HP-UX kernel parameters - 64bit CAE/EE



Tue Aug 27 13:44:17 2002

                          Current       Pending             Associated                                                                                              
Name                        Value         Value   Type      Module       Description                                                                                
NSTREVENT                      50            50   Static    N/A          Max Number of Outstanding Streams bufcalls                                                 
NSTRPUSH                       16            16   Static    N/A          Max Number of Streams Modules in Single Stream                                             
NSTRSCHED                       0             0   Static    N/A          Number of Streams Scheduler Daemons to Run                                                 
STRCTLSZ                     1024          1024   Static    N/A          Max Size of Streams Message Control (Bytes)                                                
STRMSGSZ                    65535         65535   Static    N/A          Max Size of Streams Message Data (Bytes)                                                   
acctresume                      4             4   Static    N/A          Threshold to Resume Accounting                                                             
acctsuspend                     2             2   Static    N/A          Threshold to Suspend Accounting                                                            
aio_listio_max                256           256   Static    N/A          Max No. of AIO Ops That Can Be Specified in lio_list Call                                  
aio_max_ops                  2048          2048   Static    N/A          Maximum No. of AIO Ops That Can Be Queued At Any Time                                      
aio_physmem_pct                10            10   Static    N/A          Percentage of Physical Memory Lockable for Request Call-Back Operations                    
aio_prio_delta_max             20            20   Static    N/A          Max Slowdown Factor; Greatest Delta Allowed in aiocb's aio_reqprio Field                   
allocate_fs_swapmap             0             0   Static    N/A          Allocate Swapmap Space at swapon                                                           
alwaysdump                      1             1   Static    N/A          Bit-Mask of Kernel Memory Pages Included in Dumps                                          
bufcache_hash_locks           128           128   Static    N/A          Buffer Cache Spinlock Pool Size                                                            
bufpages                        0             0   Static    N/A          Number of Buffer Pages                                                                     
chanq_hash_locks              256           256   Static    N/A          Channel Queue Spinlock Pool Size                                                           
core_addshmem_read              0             0   Dynamic   N/A          Boolean; If Set, Include Read-Protected Shared Memory Segments In Application Core File    
core_addshmem_write             0             0   Dynamic   N/A          Boolean; If Set, Include Write-Protected Shared Memory Segments In Application Core File   
create_fastlinks                0             1   Static    N/A          Create Fast Symbolic Links                                                                 
dbc_max_pct                    50            50   Static    N/A          Max Dynamic Buffer Cache Size as Percent of System RAM Size                                
dbc_min_pct                     5             5   Static    N/A          Min Dynamic Buffer Cache Size as Percent of System RAM Size                                
default_disk_ir                 1             1   Static    N/A          Immediate Report (Write Cache Enable) Behavior for SCSI Disks                              
disksort_seconds                0             0   Static    N/A          Maximum Wait Time For Disk Requests                                                        
dmp_rootdev_is_vol              0             0   Static    N/A          Unknown                                                                                    
dmp_swapdev_is_vol              0             0   Static    N/A          Unknown                                                                                    
dnlc_hash_locks               512           512   Static    N/A          Number of Locks For Directory Cache Synchronization                                        
dontdump                        0             0   Static    N/A          Bit-Mask of Kernel Memory Pages Excluded From Dumps                                        
dst                             1             1   Static    N/A          Daylight Savings Time Policy                                                               
effective_maxpid            30000         30000   Static    N/A          Maximum Allowed Process ID Value                                                           
enable_idds                     0             0   Static    N/A          (Boolean) Turns Off/On Intrusion Detection Data Source (IDDS) Kernel Subsystem             
eqmemsize                      15            15   Static    N/A          Minimum Number of Equivalently Mapped Memory Pages on the Reserve List                     
executable_stack                1             1   Static    N/A          Allows or denys program execution on the stack (security feature)                          
fcp_large_config                0             0   Static    N/A          Boolean; 0 If Small (<=64 Nodes) Loop, 1 if Large (<=126 Nodes) Loop                       
fs_async                        0             1   Static    N/A          Select Asynchronous Writes                                                                 
ftable_hash_locks              64            64   Static    N/A          File Table Spinlock Pool Size                                                              
hdlpreg_hash_locks            128           128   Static    N/A          Number (Given As Power of Two) of Spinlocks Allocated to Pregion Hash Table Objects        
hfs_max_ra_blocks               8             8   Static    N/A          Maximum Number of Read-Ahead Blocks Outstanding for HFS File Systems, in Blocks            
hfs_max_revra_blocks            8             8   Static    N/A          Maximum Number of Kbytes Read With Each Read-Ahead Operation for HFS File Systems          
hfs_ra_per_disk                64            64   Static    N/A          Amount of HFS File System Read-Ahead, in Kbytes                                            
hfs_revra_per_disk             64            64   Static    N/A          Maximum Number of HFS File System Blocks Read With Each Reverse Read-Ahead Operation       
