Hey!
The performance on our TSM server is going down rapidly. It is on os/390
at level 5.2.2.5.
I have the following settings:
Server Option Option Setting Server Option Option Setting
----------------- -------------------- -----------------
--------------------
CommTimeOut 600 IdleTimeOut 90
BufPoolSize 135168 LogPoolSize 4096
DateFormat 1 (mm/dd/yyyy) TimeFormat 1 (hh:mm:ss)
NumberFormat 1 (1,000.00) MessageFormat 1
Language AMENG Alias Halt HALT
MaxSessions 300 ExpInterval 0
ExpQuiet No EventServer Yes
MirrorRead DB Normal MirrorRead LOG Normal
MirrorWrite DB Sequential MirrorWrite LOG Parallel
VolumeHistory 'SYS1.TSM.B1.VOLHIS- VolumeHistory
'SYS1.TSM.A1.VOLHIS-
T' T'
Devconfig 'SYS1.TSM.B1.DEVCON- Devconfig
'SYS1.TSM.A1.DEVCON-
F' F'
TxnGroupMax 256 MoveBatchSize 1000
MoveSizeThresh 2048 StatusMsgCnt 10
RestoreInterval 1,440 UseLargeBuffers Yes
DisableScheds No NOBUFPREfetch No
AuditStorage Yes REQSYSauthoutfile Yes
SELFTUNEBUFpools- Yes SELFTUNETXNsize No
ize
DBPAGEShadow No DBPAGESHADOWFile dbpgshdw.bdt
MsgStackTrace On QueryAuth None
LogWarnFullPerCe- 90 ThroughPutDataTh- 0
nt reshold
ThroughPutTimeTh- 0 NOPREEMPT ( No )
reshold
Resource Timeout 60 TEC UTF8 Events No
CommOpenTimeOut 20 TcpPort 1500
TcpAdminport 1500 TcpName TCPIP2
HttpTcpPort 1580 TECHost
TECPort 0 UNIQUETECevents No
UNIQUETDPTECeven- No IcsPort 1500
ts
ICSAdminport 1500 IcsSname *NONE*
PDMPort 1580 PDMName *NONE*
PDMConnect PDM TAPEIOBufs 1
UserExit FileExit
FileTextExit HttpIcsPort 1580
DeletionExit ARCTVEXT MsgSuppress *NONE*
LuName *NONE* Iucv *NONE*
RouteCode 11 MsgHilight *NONE*
MPThreading No TCPBufsize 32,768
HPDTenable Yes HPDTstorage ECSA
HPDTbuffer# 6 HPDTexpand# 2
NOLONG ( No )
The q db f=d is showing me that the cache hit% just keeps going down.
Available Space (MB): 116,320
Assigned Capacity (MB): 108,456
Maximum Extension (MB): 7,864
Maximum Reduction (MB): 16,804
Page Size (bytes): 4,096
Total Usable Pages: 27,764,736
Used Pages: 23,466,774
Pct Util: 84.5
Max. Pct Util: 84.5
Physical Volumes: 50
Buffer Pool Pages: 33,792
Total Buffer Requests: 50,768,552
Cache Hit Pct.: 97.63
Cache Wait Pct.: 0.00
And the Log Pool Pct. Util is greater than 0.
Available Space (MB): 11,636
Assigned Capacity (MB): 7,576
Maximum Extension (MB): 4,060
Maximum Reduction (MB): 7,244
Page Size (bytes): 4,096
Total Usable Pages: 1,938,944
Used Pages: 84,073
Pct Util: 4.3
Max. Pct Util: 5.7
Physical Volumes: 5
Log Pool Pages: 1,024
Log Pool Pct. Util: 0.57
What am I doing wrong? Any ideas? I am at a loss. Thank you in advance!
********************************
Joni Moyer
Highmark
Storage Systems
Work:(717)302-6603
Fax:(717)302-5974
joni.moyer AT highmark DOT com
********************************
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