASM Instance[_asmsid=sid]
_b/oot          Running in pre-install env (boot=TRUE/FALSE)
_f/lexinfo              Provide flexinfo      (_flexinfo=TRUE/FALSE)
_p/atch_lib             Patchlib [_patch_lib=<asmclntsh_path>]
_u/ser          OS Username
asm_/diskstring         ASM Diskstring [asm_diskstring=discoverystring, discoverystring ...]
asmc/ompatibility               Include diskgroup ASM compatibility [asmcompatibility=TRUE/(FALSE)]
cli/ent_cluster         client cluster name
clus_/version           cluster version
clust/er                KFOD cluster [cluster=TRUE/(FALSE)]
db_/unique_name         db_unique_name for ASM instance[db_unique_name=dbname]
dbc/ompatibility                Include diskgroup DB compatibility [dbcompatibility=TRUE/(FALSE)]
disk_/access            Disk access method [disk_access=DIRECT/(INDIRECT)]
disks           Disks to discover [disks=raw,asm,badsize,all]
ds/cvgroup              Include group name [dscvgroup=TRUE/(FALSE)]
f/orce          Force option to delete files (force=TRUE/FALSE)
g/roup          Disks in diskgroup [group=diskgroup]
h/ostlist               hostlist[hostlist=host1,host2,...]
metadata_a/usize                AU Size for Metadata Size Calculation
metadata_c/lients               Client Count for Metadata Size Calculation
metadata_d/isks         Disk Count for Metadata Size Calculation
metadata_n/odes         Node Count for Metadata Size Calculation
metadata_r/edundancy            Redundancy for Metadata Size Calculation
na/me           Include disk name [name=TRUE/(FALSE)]
no/hdr          KFOD header suppression [nohdr=TRUE/(FALSE)]
ol/r            Import credentials to OLR [olr=TRUE/(FALSE)]
op              KFOD options type [OP=DISKS/CANDIDATES/MISSING/GROUPS/INSTS/VERSION/PATCHES/PATCHLVL/CLIENTS/RM/RMVERS/DFLTDSTR/GPNPDSTR/METADATA/CREDCRECLUS/GETCLSTYPE/CREDEXPORT/GETASMGUID/CREDDELCLUS/CREDVERIFY/UPGRADEVERIFY/LSCC/ALL]
p/file          ASM parameter file [pfile=parameterfile]
r/im_disk_access                Rim disk access method [rim_disk_access=DIRECT/(INDIRECT)]
s/tatus         Include disk header status [status=TRUE/(FALSE)]
v/erbose                KFOD verbose errors [verbose=TRUE/(FALSE)]
w/rap           wrap file for credentials
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