hp_hfs_mtra_enabled             1             1   Static    N/A          Boolean; Enable/Disable HFS Multi-Threaded Read-Ahead                                      
initmodmax                     50            50   Static    N/A          Max No. of Kernel Modules Saved By System Crash Dump                                       
io_ports_hash_locks            64            64   Static    N/A          I/O Ports Spinlock Pool Size                                                               
ksi_alloc_max                2208          8352   Static    N/A          System-wide Limit of Queued Signal That Can be Allocated                                   
ksi_send_max                   32            32   Static    N/A          Max No. of Queued Signals a Process May Send and Have Pending at Receiver(s)               
max_async_ports                50            50   Static    N/A          Maximum Number of asyncdsk Ports That Can be Open At One Time                              
max_fcp_reqs                  512           512   Static    N/A          Maximum Number of Concurrent Fiber Channel Requests Per Adapter                            
max_mem_window                  0             0   Static    N/A          Maximum Number of Memory Windows Configurable By User                                      
max_thread_proc                64            64   Static    N/A          Max No. of Threads Allowed in Each Process                                                 
maxdsiz                 268435456    3221225472   Static    N/A          Max Data Segment Size For 32-bit Processes (Bytes)                                         
maxdsiz_64bit          1073741824   17179869184   Static    N/A          Max Data Segment Size For 64-bit Processes (Bytes)                                         
maxfiles                       60           200   Static    N/A          Soft File Limit Per Process                                                                
maxfiles_lim                 1024          2048   Dynamic   N/A          Hard File Limit Per Process                                                                
maxssiz                   8388608      83570688   Static    N/A          Max Stack Segment Size For 32-bit Processes (Bytes)                                        
maxssiz_64bit             8388608     268435456   Static    N/A          Max Stack Segment Size For 64-bit Processes (Bytes)                                        
maxswapchunks                 512          4096   Static    N/A          Max Number of Swap Chunks                                                                  
maxtsiz                  67108864    1073741824   Dynamic   N/A          Max Text Segment Size For 32-bit Processes (Bytes)                                         
maxtsiz_64bit          1073741824    4294967296   Dynamic   N/A          Max Text Segment Size For 64-bit Processes (Bytes)                                         
maxuprc                        75           256   Dynamic   N/A          Max Number of User Processes                                                               
maxusers                       32           128   Static    N/A          Value of MAXUSERS Macro (Does Not Affect Max. User Logins)                                 
maxvgs                         10            10   Static    N/A          Max Number of Volume Groups                                                                
mesg                            1             1   Static    N/A          Enable Sys V Messages                                                                      
modstrmax                     500           500   Static    N/A          Max Size (Bytes) of Kernel-Module Savecrash Table                                          
msgmap                         42            42   Static    N/A          Max Number of Message Map Entries                                                          
msgmax                       8192          8192   Dynamic   N/A          Message Max Size (bytes)                                                                   
msgmnb                      16384         16384   Dynamic   N/A          Max Number of Bytes on Message Queue                                                       
msgmni                         50            50   Static    N/A          Number of Message Queue Identifiers                                                        
msgseg                       2048          2048   Static    N/A          Number of Segments Available for Messages                                                  
msgssz                          8             8   Static    N/A          Message Segment Size                                                                       
msgtql                         40            40   Static    N/A          Number of Message Headers                                                                  
nbuf                            0             0   Static    N/A          Number of Buffer Cache Headers                                                             
ncallout                      515          1859   Static    N/A          Max Number of Pending Timeouts                                                             
ncdnode                       150           150   Static    N/A          Max Number of Open CDFS Files                                                              
nclist                        612          2148   Static    N/A          Number of cblocks for pty and tty Data Transfers                                           
ncsize                       5596          9120   Static    N/A          Directory Name Lookup Cache (DNLC) Space Needed for Inodes                                 
ndilbuffers                    30            30   Static    N/A          Number of DIL Buffers                                                                      
nfile                         910          2852   Static    N/A          Max Number of Open Files                                                                   
nflocks                       200           200   Static    N/A          Max Number of File Locks                                                                   
ninode                        476          4000   Static    N/A          Max Number of Open Inodes                                                                  
nkthread                      499          1843   Static    N/A          Max Number of Kernel Threads Supported by the System                                       
no_lvm_disks                    0             0   Static    N/A          Boolean; Set Only If System Has No LVM Disks                                               
nproc                         276          1044   Static    N/A          Max Number of Processes                                                                    
npty                           60           200   Static    N/A          Number of ptys (Pseudo ttys)                                                               
