If you are experiencing problem that files cannot be added into IFS folder during save-while-active backup. There is a settings that can help you.
*ALWCKPWRT
If the object is a stream file, indicates whether the stream file can be shared with readers and writers during save-while-active checkpoint processing. If the object is a directory, indicates whether links can be added, removed, or renamed in the directory during a save-while-active operation.
Changing this attribute's current value may cause unexpected results. Please refer to the Recovering your system book, SC41-5304 for details on this attribute.
Allowed values for the VALUE parameter are:
*YES If the object is a stream file, it can be shared with readers and writers during save-while-active checkpoint processing. If the object is a directory, links can be added, removed, or renamed in the directory during a save-while-active operation.
*NO If the object is a stream file, it can be shared with readers only during save-while-active checkpoint processing. If the object is a directory, links can not be added, removed, or renamed in the directory during a save-while-active operation.
In WRKLNK command you can use this option to display Allow write during save
8=Display attributes
Display Attributes
Object . . . . . . : /IDAT120/SFTP_TRF
Object domain . . . . . . . . . . . . : *SYSTEM
Number of hard links . . . . . . . . . : 2
Create object auditing . . . . . . . . : *SYSVAL
Create object scanning . . . . . . . . : *YES
Set effective user ID . . . . . . . . : No
Set effective group ID . . . . . . . . : Yes
Restricted rename and unlink . . . . . : No
Allow write during save . . . . . . . : Yes
Inherit allow checkpoint writer . . . : No
Can be saved . . . . . . . . . . . . . : Yes
System restricts save . . . . . . . : No Actual value can be changed
13=Change attribute
Change Attribute (CHGATR)
Type choices, press Enter.
Object . . . . . . . . . . . . . OBJ > '/path/folder'
Attribute . . . . . . . . . . . ATR *ALWCKPWRT
New value . . . . . . . . . . . VALUE *YES
Directory subtree . . . . . . . SUBTREE *NONE
Symbolic link . . . . . . . . . SYMLNK *NO If this option is used on directory you should be allowed to add files in it during save operation. If option is used on stream file you should be allowed to write into this file during save operation.
You should check if Save While Active option is set to *YES on relevant Backup Item.
Weekly Retain Save SWA
Backup List ASP Activity Object While Message Sync
Seq Items Type Device SMTWTFS Detail Active Queue ID
10 *EXIT *******
20 *ALLUSR *SYSBAS FIIIIII *YES *LIB SAVMSGQ *NONE
30 LINKSRV *LNK *ALLAVL FIIIIII *YES *YES SAVMSGQ *NONE