-b number |
|
-o numfsbuf=number |
Sets the number of file system bufstructs. |
-B number |
|
-o hd_pbuf_cnt=number |
This parameter has been replaced with the pv_min_pbuf parameter. |
-c number |
|
-o numclust=number |
Sets the number of 16 KB clusters processed
by write behind. |
-C 0|1 |
-r -o pagecoloring=0|1 |
|
Disables or enables page coloring for specific
hardware platforms. |
-d 0|1 |
-o deffps=0|1 |
|
Turns deferred paging space allocation on and
off. |
-e 0|1 |
|
-o jfs_clread_enabled=0|1 |
Controls whether JFS uses clustered reads on
all files. |
-E 0|1 |
|
-o jfs_use_read_lock=0|1 |
Controls whether JFS uses a shared lock when
reading from a file. |
-f number |
-o minfree=number |
|
Sets the number of frames on the free list. |
-F number |
-o maxfree=number |
|
Sets the number of frames on the free list at
which to stop frame stealing. |
-g number |
-o lgpg_size number |
|
Sets the size, in bytes, of the hardware-supported
large pages |
-H number |
|
-o pgahd_scale_thresh=number |
Sets the number of free pages in a mempool under
which the system scales back read-ahead. |
-i number |
-r -o spec_dataseg_int=number |
|
Sets the interval to use when reserving the
special data segment identifiers. |
-j number |
|
-o j2_nPagesPerWriteBehindCluster= number |
Sets the number of pages per write-behind cluster. |
-J number |
|
-o j2_maxRandomWrite=number |
Sets the random-write threshold count. |
-k number |
-o npskill=number |
|
Sets the number of paging space pages at which
to begin killing processes. |
-l number |
-o lrubucket=number |
|
Sets the size of the least recently used page
replacement bucket size. |
-L number |
-o lgpg_regions=number |
|
Sets the number of large pages to be reserved. |
-M number |
-o maxpin=number |
|
Sets the maximum percentage of real memory that
can be pinned. |
-n number |
-o nokilluid=number |
|
Specifies the uid range of processes
that should not be killed when paging space is low. |
-N number |
|
-o pd_npages=number |
Sets the number of pages that should be deleted
in one chunk from RAM when a file is deleted. |
-p number |
-o minperm%=number |
|
Sets the point below which file pages are protected
from the repage algorithm. |
-P number |
-o maxperm%=number |
|
Sets the point above which the page stealing
algorithm steals only file pages. |
-q number |
|
-o j2_minPageReadAhead=number |
Sets the minimum number of pages to read ahead. |
-Q number |
|
-o j2_maxPageReadAhead=number |
Sets the maximum number of pages to read ahead. |
-r number |
|
-o minpgahead=number |
Sets the number of pages with which sequential
read-ahead starts. |
-R number |
|
-o maxpgahead=number |
Sets the maximum number of pages to be read-ahead. |
-s 0|1 |
|
-o sync_release_ilock=0|1 |
Enables or disables the code that minimizes
the time spent holding the inode lock during sync. |
-S 0|1 |
-o v_pinshm=0|1 |
|
Enables or disables the SHM_PIN flag
on the shmget system call. |
-t number |
-o maxclient%=number |
|
Sets the point above which the page stealing
algorithm steals only client file pages. |
-T number |
-o pta_balance_threshold= number |
|
Sets the point at which a new PTA segment is
allocated. |
-u number |
-o lvm_bufcnt=number |
|
Sets the number of LVM buffers for raw physical
I/Os. |
-v number |
-r -o framesets=number |
|
Sets the number of framesets per memory pool. |
-V number |
-r -o num_spec_dataseg= number |
|
Sets the number of special data segment identifiers
to reserve |
-w number |
-o npswarn=number |
|
Sets the number of free paging space pages at
which the SIGDANGER signal is sent to processes. |
-W number |
|
-o maxrandwrt=number |
Sets a threshold for random writes to accumulate
in RAM before pages are synchronized to disk using a write-behind
algorithm. |
-y 0|1 |
-r -o memory_affinity=0|1 |
|
This parameter does not exist. Memory affinity
is always on if the hardware supports it. |
-z number |
|
-o j2_nRandomCluster=number |
Sets random write threshold distance. |
-Z number |
|
-o j2_nBufferPerPagerDevice= number |
Sets the number of buffers per pager device. |