TMF Operations and Recovery Guide (G06.24+)

Managing Enscribe Files
HP NonStop TMF Operations and Recovery Guide—522417-002
B-4
Purging an Audited File
The FUP INFO output also identifies crash-open files and files that require file
recovery. Crash-open files are identified by a question mark (?) beside the file name;
files requiring recovery are identified by the letter R beside the file name (if “redo” is
required, file recovery must be used to recover the file; if only “undo” is required,
volume recovery might be able to recover the file):
128> FUP INFO $DATA.SALES.*
CODE EOF LAST MODIF OWNER RWEP TYPE REC BLOCK
$DATA.EMP
ACCT1 A O 16:24 8,86 OOOO K 100 4096
ACCT2 ? A O 18:12 8,86 OOOO K 100 4096
ACCT3 A O 20:10 8,86 OOOO K 100 4096
ACCT4 A O 05:32 8,86 OOOO K 100 4096
ACCT5 R A O 03:44 8,86 OOOO K 100 4096
Purging an Audited File
You can purge audited files interactively by issuing a FUP PURGE command.
The following command purges the audited file MISC in the subvolume EMP on the
volume $DATA:
22> FUP PURGE $DATA.EMP.MISC
You can purge an audited file only when TMF is active and the disk volume on which
the file resides is enabled for transaction processing. When you purge an audited file,
the associated alternate-key files are not purged. When you purge an audited
partitioned file, however, all of its partitions are purged.
You cannot purge an audited file with pending locks. Once the locks have been
removed, you can purge the file.
When you purge an audited file, all online dump entries for the file are marked INVALID
ON in the TMF catalog. A dump could accidentally be deleted from the TMF catalog if
the last assigned file in the dump is changed to the released state.
Using Format 2 Files
Before Software Releases D46.00 and G06.00, Enscribe disk file partitions were
limited to 2 GB in length. Beginning with these releases, however, two Enscribe file
formats are supported:
•
Format 1 is the file format with the 2-GB partition limit, used conventionally before
the D46.00/G06.00 releases. This is the default format.
•
Format 2 supports partitions of up to 1024 GB (currently limited by the size of the
disk volume on which the partition is stored). Files using this format are
sometimes known as big files and are supported beginning with the
D46.00/G06.00 releases.