A fix is available
APAR status
Closed as program error.
Error description
Using the Numstreams option during a Library Client DB backup can hang if there are fewer drives available then what is set by this option. Example: There are 4 drives in the shared library. At the time of the Library Client DB backup, there are only 2 drives available. The Numstreams is set to 4. The DB backup will hang. Tivoli Storage Manager Versions Affected: All V63 Library Client Actlog messages: 09:26:41,ANR2017I Administrator xxx issued command: BACKUP DB devc=dbsnap t=dbs nums=4 wait=n (SESSION: 6) 09:26:41,ANR0408I Session 9 started for server yyy (Linux/x86_64) (Tcp/Ip) for library sharing. (SESSION: 6) 09:26:41,ANR0409I Session 9 ended for server yyy (Linux/x86_64). (SESSION: 6) 09:26:42,ANR0408I Session 10 started for server yyy (Linux/x86_64) (Tcp/Ip) for library sharing. (SESSION: 6) 09:27:21,ANR0409I Session 10 ended for server yyy (Linux/x86_64). (SESSION: 6) 09:27:21,ANR8337I LTO volume C00120L4 mounted in drive LTO01_09 (/dev/inulto01/inulto01_drive_09). (SESSION: 6) 09:27:21,ANR0511I Session 6 opened output volume C00120L4. (SESSION: 6) 09:27:28,ANR1360I Output volume C00120L4 opened (sequence number 1). (SESSION: 6) 09:27:28,ANR0408I Session 13 started for server yyy (Linux/x86_64) (Tcp/Ip) for library sharing. (SESSION: 6) 09:27:28,ANR0409I Session 13 ended for server yyy (Linux/x86_64). (SESSION: 6) 09:27:28,ANR0408I Session 14 started for server yyy (Linux/x86_64) (Tcp/Ip) for library sharing. (SESSION: 6) 09:28:19,ANR0409I Session 14 ended for server yyy (Linux/x86_64). (SESSION: 6) 09:28:19,ANR8337I LTO volume C00121L4 mounted in drive LTO01_0A (/dev/inulto01/inulto01_drive_0A). (SESSION: 6) 09:28:19,ANR0511I Session 6 opened output volume C00121L4. (SESSION: 6) 09:28:26,ANR1360I Output volume C00121L4 opened (sequence number 1). (SESSION: 6) 09:28:26,ANR0408I Session 15 started for server yyy (Linux/x86_64) (Tcp/Ip) for library sharing. (SESSION: 6) ... 11:15:15,ANR2017I Administrator xx issued command: QUERY MOUNT (SESSION: 36) 11:15:15,"ANR8330I LTO volume C00120L4 is mounted R/W in drive LTO01_09 (/dev/inulto01/inulto01_drive_09), status: IN USE. (SESSION: 36) 11:15:15,ANR8330I LTO volume C00121L4 is mounted R/W in drive LTO01_0A (/dev/inulto01/inulto01_drive_0A), status: IN USE. (SESSION: 36) Trace flags: ICBACK ICVOLHST PVR MMS NA ADDSMSG On the Library Client, the trace will have message: xx:xx:xx.xxx [12595][icback.c][1680][IcSetupDataStreams]:Attempting setup for 4 streams (4 requested). When fewer drives were available. Initial Impact: Low Additional Keywords: hung Number multiple data streams database backup LC LM
Local fix
Set the option: Numstreams to the available number of drives on the Library manager before doing the Library Client DB backup.
Problem summary
**************************************************************** * USERS AFFECTED: All Tivoli Storage Manager server users. * **************************************************************** * PROBLEM DESCRIPTION: See error description. * **************************************************************** * RECOMMENDATION: Apply fixing level when available. This * * problem is currently projected to be fixed * * in level 6.3.5. Note that this is * * subject to change at the discretion of IBM. * **************************************************************** *
Problem conclusion
This problem was fixed.
Temporary fix
Comments
APAR Information
APAR number
IC86638
Reported component name
TSM SERVER
Reported component ID
5698ISMSV
Reported release
63L
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2012-09-18
Closed date
2012-10-30
Last modified date
2013-06-28
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
TSM SERVER
Fixed component ID
5698ISMSV
Applicable component levels
R63A PSY
UP
R63H PSY
UP
R63L PSY
UP
R63S PSY
UP
R63W PSY
UP
[{"Line of Business":{"code":"LOB26","label":"Storage"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSGSG7","label":"Tivoli Storage Manager"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"63L"}]
Document Information
Modified date:
20 September 2021