nstrpty                        60           200   Static    N/A          Max Number of Streams-Based PTYs                                                           
nstrtel                        60            60   Static    N/A          Number of Telnet Session Device Files                                                      
nswapdev                       10            10   Static    N/A          Max Devices That Can be Enabled for Swap                                                   
nswapfs                        10            10   Static    N/A          Max File Systems That Can be Enabled for Swap                                              
nsysmap                       800          2088   Static    N/A          Number of Entries in Kernel Dynamic Memory Allocation Map                                  
nsysmap64                     800          2088   Static    N/A          Number of Entries in Kernel Dynamic Memory Allocation Map                                  
o_sync_is_o_dsync               0             0   Static    N/A          Enable/Disable Translation of O_SYNC to O_DSYNC in open(2)/fcntl(2) Calls                  
pfdat_hash_locks              128           128   Static    N/A          Pfdat Spinlock Pool Size                                                                   
public_shlibs                   1             1   Static    N/A          Public Shared Libraries                                                                    
region_hash_locks             128           128   Static    N/A          Region Spinlock Pool Size                                                                  
remote_nfs_swap                 0             0   Static    N/A          Enable Swapping Across NFS                                                                 
rtsched_numpri                 32            32   Static    N/A          Number of POSIX.1b Realtime Priorities to Support                                          
scroll_lines                  100           100   Static    N/A          Number of ITE Off Screen Lines                                                             
scsi_max_qdepth                 8             8   Dynamic   N/A          Maximum Number of SCSI Commands Queued Up For SCSI Devices                                 
scsi_maxphys              1048576       1048576   Static    N/A          Maximum Record Size For SCSI I/O Subsystem, In Bytes                                       
sema                            1             1   Static    N/A          Enable Sys V Semaphores                                                                    
semaem                      16384         16384   Static    N/A          Max Value for Adjust on Exit Semaphores                                                    
semmap                         66            66   Static    N/A          Max Number of Semaphore Map Entries                                                        
semmni                         64            64   Static    N/A          Number of Semaphore Identifiers                                                            
semmns                        128           128   Static    N/A          Max Number of Semaphores                                                                   
semmnu                         30            30   Static    N/A          Number of Semaphore Undo Structures                                                        
semmsl                       2048          2048   Dynamic   N/A          Maximum Number of Semaphores Per ID                                                        
semume                         10            10   Static    N/A          Semaphore Undo Entries Per Process                                                         
semvmx                      32767         32767   Static    N/A          Semaphore Maximum Value                                                                    
sendfile_max                    0             0   Static    N/A          Max No. of Buffer Cache Pages Usable by sendfile System Call                               
shmem                           1             1   Static    N/A          Enable Sys V Shared Memory                                                                 
shmmax                   67108864    1073741824   Dynamic   N/A          Max Shared Mem Segment (Bytes)                                                             
shmmni                        200           200   Static    N/A          Number of Shared Memory Identifiers                                                        
shmseg                        120           120   Dynamic   N/A          Shared Memory Segments Per Process                                                         
st_ats_enabled                  0             0   Static    N/A          Boolean; If Set, SCSI Tape Open Will Try To Reserve The Tape Device                        
st_fail_overruns                0             0   Static    N/A          Boolean; If Set, SCSI Tape Read Resulting In Data Overrun Causes Failure                   
st_large_recs                   0             0   Static    N/A          Boolean; If Set, Enables Large Record Support For SCSI Tape                                
streampipes                     0             0   Static    N/A          Force All Pipes to be Streams-Based                                                        
swapmem_on                      1             1   Static    N/A          Allow Memory to Exceed Swap Space                                                          
swchunk                      2048          2048   Static    N/A          Swap Chunk Size (1K Blocks)                                                                
sysv_hash_locks               128           128   Static    N/A          System V IPC Spinlock Pool Size                                                            
tcphashsz                       0             0   Static    N/A          TCP Hash Table Size, in Bytes                                                              
timeslice                      10            10   Static    N/A          Scheduling Interval (10 mS Ticks)                                                          
timezone                      420           420   Static    N/A          Minutes West of Greenwich                                                                  
unlockable_mem                  0             0   Static    N/A          Non-Lockable Memory (4096-Byte Pages)                                                      
vas_hash_locks                128           128   Static    N/A          VAS Spinlock Pool Size                                                                     
vnode_cd_hash_locks           128           128   Static    N/A          Vnode Clean/Dirty Spinlock Pool Size                                                       
vnode_hash_locks              128           128   Static    N/A          Vnode Spinlock Pool Size                                                                   
