13 T3 Sun StorEdge of 9 disks each, RAID0, blocksize 16K, 1GB battery backed up
writebehind cache for Mail Store. Each Sun PCI Dual FC-AL Network Adapter connects
to 2 SUN FCAL 7 port hubs. Three Sun StorEdge T3 connects to one hub and four T3s
connect to the other hub for a total of seven T3s per Sun PCI Dual FC-AL Network Adapter.
1 T3 Sun StorEdge of 9 disks each, RAID0, blocksize 16K, 1GB battery backed up
writebehind cache for Messaging server.
1 Sun A5200 StorEdge with software RAID0, blocksize 16K for LDAP
Operating System Tuning Information:
set maxusers=2048: Number of concurrent users that will be on the system and
determines how much physical memory will be allocated to the kernel.
set maxphys=8388608: The largest single I/O transfer that may be issued to a raw device.
set rlim_fd_max=65536: Hard limit on the open file descriptors for a single process
set autoup=600: Controls the frequency in seconds of entire physical memory to
be scanned for dirty pages
set tune_t_fsflushr=1: Reduces fsflush daemon overhead
set ufs:ufs_HW=1572864: Limit the amount of I/O that may be outstanding to a
single file on a system-wide basis
set ufs:ufs_LW=1048576: When ufs_HW bytes are outstanding, I/O requests will
sleep until less than ufs_LW bytes are outstanding
set sq_max_size=512: The depth of the syncq (number of messages) before a
destination streams queue generates a QFULL
set segmap_percent=64: Amount of memory used to hold file system pages
set shmsys:shminfo_shmmax=0xffffffff: Maximum size in bytes of a shared memory segment
set semsys:seminfo_semmns=2200: Maximum number of semaphores in the system
set semsys:seminfo_semmnu=2200: Systemwide maximum number of semaphore undo structures
set semsys:seminfo_semmsl=340: Maximum number of semaphores per semaphore set
set semsys:seminfo_semmni=320: Establishes the maximum number of systemwide semaphore sets
set msgsys:msginfo_msgmax=16384: Maximum size a message can be, in bytes
set msgsys:msginfo_msgmnb=16384: Maximum number of bytes on a message queue
set msgsys:msginfo_msgmni=2200: Number of message queue identifiers
set msgsys:msginfo_msgtql=2500: Maximum number of message headers
set msgsys:msginfo_msgseg=32767: The number of units of space that can be allocated from
the memory map segment
set msgsys:msginfo_msgssz=128: Maximum message segment size
set msgsys:msginfo_msgmap=200: Number of entries in the message map
set tcp:tcp_conn_hash_size=262144
/usr/sbin/ndd -set /dev/tcp tcp_recv_hiwat 65536
/usr/sbin/ndd -set /dev/tcp tcp_xmit_hiwat 65536
/usr/sbin/ndd -set /dev/tcp tcp_conn_req_max_q 4096
/usr/sbin/ndd -set /dev/tcp tcp_conn_req_max_q0 8192
/usr/sbin/ndd -set /dev/tcp tcp_smallest_anon_port 8192
/usr/sbin/ndd -set /dev/ip ip_ignore_redirect 1
/usr/sbin/ndd -set /dev/tcp tcp_keepalive_interval 30000
/usr/sbin/ndd -set /dev/tcp tcp_naglim_def 1
/usr/sbin/ndd -set /dev/tcp tcp_mss_min 108
/usr/sbin/ndd -set /dev/ip ip_respond_to_echo_broadcast 0
/usr/sbin/ndd -set /dev/ip ip_forward_directed_broadcasts 0
/usr/sbin/ndd -set /dev/ip ip_strict_dst_multihoming 1
/usr/sbin/ndd -set /dev/ip ip_forwarding 0
/usr/sbin/ndd -set /dev/ip ip_forward_src_routed 0
/usr/sbin/ndd -set /dev/ip ip_respond_to_timestamp 0
/usr/sbin/ndd -set /dev/ip ip_respond_to_timestamp_broadcast 0
/usr/sbin/ndd -set /dev/tcp tcp_time_wait_interval 60000
MSL is 30 Seconds, TIME_WAIT is 60 Seconds, MTU is 1500 bytes
SMTP Tuning:
MIN_PROCS=240
MAX_PROCS=240
MIN_CONNS=20
MAX_CONNS=25
max_handoffs=100
STORE Tuning:
store.dbcachesize=640000000
store.dbtmpdir=/tmp/mboxlist
POP Tuning:
service.pop.numprocesses=7
LDAP Tuning:
nsslapd-dbcachesize=3600000000
Job Controller Tuning:
IMS-POOL job-limit=12
MAX_MESSAGES=1000000
Misc. Tunings:
local.ugldapbinddn='cn=Directory Manager'
service.authcacahesize=100000
MAX_INTERNAL_BLOCKS=10000
ims-ms maxjobs=12
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