Troubleshooting
Problem
A DEFINE VOLUME command is used to define a 20 GB DISK storage pool volume. The command completes successfully but the resulting formatted volume is only 1GB in size.
Cause
Insufficient ulimits settings for the Spectrum Protect server instance
Diagnosing The Problem
The server activity log shows :
<timestamp> ANR2017I Administrator ADMIN issued command: DEFINE VOLUME DISKPOOL /myfs/tsmvol1.dsm Formatsize=20000 (SESSION: XX)
<timestamp> ANR0984I Process YY for DEFINE VOLUME started in the BACKGROUND at HH:MM:SS. (SESSION: XX, PROCESS: YY)
<timestamp> ANR2491I Volume Creation Process starting for /myfs/tsmvol1.dsm, Process Id YY. (SESSION: XX, PROCESS: YY)
<timestamp> ANR1305I Disk volume/myfs/tsmvol1.dsm varied online. (SESSION: XX, PROCESS: YY)
<timestamp> ANR2206I Volume/myfs/tsmvol1.dsm defined in storage pool DISKPOOL (device class DISK). (SESSION: XX, PROCESS: YY)
<timestamp> ANR0986I Process YY for DEFINE VOLUME running in the BACKGROUND processed 1 items for a total of 20,971,520,000 bytes with a completion state of SUCCESS at HH:MM:SS. (SESSION: XX, PROCESS: YY)
A subsequent QUERY VOLUME command shows the volume is in fact 1 GB in size, not 20.
Volume Name: /myfs/tsmvol1.DSM
Storage Pool Name: DISKPOOL
Device Class Name: DISK
Estimated Capacity: 1.0 G
Resolving The Problem
This type of situation indicates that the Spectrum Protect server instance userid "ulimits" are not set high enough to allow it to write files bigger than 1 GB. Increase the userid ulimits to unlimited to resolve this.
Logon with the instance userid increase the ulimits to unlimited prior to starting the server.
ulimit -f unlimited
/opt/tivoli/tsm/server/bin/dsmserv
This will start the server in the foreground. You can verify that the server is then able to define volumes larger than 1GB. Once verified, the ulimits can be set in the script used to start the server or globally in the /etc/security/limits file and the server can be restarted in the background.
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Document Information
Modified date:
17 June 2018
UID
swg21609685