Open System Services Management and Operations Guide (G06.29+, H06.07+)

Environment Limits
Open System Services Management and Operations Guide—527191-005
E-10
File Size Limit Behavior for File Open Operations
Guardian
Enscribe
Format 1 file
created using
Guardian APIs
on G06.28 and
any type of
magnetic disk
2GB-1MB
(2,146,435,072
bytes),
constrained by
maximum
number of
extents and
extent sizes
2GB-1MB
(2,146,435,072
bytes),
constrained by
maximum
number of
extents and
extent sizes
See the Guardian
Procedure Calls
Reference Manual.
See the
Guardian
Procedure
Calls
Reference
Manual.
Guardian
Enscribe
Format 1 file
created using
OSS APIs on
RVUs prior to
G06.28 and on a
disk with a 514-
byte sector size
Approximately
176MB
Approximately
176MB
Approximately
176MB
Approximately
176MB
Guardian
Enscribe
Format 1 file
created using
OSS APIs on
RVUs prior to
G06.28 and on a
disk with a 512-
byte sector size
Approximately
197 MB
Approximately
197 MB
Approximately
197 MB
Approximately
197 MB
Table E-3. File Format and Limits Table for File Open Behavior
Using This Function
To Open This
File...
32-Bit OSS
APIs such as
open( )
64-Bit OSS
APIs such as
open64( )
Guardian APIs
without 64-Bit
elections
Guardian APIs
with 64-Bit
elections