Re: tbtape -s archives
Posted in 1996
Please include me in on this response. I also want this information for Informix 7.12, as well as, Informix 5.02. Thanks! ------------------------------------------------------------------------- Cheryl Kendricks Internet:cherylk@prod1.jcdc.doleta.gov OR kendric@gwysmtp.jcdc.doleta.gov OR cherylk@spamis.jcdc.doleta.gov DTSI, Inc. Voice: 1-800-598-5008 Database Administrator - DOL Job Corps San Marcos, Texas ------------------------------------------------------------------------ On Tue, 23 Apr 1996, Alicia Ray wrote: } We are currently running Informix 5.03 on a DG/UX platform. Most } system administration tasks have been automated for deployed sites } so that the operators at each site aren't burdened with certain } administration tasks. However, they are responsible for labeling } tapes, loading tapes, circulating tapes (so as not to overwrite } previous archives), etc. } } Well unfortunately from time to time the operators have problems } performing those tasks as well. Sometimes the operators have not } labeled the tapes well and lose track of which tape is from what day. } } Is there a way to get a timestamp from an archive tape (compressed) } and verify what level archive (0, 1 or 2) was performed? } } A colleague of mine wrote: } } We are performing our archives to the "compressed" drive which has } worked. The tapes are 2GB DAT tapes but in using the compressed } tape drive we have been able to get over 6GB on one tape when doing } a level 0 archive. } } I've used od -c (device) | more. This has shown me an Informix } "label" and our tbconfig information and then data. I could not see } anything that looked like a timestamp or what level archive the } archive is. } } Informix's response was that there was no way of getting the } information that they knew of but they were told by a customer that } the customer was able to get a timestamp by performing: } } "dd if=(device) of=(output file) bs=16k count=1" } } I used this and was still not getting a timestamp basically it's the } same data that I got from the octal dump, of course. I played with } different bs's since this command is just reading the first 16k off } the tape but could not see anything. } } I tried tail on the device but came up with NULL in the output which } suprised me. I just used the default for tail and maybe if I used a } value I would get another result. The tail took quite awhile and } before I play anymore I would like some further direction from anyone } who has ever attempted to find what I am looking for on an archive tape. } } Thanks in advance, } Dan Maruschak } Alicia Ray } } -- } ********************************************************************** } Alicia Ray Internet : Alicia.Ray@med.osd.mil } EDS-D/SIDDOMS Phone : 703-845-3807 } 5113 Leesburg Pike } Skyline 4 Suite 800 } Falls Church, VA 22041-3201 } ********************************************************************** } } } }