ADSM-L

Re: migration and backup

2005-03-04 05:25:00
Subject: Re: migration and backup
From: nghiatd <nghiatd2 AT FPT.COM DOT VN>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Fri, 4 Mar 2005 17:34:12 +0700
I use LTO Gen 2. Its read/write speed is 15-20 MB/s more than network speed
(100Mbps). So migration is faster than backup



----- Original Message -----
From: "John Naylor" <John.Naylor AT SCOTTISH-SOUTHERN.CO DOT UK>
To: <ADSM-L AT VM.MARIST DOT EDU>
Sent: Friday, March 04, 2005 5:16 PM
Subject: Re: migration and backup


> Your disk pool is way too small.
> It should be large enough to hold one night's backups
> If you can't do that, set your hi mig threshold to a low value say 10 or
> even lower
> At 80% your backup fills up the remaining 20% of your pool faster than
> migration  can empty it.
>
>
>
>
>
> nghiatd <nghiatd2 AT fpt.com DOT vn>
> Sent by: "ADSM: Dist Stor Manager" <ADSM-L AT vm.marist DOT edu>
> 04/03/2005 10:15
> Please respond to
> "ADSM: Dist Stor Manager" <ADSM-L AT vm.marist DOT edu>
>
>
> To
> ADSM-L AT vm.marist DOT edu
> cc
>
> Subject
> migration and backup
>
>
>
>
>
>
> Hi all,
>
> I setup TSM ver 5.2 client on Win 2K that has more than 200 GB data,
> But TSM server machine only 20 GB hard disk. So I configure Backuppool
> ---> Diskpool --->Tapepool.
>
> Diskpool : 18 GB
> High Migration Threshold : 80 %
> Low Migration Threshold : 0 %.
>
> People said when migration process is started, backup process is still
> continuous.
> But I view log file ;
>
> 02/03/2005 06:22:26 Normal File--> 719,648,279 \\BILL2_200411_2.tar *
> Unsuccessful*
> 02/03/2005 06:22:26 A1114I Waiting for mount of offline media.
> 02/03/2005 06:55:37 Retry # 1 Normal File--> 719,648,279
> \\BILL2_200411_2.tar [Sent]
> 02/03/2005 06:55:37 ANS1809W Session is lost; initializing session reopen
> procedure.
> 02/03/2005 06:55:53 ... successful
> 02/03/2005 06:56:16 Normal File--> 726,513,573 \\BILL2_200411_3.tar [Sent]
>
>
> So backup was stopped when migration process is started.
>
> Does anyone have idea to backup process still continue ?
>
> Nghiatd
>
>
>
> **********************************************************************
> The information in this E-Mail is confidential and may be legally
> privileged. It may not represent the views of Scottish and Southern
> Energy Group.
> It is intended solely for the addressees. Access to this E-Mail by
> anyone else is unauthorised. If you are not the intended recipient,
> any disclosure, copying, distribution or any action taken or omitted
> to be taken in reliance on it, is prohibited and may be unlawful.
> Any unauthorised recipient should advise the sender immediately of
> the error in transmission. Unless specifically stated otherwise, this
email (or any attachments to it) is not an offer capable of acceptance or
acceptance of an offer and it does not form part of a binding contractual
agreement.
>
>
> Scottish Hydro-Electric, Southern Electric, SWALEC, S+S and SSE Power
Distribution are trading names of the Scottish and Southern Energy Group.
> **********************************************************************
>

<Prev in Thread] Current Thread [Next in Thread>