HSM is intermittently failing to backup new datasets. I suspect that
someone/something is resetting the changed or archive bit on the dataset before
HSM gets to it.
Can anyone tell me how I can view the state of the changed bit on a dataset?
Furthermore, I’m only guessing but I would hope that
My 1st suspect would be df/dss. There is an option to set/reset the change
bit.
HSM also had an option to reset change bit on dump. Check the fine manuals.
Couple of old programs on the CBTAPE can show the state of this bit. (DASD? Not
sure which file this is in.)
HTH,
snip
HSM is
@LISTSERV.UA.EDU
Subject: Re: HSM and changed or archive bit
My 1st suspect would be df/dss. There is an option to set/reset the change
bit.
HSM also had an option to reset change bit on dump. Check the fine manuals.
Couple of old programs on the CBTAPE can show the state of this bit. (DASD? Not
sure
Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf
Of David G. Schlecht
Sent: Thursday, October 31, 2013 2:12 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: HSM and changed or archive bit
These are DASD datasets.
I have, indeed, read the 180,000+ pages of HSM and other systems
Subject: Re: HSM and changed or archive bit
Check the VTOC instead of the VVDS. I found this on an APAR.
DFSMShsm will be changed to reset the DS1DSCHA bit to OFF in
the format-1 DSCB of each volume the data set resides on during
backup processing. This solution applies only to nonVSAM data
sets
David G. Schlecht wrote:
HSM is intermittently failing to backup new datasets. I suspect that
someone/something is resetting the changed or archive bit on the dataset
before HSM gets to it.
Can anyone tell me how I can view the state of the changed bit on a dataset?
Look at the bits in
1. ADRDSSU used to turn off the changed bit after a volume backup by
default. It has been changed to not be the default but can be
selected by a used.
2. Management class field Backup Required value no allows a dataset to
migrate before being backed up.
On Thu, Oct 31, 2013 at 1:51 PM, David G.
David,
It ain't pretty, but you can do an IEHLIST of the VTOC in DUMP format. The
byte at offset 93 is where you will find the DS1CHIND bit (bit ..1.). One
thing to remember is the dump portion of the listing actually starts at offset
44 of the format1 DSCB.
Rex
On Thu, Oct 31, 2013
-MAIN@LISTSERV.UA.EDU] On Behalf
Of Pommier, Rex
Sent: Thursday, October 31, 2013 1:02 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: HSM and changed or archive bit
David,
It ain't pretty, but you can do an IEHLIST of the VTOC in DUMP format. The
byte at offset 93 is where you will find the DS1CHIND
Woodwinds Toastmasters.
IBM Mainframe Discussion List IBM-MAIN@LISTSERV.UA.EDU wrote on
10/31/2013 01:51:37 PM:
From: David G. Schlecht dschle...@admin.nv.gov
To: IBM-MAIN@LISTSERV.UA.EDU
Date: 10/31/2013 01:51 PM
Subject: HSM and changed or archive bit
Sent by: IBM Mainframe Discussion List
checkout
Woodwinds Toastmasters.
IBM Mainframe Discussion List IBM-MAIN@LISTSERV.UA.EDU wrote on
10/31/2013 01:51:37 PM:
From: David G. Schlecht dschle...@admin.nv.gov
To: IBM-MAIN@LISTSERV.UA.EDU
Date: 10/31/2013 01:51 PM
Subject: HSM and changed or archive bit
Sent by: IBM Mainframe
Subject: Re: HSM and changed or archive bit
You can see the state of the changed flag in ISMF option 1. It is column 24.
Thank you and have a Terrific day!
Jonathan Goossen, DTM
ACT Mainframe Storage Group
Personal: 651-361-4541
Department Support Line: 651-361-
For help with verbal communication
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