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тАО11-15-2005 09:25 PM
тАО11-15-2005 09:25 PM
I've tries to increase/decrease clustersize, max headers, max files...
Is this an VMS limit?
Solved! Go to Solution.
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тАО11-15-2005 09:49 PM
тАО11-15-2005 09:49 PM
Re: Max. files on disk
Purely Personal Opinion
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тАО11-15-2005 09:56 PM
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тАО11-15-2005 10:00 PM
тАО11-15-2005 10:00 PM
Re: Max. files on disk
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тАО11-15-2005 10:52 PM
тАО11-15-2005 10:52 PM
Re: Max. files on disk
The maximum size you can specify for any volume is calculated as follows:
(volume size in blocks)/(cluster factor + 1)
You can modify cluster factor and increase max files.
Saludos.
Daniel.
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тАО11-16-2005 12:59 PM
тАО11-16-2005 12:59 PM
Re: Max. files on disk
As you've discovered, the current ODS-2 and ODS-5 architectural limit on maximum files allowed on a simgle volume is 2^24-2^16-1 = 16711679
Engineering is aware that the limits of existing file systems is rapidly being overtaken by available technology. What they need is to know what customers need, with business cases to justify the engineering work to extend those limits that need extending (in other words, show them the money!).
In the mean time, you can make it appear there are many more files on a disk using search lists.
$ DEFINE MYDISK DISK1,DISK2,DISK3,DISK4
Make sure all disks have similar directory structures on them, and "rotate" the search list to distribute files.
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тАО11-16-2005 09:16 PM
тАО11-16-2005 09:16 PM
Re: Max. files on disk
In the mean time, you can make it appear there are many more files on a disk using search lists.
$ DEFINE MYDISK DISK1,DISK2,DISK3,DISK4
Make sure all disks have similar directory structures on them, and "rotate" the search list to distribute files.
[/quote]
We tried a similar trick once to "enlarge" a disk, but ran into trouble:
$ DEFINE MYDISK DISK1:[DIR1.DIR2.], DISK2:[DIR1.DIR2.]/TRANS=CONCEALED
and DIR3.DIR existed on each DISKn[DIR1.DIR2]; The contents of course was different (newest written on DISK1:[DIR1.DIR2.DIR3].
But when the application tried to access MYDISK:[DIR3]FILE.DAT (the file exists on DISK2:[DIR1.DIR2.DIR3]) RMS returned File not Found. Tracking down the reason, it as found that when reversing the searchlist, the problem was gone. The solution was to keep each base directory (DIR3, DIR4 etc, on the same level) on one disk only.
OpenVMS Developer & System Manager
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тАО11-17-2005 12:01 AM
тАО11-17-2005 12:01 AM