[Info-vax] Hard links on VMS ODS5 disks

[Jan-Erik Söderholm]

Den 2023-07-15 kl. 15:32, skrev Craig A. Berry:
> 
> On 7/14/23 9:58 PM, Dave Froble wrote:
>> On 7/14/2023 9:48 PM, Craig A. Berry wrote:
>>>
>>> On 7/14/23 6:36 PM, Chris Townley wrote:
>>>> On 14/07/2023 22:30, gah4 wrote:
>>>
>>>>> Reminds me of, years ago, porting gnu-utils to OS/2 and finding that
>>>>> tail -f works.  I don't know if tail -f is supposed to work on VMS, 
>>>>> though.
>>>>>
>>>>> The main target is embedded Linux, especially where the whole system
>>>>> is in flash memory.
>>>>
>>>> But type/tail does ISTR
>>>
>>> On most of the interesting cases it fails with invalid file organization.
>>>
>>
>> Works very well here.  Of course, I don't use invalid file organizations.
>>
>> :-)
>>
> 
> I don't either, but the job controller does, and log files from batch
> jobs are about the only reason I would use this feature. If memory
> serves this is a well-known problem and somebody (maybe Hein?) had a fix
> in the works that never got prioritized.
> 
> $ type/tail somelogfile.log
> %TYPE-W-OPENIN, error opening DSA0:[SOMEUSER]somelogfile.log;1 as input
> -SYSTEM-E-UNSUPPORTED, unsupported operation or function
> -RMS-F-ORG, invalid file organization value
> $ dir/full somelogfile.log
> 
> Directory DSA0:[SOMEUSER]
> 
> somelogfile.log;1             File ID:  (9158,13,0)
> Size:          900/912        Owner:    [SOMEGROUP,SOMEUSER]
> Created:    15-JUL-2023 08:23:51.37
> Modified:   15-JUL-2023 08:23:51.41 (1)
> Expires:    <None specified>
> Backup:     <No backup recorded>
> Effective:  <None specified>
> Recording:  <None specified>
> Accessed:   15-JUL-2023 08:23:51.37
> Attr Mod:   15-JUL-2023 08:23:51.41
> Data Mod:   15-JUL-2023 08:23:51.37
> Linkcount:  1
> File organization:  Sequential
> Shelved state:      Online
> Caching attribute:  Writethrough
> File attributes:    Allocation: 912, Extend: 0, Global buffer count: 0, No 
> version limit
> Record format:      VFC, 2 byte header, maximum 0 bytes, longest 1024 bytes
> Record attributes:  Print file carriage control
> RMS attributes:     None
> Journaling enabled: None
> File protection:    System:RWED, Owner:RWED, Group:RE, World:
> Access Cntrl List:  None
> Client attributes:  None
> 
> Total of 1 file, 900/912 blocks.


As I have understood this (veruy annoying) thing is that
the file org is not "invalid" as such, it is just not
supported by type/tail...