vol_checkpt_default         10240         10240   Static    N/A          Unknown                                                                                    
vol_default_iodelay            50            50   Static    N/A          Unknown                                                                                    
vol_fmr_logsz                   4             4   Static    N/A          Unknown                                                                                    
vol_max_bchain                 32            32   Static    N/A          Unknown                                                                                    
vol_max_nconfigs               20            20   Static    N/A          Unknown                                                                                    
vol_max_nlogs                  20            20   Static    N/A          Unknown                                                                                    
vol_max_nmpool_sz         4194304       4194304   Static    N/A          Unknown                                                                                    
vol_max_prm_dgs              1024          1024   Static    N/A          Unknown                                                                                    
vol_max_rdback_sz         4194304       4194304   Static    N/A          Unknown                                                                                    
vol_max_vol               8388608       8388608   Static    N/A          Unknown                                                                                    
vol_maxio                     256           256   Static    N/A          Unknown                                                                                    
vol_maxioctl                32768         32768   Static    N/A          Unknown                                                                                    
vol_maxkiocount              2048          2048   Static    N/A          Unknown                                                                                    
vol_maxparallelio             256           256   Static    N/A          Unknown                                                                                    
vol_maxspecialio              256           256   Static    N/A          Unknown                                                                                    
vol_maxstablebufsize          256           256   Static    N/A          Unknown                                                                                    
vol_min_lowmem_sz          524288        524288   Static    N/A          Unknown                                                                                    
vol_mvr_maxround              256           256   Static    N/A          Unknown                                                                                    
vol_rootdev_is_vol              0             0   Static    N/A          Unknown                                                                                    
vol_subdisk_num              4096          4096   Static    N/A          Unknown                                                                                    
vol_swapdev_is_vol              0             0   Static    N/A          Unknown                                                                                    
vol_vvr_transport               1             1   Static    N/A          Unknown                                                                                    
volcvm_cluster_size            16            16   Static    N/A          Unknown                                                                                    
volcvm_smartsync                1             1   Static    N/A          Unknown                                                                                    
voldrl_max_drtregs           2048          2048   Static    N/A          Unknown                                                                                    
voldrl_min_regionsz           512           512   Static    N/A          Unknown                                                                                    
voliomem_chunk_size         65536         65536   Static    N/A          Unknown                                                                                    
voliomem_maxpool_sz       4194304       4194304   Static    N/A          Unknown                                                                                    
voliot_errbuf_dflt          16384         16384   Static    N/A          Unknown                                                                                    
voliot_iobuf_default         8192          8192   Static    N/A          Unknown                                                                                    
voliot_iobuf_limit         131072        131072   Static    N/A          Unknown                                                                                    
voliot_iobuf_max            65536         65536   Static    N/A          Unknown                                                                                    
voliot_max_open                32            32   Static    N/A          Unknown                                                                                    
volraid_rsrtransmax             1             1   Static    N/A          Unknown                                                                                    
vps_ceiling                    16            16   Static    N/A          Maximum System-Selected Page Size (in Kbytes)                                              
vps_chatr_ceiling         1048576       1048576   Static    N/A          Maximum chatr-Selected Page Size (in Kbytes)                                               
vps_pagesize                    4             4   Static    N/A          Default User Page Size (in Kbytes)                                                         
vx_fancyra_enable               0             0   Static    N/A          Boolean; If Set, Enables VXFS File System Read-Ahead                                       
vx_ncsize                    1024          1024   Static    N/A          Directory Name Lookup Cache (DNLC) Space Needed for VxFS Inodes                            
vxfs_max_ra_kbytes           1024          1024   Static    N/A          Maximum Amount of VxFS File System Read-Ahead Outstanding, in Kbytes                       
vxfs_ra_per_disk             1024          1024   Static    N/A          Amount of VxFS File System Read-Ahead, in Kbytes                                           
vxtask_max_monitors            32            32   Static    N/A          Unknown                                                                                    




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