Re: ISM and 2 Gbyte file limits in IDS 9.4

Posted in 2004

Topics: Storage & Space Management, Versions, Editions & End-of-Life

Brian Grellinger — Tue, 24 Aug 2004 09:20:54 -0400 — source: Usenet: comp.databases.informix

--=_81A1E6C3.6706577A Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit I've done backup/restore of 10GB dbspaces with 9.40.FC2 on AIX5.2 64bit with no problem. Brian Grellinger I.S. Manager DHIAC Information Systems >>> Andreas Breitfeld <abreitfe@de.ibm.com> 08/24/04 09:01AM >>> Hi, maybe the 2GB limit of ISM found in ids_ism_docnotes_9.40.txt is a documentation bug. In my experience ISM can backup and restore dbspaces > 2GB as you described below. Andreas On Monday 23 August 2004 17:51, malcolm weallans wrote: > According to the Docnotes for IDS 9.4 ISM cannot be > used for dbpaces > 2Gbytes due to a limitation in > Legato Networker 5. > > Would any of the Informix personnel who read this list > like to comment about this. Should IBM Informix > provide all customers with an alternative storage > manager as a workaround for this deficiency? Or is it > a deficiency at all. We have certainly been > successful in backing up and restoring dbspaces which > are bigger than 2 Gbytes. It seems that a number of > 2Gbytes files were used as part of the same backup. > > regards > > Malcolm > sending to informix-list sending to informix-list --=_81A1E6C3.6706577A Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=iso-8859-1"> <META content="MSHTML 6.00.2800.1458" name=GENERATOR></HEAD> <BODY style="MARGIN-TOP: 2px; FONT: 12pt Courier New; MARGIN-LEFT: 2px"> <DIV>I've done backup/restore of 10GB dbspaces with 9.40.FC2 on AIX5.2 64bit with no problem.</DIV> <DIV> </DIV> <DIV> </DIV> <DIV>Brian Grellinger<BR>I.S. Manager<BR>DHIAC Information Systems<BR><BR>>>> Andreas Breitfeld <abreitfe@de.ibm.com> 08/24/04 09:01AM >>><BR>Hi,<BR><BR>maybe the 2GB limit of ISM found in ids_ism_docnotes_9.40.txt is a <BR>documentation bug. In my experience ISM can backup and restore dbspaces > 2GB <BR>as you described below.<BR><BR>Andreas<BR><BR><BR>On Monday 23 August 2004 17:51, malcolm weallans wrote:<BR>> According to the Docnotes for IDS 9.4 ISM cannot be<BR>> used for dbpaces > 2Gbytes due to a limitation in<BR>> Legato Networker 5.<BR>><BR>> Would any of the Informix personnel who read this list<BR>> like to comment about this.  Should IBM Informix<BR>> provide all customers with an alternative storage<BR>> manager as a workaround for this deficiency?  Or is it<BR>> a deficiency at all.  We have certainly been<BR>> successful in backing up and restoring dbspaces which<BR>> are bigger than 2 Gbytes.  It seems that a number of<BR>> 2Gbytes files were used as part of the same backup.<BR>><BR>> regards<BR>><BR>> Malcolm<BR>> sending to informix-list<BR><BR>sending to informix-list<BR></DIV></BODY></HTML> --=_81A1E6C3.6706577A-- sending to informix-list

↪ replying to Brian Grellinger

Neil Truby — Tue, 24 Aug 2004 18:06:37 +0100 — source: Usenet: comp.databases.informix

"Brian Grellinger" <Brian.Grellinger@dhiac.com> wrote in message news:cgfgj5$42i$1@news.xmission.com... > I've done backup/restore of 10GB dbspaces with 9.40.FC2 on AIX5.2 64bit > with no problem. Right, but you wouldn't expect a problem with 9.40 anyway, since it doesn't have the 2Gbyte limit. My own experience using 7.31 on Solaris is that ISM will split a backup stream into multiple files of less than 2 GBytes without problems.

Re: ISM and 2 Gbyte file limits in IDS 9.4

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