Re: LAN Free (SAN) Backup

[Wouter V]

OK, I can accept that : it means that data transfers twice over the SAN :
from disk to server and from disk to SAN
tape storage, wright ?


-----Oorspronkelijk bericht-----
Van: ADSM: Dist Stor Manager [mailto:[EMAIL PROTECTED]]Namens Bill
Mansfield
Verzonden: woensdag 14 november 2001 16:00
Aan: [EMAIL PROTECTED]
Onderwerp: Re: LAN Free (SAN) Backup


Regarding your 4th bullet, there is no Server Less backup as yet.  In all
cases the data must be passed through a server between the SAN disk storage
and the SAN tape storage.



_____________________________
William Mansfield
Senior Consultant
Solution Technology, Inc




                    Wouter V
                    <wouter-v@EAS        To:     [EMAIL PROTECTED]
                    YNET.BE>             cc:
                    Sent by:             Subject:     LAN Free (SAN) Backup
                    "ADSM: Dist
                    Stor Manager"
                    <[EMAIL PROTECTED]
                    RIST.EDU>


                    11/14/2001
                    06:44 AM
                    Please
                    respond to
                    "ADSM: Dist
                    Stor Manager"






Hello,

I will soon implement my first TSM Server on a SAN network.

The SAN is connected with a MA8000 storage server, 5 NT clients, and 1 Sun
Unix server
Each machine has local disk + san-attached storage and will use TDP for
oracle to make backups
(data on the MA8000).

I read that a backup/archive of regular files is also possible since TSM
4.2.

Now, is it correct that with LAN-Free backup :

                - I can't use diskpools (on the SAN), with migration (next
storage pool)
to the tapelibrary, over the SAN ?
                - You always make a "direct connection" from the backup
client to the
storage device which takes the backup
                  (tape).  So data transfers twice through the SAN-switch ?
>From the
MA8000 storage server to the client
                  (storage agent) and then, from the client to the tape
library ?
                - The maximum number of concurrent clientbackups is limited
to the number
of drives in the library('s) ?
                  Because we can't use a SAN diskpool as destination the
number of mount
points is limited to the number of
                  drives ? (disk has unlimited number of mountpoints)
                - If I want to do Serverless backup / use SAN diskpools I
need Sanergy ?

Can you give me any advices concerning LAN-Free / Serverless backup ?

Thank you for your help.

Wouter V.
Unix System Engineer.