ASM隐藏参数列表

NAME SDESC
————————————————– —————————————-
_asm_access ASM File access mechanism
_lm_asm_enq_hashing if TRUE makes ASM use enqueue master has
hing for fusion locks

_ges_diagnostics_asm_dump_level systemstate level on global enqueue diag
nostics blocked by ASM

_asm_runtime_capability_volume_support runtime capability for volume support re
turns supported

_asm_disable_multiple_instance_check Disable checking for multiple ASM instan
ces on a given node

_asm_disable_amdu_dump Disable AMDU dump
_asmsid ASM instance id
_asm_global_dump_level System state dump level for ASM asserts
_remote_asm_publish_caps Publish instance type in SQLPLUS
_remote_asm remote ASM configuration
_asm_allow_system_alias_rename if system alias renaming is allowed
_asm_instlock_quota ASM Instance Lock Quota
asm_diskstring disk set locations for discovery
_asm_disk_repair_time seconds to wait before dropping a failin
g disk

asm_preferred_read_failure_groups preferred read failure groups
_asm_disable_profilediscovery disable profile query for discovery
_asm_imbalance_tolerance hundredths of a percentage of inter-disk
imbalance to tolerate

_asm_shadow_cycle Inverse shadow cycle requirement
_asm_primary_load_cycles True if primary load is in cycles, false
if extent counts

_asm_primary_load Number of cycles/extents to load for non
-mirrored files

_asm_secondary_load_cycles True if secondary load is in cycles, fal
se if extent counts

_asm_secondary_load Number of cycles/extents to load for mir
rored files

asm_diskgroups disk groups to mount automatically
asm_diskgroups2 disk groups to mount automatically set 2
asm_diskgroups3 disk groups to mount automatically set 3
asm_diskgroups4 disk groups to mount automatically set 4
asm_power_limit number of parallel relocations for disk
rebalancing

_asm_log_scale_rebalance Rebalance power uses logarithmic scale
_asm_sync_rebalance Rebalance uses sync I/O
_asm_ausize allocation unit size
_asm_blksize metadata block size
_asm_acd_chunks initial ACD chunks created
_asm_partner_target_disk_part target maximum number of disk partners f
or repartnering

_asm_partner_target_fg_rel target maximum number of failure group r
elationships for repartnering

_asm_automatic_rezone automatically rebalance free space acros
s zones

_asm_rebalance_plan_size maximum rebalance work unit
_asm_rebalance_space_errors number of out of space errors allowed be
fore aborting rebalance

_asm_libraries library search order for discovery
_asm_maxio Maximum size of individual I/O request
_asm_allow_only_raw_disks Discovery only raw devices
_asm_fob_tac_frequency Timeout frequency for FOB cleanup
_asm_emulate_nfs_disk Emulate NFS disk test event
_asm_allow_lvm_resilvering Enable disk resilvering for external red
undancy

_asm_lsod_bucket_size ASM lsod bucket size
_asm_iostat_latch_count ASM I/O statistics latch count
_asm_disable_smr_creation Do Not create smr
_asm_wait_time Max/imum time to wait before asmb exits
_asm_skip_diskval_check skip client side discovery for disk reva
lidate

_asm_skip_resize_check skip the checking of the clients for s/w
compatibility for resize

_asm_skip_rename_check skip the checking of the clients for s/w
compatibility for rename

_asm_direct_con_expire_time Expire time for idle direct connection t
o ASM instance

_asm_check_for_misbehaving_cf_clients check for misbehaving CF-holding clients
_asm_diag_dead_clients diagnostics for dead clients
_asm_disable_ufg_dump disable terminated umbilicus diagnostic
_asm_reserve_slaves reserve ASM slaves for CF txns
_asm_kill_unresponsive_clients kill unresponsive ASM clients
_asm_disable_async_msgs disable async intra-instance messaging
_asm_remote_client_timeout timeout before killing disconnected remo
te clients

_asm_allow_unsafe_reconnect attempt unsafe reconnect to ASM
_asm_disable_ufgmemberkill disable ufg member kill
_asm_nodekill_escalate_time secs until escalating to nodekill if fen
ce incomplete

_asm_healthcheck_timeout seconds until health check takes action
_asm_stripewidth ASM file stripe width
_asm_stripesize ASM file stripe size
_asm_random_zone Random zones for new files
_asm_serialize_volume_rebalance Serialize volume rebalance
_asm_force_quiesce Force diskgroup quiescing
_asm_dba_threshold ASM Disk Based Allocation Threshold
_asm_dba_batch ASM Disk Based Allocation Max Batch Size
_asm_dba_spcchk_thld ASM Disk Based Allocation Space Check Th
reshold

_asm_usd_batch ASM USD Update Max Batch Size
_asm_fail_random_rx Randomly fail some RX enqueue gets
_asm_max_redo_buffer_size asm maximum redo buffer size
_asm_max_cod_strides maximum number of COD strides
_asm_evenread ASM Even Read level
_asm_evenread_alpha ASM Even Read Alpha
_asm_evenread_alpha2 ASM Even Read Second Alpha
_asm_evenread_faststart ASM Even Read Fast Start Threshold
_asm_noevenread_diskgroups List of disk groups having even read dis
abled

_asm_networks ASM network subnet addresses
_asm_dbmsdg_nohdrchk dbms_diskgroup.checkfile does not check
block headers

_asm_root_directory ASM default root directory
_asm_allowdegeneratemounts Allow force-mounts of DGs w/o proper quo
rum

_asm_hbeatiowait number of secs to wait for PST Async Hbe
at IO return

_asm_hbeatwaitquantum quantum used to compute time-to-wait for
a PST Hbeat check

_asm_repairquantum quantum (in 3s) used to compute elapsed
time for disk drop

_asm_emulmax max number of concurrent disks to emulat
e I /O errors

_asm_emultimeout timeout before emulation begins (in 3s t
icks)

_asm_kfdpevent KFDP event
_asm_storagemaysplit PST Split Possible
_asm_avoid_pst_scans Avoid PST Scans
_asm_compatibility default ASM compatibility level
_asm_proxy_startwait Maximum time to wait for ASM proxy conne
ction

_asm_admin_with_sysdba Does the sysdba role have administrative
privileges on ASM?

_asm_allow_appliance_dropdisk_noforce Allow DROP DISK/FAILUREGROUP NOFORCE on
ASM Appliances

_asm_appliance_config_file Appliance configuration file name
_asm_scrub_limit ASM disk scrubbing power

 

 

 

关注dbDao.com的新浪微博

扫码关注dbDao.com 微信公众号:

Speak Your Mind

TEL/電話+86 13764045638
Email service@parnassusdata.com
QQ 47079569