There are some incompatibilities with the following functions compared to 4.2A30:
Number | Item | OS after upgrading |
|---|---|---|
1 | Change in error message of sfcadd(8) | All |
2 | Support of sendfile(2) | RHEL6 |
3 | Change in operation at the time of specifying the mount option atime | RHEL6 |
Incompatibility description
In the sfcadd(8) command, the error message output at the following condition has been changed.
The size of partitions to be added exceeds the maximum partition size.
Before change:
sfcadd: ERROR: 0026: special partition size is over the maximum file system capacity
After change:
sfcadd: ERROR: 0026: special exceeds the maximum size of a partition
Corrective action
None.
Incompatibility description
Action of sendfile(2) to the GFS Shared File System has been changed.
Before change: Abnormal exit (return code: -1, errno: EINVAL)
After change: Normal exit
Corrective action
None.
Incompatibility description
Operation at the time of specifying the mount option atime has been changed.
Before change:
The last access time of a file is updated for each file access.
After change:
The last access time of a file is updated when the previous last access time is the same as or older than the last modify time or the last change time. Also, when the previous last access time of a file is old for over a day, it is updated.
Corrective action
To execute the operation performed before change, change the mount option which is described in /etc/fstab from atime to strictatime.
