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Conference cookie::archive_backup

Title:	Archive/Backup

Moderator:	COOKIE::MHUAIG

Created:	Wed Sep 08 1993
Last Modified:	Fri Jun 06 1997
Last Successful Update:	Fri Jun 06 1997
Number of topics:	479
Total number of notes:	2283

440.0. "NT and Unix client support plans ?" by ATZIS3::PIEBER (chaos has many faces) Mon Apr 21 1997 11:11

    Hi folks,
    
    this is question about future product features regarding Unix and NT
    ABS client support:
    
    Is there a plan (better: date) yet, as to when
    
    NT: 
    
    	+ registry 
    	+ SQL Server 
    	+ MS Exchange
    	(+ ORACLE DB)
    
    Unix:
    
    	+ SAP databases
    	+ ORACLE databases
    
    will be possible to be backed up ? 
    
    	The demand for these issues is growing fast here and we have one
    customer, who will have migrated all his office applications to NT by
    the end of the 1997. We are talking backup of about 90-150 GB per
    weekly full save and a yet to be determined amount of data daily.
    
    	The question from the customer is, whether ABS will be able to 
    savely backup this data soon. And if not all of the above, what are 
    the plans/dates in this area.
    
    	I get the impression here in Austria, that demand for Unix and NT
    client support will soon dominate over demand for VMS backup support.
    
    Ewald.

T.R	Title	User	Personal Name	Date	Lines
440.1		COOKIE::MHUA		`Mon Apr 21 1997 14:22`	5
	Please forward the question to COOKIE::CROSS (Judy Cross) about future dates and plans. Masami
440.2	Unix and NT database backup support	COOKIE::CROSS		`Wed Apr 23 1997 16:31`	12
	At present the Unix and NT clients are used to backup files - the files can be anything. We don't backup files that are open with an exclusive lock. If a database file is open without an exclusive lock we can back it up. However, we cannot guarentee the integrity of the data as some key transactions may be in cache that is not backed up. All this to say that we do not yet fully support backup of SQL, SAP or Oracle databases or the NT registry file. We are working on registry file backup now but I can't give you a firm date yet. Full support for database backup is on the requirements list. Please keep in mind that it's a long list!
440.3		STOWKS::SLUIS	Hans van Sluis -- Storage Engineering Support Europe- DTN 889 9526	`Mon Apr 28 1997 05:53`	23
	Ewald, Currently ABS only supports one stream ( = client) per tape drive. This means that a Unix/NT client do not utilize multiple drives in parallel; the onlt backup agent that has this behaviuor is RMU BACKUP. If you have a tape drive (e.g. TZ88, local SCSI), that is able to handle 3.0 MB/sec, one hour give you 3600 * 3.0 = 10.8GB/hour. Giving the size of data you're talking about (90 - 150 GB/day), the backup window might become very long if everything is in one Save Request. So you'll need multiple streams to meet your backup window (you know where to set the number of drives, don't you). Ideal would be a change in ABS to allow multiple streams from one Unix/NT client for the same save request, so tune up the number of drives in the Execution Environment (not the Storage Class). However, I'm afraid that a lot of water still have to flow through the Rhine/Donau before we see something of that kind. Another, very good solution for the customer, is to use Networker on Unix / NT. It comes with modules for Oracle, SAP and SQL server (later this year). So, you might want to move away from ABS if you're forced to by the (lack of offered versus customer required) functionallity. NSR is the major competitor of ABS inside Digital Hans