ADSM-L

Re: [ADSM-L] TSM STA Paths

2007-11-23 06:33:18
Subject: Re: [ADSM-L] TSM STA Paths
From: CAYE PIERRE <Pierre.Caye AT ALCATEL-LUCENT DOT FR>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Fri, 23 Nov 2007 12:32:44 +0100
The library manager need an access to the cartridge to validate, at least, the 
label when mounting and dismounting the tape. 

> -----Message d'origine-----
> De : ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] De 
> la part de Ian-IT Smith
> Envoyé : vendredi 23 novembre 2007 11:54
> À : ADSM-L AT VM.MARIST DOT EDU
> Objet : Re: [ADSM-L] TSM STA Paths
> 
> I thought the Library manager would be able to mount the 
> drive off the element and serial number info in the drive statrement.
> 
> Then informthe STA to send data to its SCSI device defined in 
> the path associated with that drive.
> 
> Although, if the TSM Library manager actually needs the SCSI 
> device to mount the tape, then yes I guess the TSM Library 
> Manager->Drive path must be configured in addition to the 
> STA->Drive path.
> 
> 
> Ian Smith
> 
> 
> 
> 
> CAYE PIERRE <Pierre.Caye AT ALCATEL-LUCENT DOT FR> Sent by: "ADSM: 
> Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
> 23/11/2007 10:47
> Please respond to
> "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
> 
> 
> To
> ADSM-L AT VM.MARIST DOT EDU
> cc
> 
> Subject
> Re: [ADSM-L] TSM STA Paths
> 
> 
> 
> 
> 
> 
> The library manager, as it is said, is the library manager.
> When STA need cartridges, it ask the library manager for it.
> The library manager ask the library to mount a tape, then, 
> when it know 
> the drive where it is mounted, it will check the label of the 
> cartridge, 
> so an access (ie a path) to the drive is needed for the 
> library manager.
> Then, knowing the drive, it find the path of the drive on STA 
> side so it 
> can tell the STA where the cartridge is mounted and address (ie the 
> special file) of the tape.
> When you look at drives activity on the library manager, you 
> can see that, 
> during mount process of cartridge, the cartridge and the 
> mount point are 
> owned by the library manager. Therefore the ownership is 
> transfered to the 
> STA.
> A select on drives table (allocated_to) during mount process 
> can show you 
> all that.
> 
> Regards
> 
> Pierre
> 
> > -----Message d'origine-----
> > De : ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] De 
> > la part de Ian-IT Smith
> > Envoyé : vendredi 23 novembre 2007 10:47
> > À : ADSM-L AT VM.MARIST DOT EDU
> > Objet : [ADSM-L] TSM STA Paths
> > 
> > I have a question regarding paths for drives in a storage agent
> > environment:
> > 
> > If drives are in a library, can they be defined on the 
> > Library Manager as drive, but ONLY have paths to the storage agent?
> > 
> > Or must all drives need to be pathed to the library manager 
> > as well as the storage agents?
> > 
> > I was sure that the TSM Library Manager did not require a 
> > path to the drive
> > 
> > 
> > Ian Smith
> > 
> > 
> > 
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> 
> 
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