Gerrit,

is your example file iostat.25nov lying in a HSM file system?

Gerrit van Zyl writes:
 > Reinhard,
 >
 > Because of the huge amount of backups we are doing, we cannot use copy stg 
 > pools to create offsite copies.  So we develop out own scripts to determine 
 > which "live" tapes to take offsite and which ones to return to the robot.  
 > To guarentee we always have a copy of any file offsite, we need to once a 
 > week do a full selective backup.
 >
 > In any case here is the selective backup of a file : istat iostat.25nov
 >
 >
 > File istat before selective backup :
 >
 > 02n09sw /bgs/best1 # istat iostat.25nov
 > Inode 2060 on device 39/1       File
 > Protection: rw-r--r--
 > Owner: 500(best1)               Group: 1(staff)
 > Link count:   1         Length 71731 bytes
 >
 > Last updated:   Thu Nov 25 10:34:54 1999
 > Last modified:  Thu Nov 25 10:34:54 1999
 > Last accessed:  Wed Apr 05 12:12:53 2000
 >
 > Doing selective backup  with dsmnode -t=p:
 >
 >  /bgs/best1 # dsmmode -t=p dsmc sel iostat.25nov
 > ADSTAR Distributed Storage Manager
 > space management Interface - Version 3, Release 1, Level 0.7
 > (C) Copyright IBM Corporation, 1990, 1999. All Rights Reserved.
 > ADSTAR Distributed Storage Manager
 > Command Line Backup Client Interface - Version 3, Release 1, Level 0.7
 > (C) Copyright IBM Corporation, 1990, 1999, All Rights Reserved.
 >
 > Selective Backup function invoked.
 >
 > Node Name: F02N09SW-N25
 > Session established with server ADSM: AIX-RS/6000
 >   Server Version 3, Release 1, Level 2.55
 >   Server date/time: 04/10/00   14:15:47  Last access: 04/10/00   10:59:57
 >
 > Normal File-->            71,731 /bgs/best1/iostat.25nov [Sent]
 > Selective Backup processing of 'iostat.25nov' finished without failure.
 >
 > Total number of objects inspected:        1
 > Total number of objects backed up:        1
 > Total number of objects updated:          0
 > Total number of objects rebound:          0
 > Total number of objects deleted:          0
 > Total number of objects failed:           0
 > Total number of bytes transferred:    70.07 KB
 > Data transfer time:                    0.00 sec
 > Network data transfer rate:        10,909.58 KB/sec
 > Aggregate data transfer rate:         47.64 KB/sec
 > Objects compressed by:                    0%
 > Elapsed processing time:           00:00:01
 >
 > File istat after selective backup :
 >
 >  /bgs/best1 # istat iostat.25nov
 > Inode 2060 on device 39/1       File
 > Protection: rw-r--r--
 > Owner: 500(best1)               Group: 1(staff)
 > Link count:   1         Length 71731 bytes
 >
 > Last updated:   Thu Nov 25 10:34:54 1999
 > Last modified:  Thu Nov 25 10:34:54 1999
 > Last accessed:  Mon Apr 10 14:15:55 2000
 >
 > As you can see, the access time has change.
 >
 > Regards
 > Gerrit

--
Reinhard Mersch                        Westfaelische Wilhelms-Universitaet
Reinhard Mersch                        Westfaelische Wilhelms-Universitaet
Zentrum fuer Informationsverarbeitung - ehemals Universitaetsrechenzentrum
Roentgenstrasse 9-13, D-48149 Muenster, Germany      Tel: +49(251)83-31583
E-Mail: mersch AT uni-muenster DOT de                       Fax: 
+49(251)83-31653