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OpenVMS Hobbyist Program | VAX Systems Forums | VAX Software Forum
Author ODS-5 with long filenames...
JonathanBelanger
Member

Posts: 34
Joined: 09.06.16
Posted on July 09 2016 06:29
Hello,

I have OpenVMS VAX 7.3 running on a modified VAX SimH emulator (getting 21.9 VUPS instead of the non-modified 19.3 VUPS). On one of my drives, not the system disk, I enabled ODS-5. Apparently this does not automatically support longer file names. How do I get filenames greater than 32 characters on OpenVMS VAX?

Thanks,

JonBelanger
Author RE: ODS-5 with long filenames...
Bruce Claremont
Member

Posts: 504
Joined: 07.01.10
Posted on July 10 2016 03:00
According to the documentation (http://h71000.www7.hp.com/doc/82final/5841/5841pro_081.html), long file name support is a Alpha/I64 OpenVMS feature. Spin yourself up a FreeAXP Alpha system to resolve the issue.
Author RE: ODS-5 with long filenames...
malmberg
Moderator

Posts: 463
Joined: 15.04.08
Posted on July 15 2016 03:33
On OpenVMS/VAX you do not even have the option of enabling ODS-5 support on a disk.

An ODS-5 disk must be initialized on a AXP/IA64 system of new enough OpenVMS.

How did you modify VAX/SimH to get higher VUP rates?

I know there is an older fork that allowed multiple CPUs. It needs N+1 for linux so you need at least 3 CPUs to make it worth while. When I tested that fork, the SimH/Idle did not work.
Author RE: ODS-5 with long filenames...
JonathanBelanger
Member

Posts: 34
Joined: 09.06.16
Posted on July 17 2016 12:48
Yes, you can enable ODS-5 on a VAX (from show device/full):


Disk $1$DUC2: (CANTH), device type RA82, is online, mounted, file-oriented
device, shareable, served to cluster via MSCP Server, error logging is
enabled.

Error count 0 Operations completed 1330
Owner process "" Owner UIC [SYSTEM]
Owner process ID 00000000 Dev Prot S:RWPL,O:RWPL,G:R,W
Reference count 1 Default buffer size 512
Total blocks 8003584 Sectors per track 57
Total cylinders 9361 Tracks per cylinder 15
Allocation class 1

Volume label "SYS$OLDKITS" Relative volume number 0
Cluster size 8 Transaction count 1
Free blocks 1393040 Maximum files allowed 444643
Extend quantity 5 Mount count 1
Mount status System Cache name "_$1$DUA0:XQPCACHE"
Extent cache size 64 Maximum blocks in extent cache 139304
File ID cache size 64 Blocks currently in extent cache 0
Quota cache size 0 Maximum buffers in FCP cache 1375
Volume owner UIC [SYSTEM] Vol Prot S:RWCD,O:RWCD,G:RWCD,W:RWCD

Volume Status: ODS-5, subject to mount verification, file high-water marking,
write-back caching enabled.





~Jon.

Now my problem is that t
Author RE: ODS-5 with long filenames...
malmberg
Moderator

Posts: 463
Joined: 15.04.08
Posted on July 23 2016 03:51
ODS-5 volumes can be mounted on the last versions of OpenVMS/VAX.

RMS can only see the filenames that comply with ODS-5.

There are some tricks that can be done. LIB$FID_TO_NAME or bypassing RMS can allow some access to the otherwise invisible files.
Author RE: ODS-5 with long filenames...
JonathanBelanger
Member

Posts: 34
Joined: 09.06.16
Posted on August 01 2016 06:41
I reverted back to ODS-2 by creating a new disk that was ODS-2 then using ZIP/UNZIP to move the files from the old ODS-5 disk to the ODS-2 disk. I then re-initialized the original disk back to ODS-2.

Now for my next problem. When I attempted to create a saveset of the ODS-5 and then use the /CONVERT qualifier on the restore, I got an "unrecognized qualifier /CONVERT" error. Help BACKUP_Command shows the qualifier, but the DCL Tables don't recognize it. What do I need to do to be able to CONVERT the restore of a backup from a saveset containing ODS-5 files to an ODS-2 disk drive?

~Jon.
Author RE: ODS-5 with long filenames...
malmberg
Moderator

Posts: 463
Joined: 15.04.08
Posted on August 10 2016 02:44
The help text should indicate that the qualifier does not work on VAX. If it does not, it is a bug.

As stated in the other thread, I was very unimpressed with what backup/convert did, and forgot to mention, it took a very long time before it failed for me because it unexpectedly ran out of disk space, and I had more than enough disk space to manually do the ODS-5 to ODS-2 conversion.
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malmberg
June 26 2018
https://www.openvmshobbyi
st.com/forum/viewthread.p
hp?forum_id=10&thread_id=
2363


bhamakripa
June 24 2018
I am trying OpenVMS via SIMH. Need to get OS binaries for v7.3. Registered here but don't have any membership number yet which is needed to get license. Pls suggest what to do. I hardly know anyth

basilh
June 05 2018
Any other forum members in Perth, Australia?

LouF91
April 05 2018
ah maybe they love that!

malmberg
March 24 2018
Probably. More people hang out on the comp.os.vms newsgroup.

vaxpert
March 23 2018
I have a PE42A and other Alpha system stuff for sale. I'm in So California. Any interest out there?

goodbyespy
February 27 2018
To Prohorenko. Please, visit group OpenVMS in the ok.ru

peteherrera
February 24 2018
How much does it cost to buy a complete OpenVMS hardcopy documentation set of the latest version

prohorenko
February 17 2018
Please help to obtain the license on OpenVMS

malmberg
December 12 2017
HPE only makes the most current version of OpenVMS Alpha / IA64 /VAX available to hobbyists. When I had access to the Alliance 1 program it was the same. No public downloads are allowed by HPE.

nmbonao
December 08 2017
Is anybody knows OpenVMS 8.2 version downloadable version? or CD copy? Thank you very much

aarommes
December 02 2017
Bitcoin and Blockchain enthusiasts ( plus distributed computing ) please connec / reply: http://www.openvmshobbyis
t.com/forum/viewthread.ph
p?forum_id=130&thread_id=
2991


malmberg
September 10 2017
https://sourceforge.net/p
/vms-ports/wiki/VMSInstal
lation/ For the most part just use VMS 6.1 media instead of 7.3. But why run the older release?


DoeveR
August 07 2017
Where can I find the write up on running VMS 6.1 using the simh emulator?

Bart
March 20 2017
Happy to have found my password again!

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