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IMBED REPLICATE - Places the index for a cylinder on track 0 of that cylinder, and replicates the control interval (block) to fill the track. Speeds access by eliminating rotational delays. Not needed

Hi Jeff, In the lines given by Alejandro it is 2 times the same extents on the first RECSZ 512 and on the other RECSZ 1024, so ??? The extents for index are between the 2 extents of DATA René

Rene, Alejandro While you are BOTH asking relevant questions – frankly – other than a basic understanding – you are IMHO getting down too deep into the weeds There are VOLUMES of documentation

Hello, Alejandro, It may help to study VSAM documentation from the time period when MVS 3.8 was "current" rather than more modern VSAM documentation, especially with regard to VSAM catalogs, because

The 512 portion is the index, the 1024 is the data portion. [email protected]> wrote:

Risking to talk too much and deviate more into a (VSAM?) discussion rather than a catalog one, I can't resist sharing my thoughs as I keep trying to analyze that data: In total, for 'DATA', we have

Hi guys. Thank you for your help... I'm learning quite a lot with all this, although it is not easy. So, from what I'm deducing, by pointing the focus on those RBA values, I conclude that my catalog

Hi Jeff, Why is it PHYSICAL RECSZ 512 on the first and 1024 on the second one ? René

Rene, I think your cut and paste got the same data twice… If you look at the original LISTCAT – The DATA portion consists of TWO internal allocations – total of 72 tracks One VOLUME is 66

Alejandro, I want to offer congratulations – keep at it – you are making progress – just look at all you have encountered in just a few days….. Now, as you state, and was confirmed by Mike in

Hi, I found something strange perhaps someone could explain me : Why we see 2 times the sale allocation with different recsize ? VOLUME VOLSER------------USRDT0 PHYREC-SIZE----------512

On Thu, Jan 25, 2024 at 10:39?AM Alejandro olivan Alvarez < alejandro.olivan.alvarez@...> wrote: [deleted] > CLUSTER ------- UCUSRDT0 > [deleted] > DATA -------

Hi folks! I've been doing some research on the catalog subject, but my very superficial knowledge on VSAM matters (struggling to go through Demistifying VSAM redBook) prevents me to fully understand

Alejandro, “It's quite interesting to find out there's quite a lot of complex stuff relating catalog creation and maintenance... “ Absolutely true statement – my firend. Also – “job

Do a listcat on the catalog DSN to see primary and secondary sizes. might be able to do an ALTER DS(catalog) CYL(50 10) to create secondary extents if you haven't used them all up. Or export / import

It's quite interesting to find out there's quite a lot of complex stuff relating catalog creation and maintenance... In my case, I've found that, while performing a big reduction on the number of

thanks for taking the time to tell everyone how you resolved it; it sets a good example and may have made a few people aware of resources they were not already aware of!

Aha... I see... So mistery solved. Thank you all!

Also if you look up this: *IEF287I* ALEX.WEBSITES.RE240123.ACESSLOG**NOT CATLGD 4 IEF287I tells you the same thing, that the catalog is out of space Dennis

Ok, Here is some steps to actually figure this out…. First – GOOGLE – or use your favorite method to look up the messages First – I look up IEC070I – with the RC of 103-203 – not terribly