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NAS is just Network Attached storage, and unless your doing SCSI over IP,
your doing NFS. And in either case, all network issues are in place. I'm
not a big fan of NFS or NAS in any mission critical application, like ERP,
Databases or in a fail over system, and especially for managing NBU
catalogs. Disk is cheap, and if you use VERITAS Volume Manager and File
System you can grow volumes and file systems on the fly.
NAS is great for file services and sharing information that many people need
direct access to, which is not the case in any of the applications I
mentioned above.
NAS and NFS is subject to network problems, and direct attached SCSI is much
more stable.
This is my opinion and not to be mistaken with a VERITAS point of view,
Thanks,
Bob
-----Original Message-----
From: Price, Michael [mailto:MPrice AT dantis DOT com]
Sent: Tuesday, March 13, 2001 11:32 AM
To: 'Dennis Dwyer'; veritas-bu AT mailman.eng.auburn DOT edu; rajeev AT tigr
DOT org
Subject: RE: [Veritas-bu] Netbackup DB Catalog File Paths
It works fine, but NFS is not a technology that offers "guaranteed
uptime." That is not really in Veritas's hands, and they're not urging
anyone to use NFS for this.
My question is whether NAS is stable enough---whether NAS offers an
additional stablility to NFS that gives enough of a guarantee to use for the
NBU databases.
-----Original Message-----
From: Dennis Dwyer [ mailto:dfdwyer AT tecoenergy DOT com
<mailto:dfdwyer AT tecoenergy DOT com> ]
Sent: Tuesday, March 13, 2001 1:25 PM
To: veritas-bu AT mailman.eng.auburn DOT edu; rajeev AT tigr DOT org
Subject: Re: [Veritas-bu] Netbackup DB Catalog File Paths
I'm not using a NFS but I have mounted my NBU catalogs and files as a local
file system and have successfully grown it using Veritas Volume Manager
without any problem. I think, conceptually, you should be able to do it.
After all, isn't that the underlying basis for NAS and SAN? I would find it
peculiar that Veritas didn't support it with their own products. But hey ...
I've been misguided lots of times in my life.
Regards,
Dennis
Quote: "Time is not a test of the truth"
Translation: Just because you've always done it that way, doesn't make it
right
Dennis F. Dwyer
Enterprise Storage Manager
Tampa Electric Company
(813) 225-5181 - Voice
(813) 275-3599 - FAX
Visit our corporate website at www.tecoenergy.com
>>> "Karamchedu, Rajeev K." <rajeev AT tigr DOT org> 03/13/01 02:01PM >>>
Hello
Have you had any experiences with storing NB Catalogs
on an NFS Filesystems ? I am trying to find out if they
are problematic. Our netbackup catalog size is ever
increasing due to our increasing backup tasks
and I am thinking of throwing a part of it on a Netapp
filer so that I can grow it on demand..
(or I could add an internal disk, but that's only migrating
the problem to a future time...)
I appreciate your inputs.
Thanks
Rajeev
_______________________________________________
Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
<http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu>
_______________________________________________
Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
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<TITLE>RE: [Veritas-bu] Netbackup DB Catalog File Paths</TITLE>
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<DIV><SPAN class=356502617-15032001><FONT face=Arial color=#0000ff size=2>NAS
is
just Network Attached storage, and unless your doing SCSI over IP, your doing
NFS. And in either case, all network issues are in place. I'm not a
big fan of NFS or NAS in any mission critical application, like ERP, Databases
or in a fail over system, and especially for managing NBU catalogs. Disk
is cheap, and if you use VERITAS Volume Manager and File System you can grow
volumes and file systems on the fly.</FONT></SPAN></DIV>
<DIV><SPAN class=356502617-15032001><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=356502617-15032001><FONT face=Arial color=#0000ff size=2>NAS
is
great for file services and sharing information that many people need direct
access to, which is not the case in any of the applications I mentioned
above.</FONT></SPAN></DIV>
<DIV><SPAN class=356502617-15032001><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=356502617-15032001><FONT face=Arial color=#0000ff size=2>NAS
and NFS is subject to network problems, and direct attached SCSI is much more
stable.</FONT></SPAN></DIV>
<DIV><SPAN class=356502617-15032001><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=356502617-15032001><FONT face=Arial color=#0000ff size=2>This
is my opinion and not to be mistaken with a VERITAS point of view,
</FONT></SPAN></DIV>
<DIV><SPAN class=356502617-15032001><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=356502617-15032001><FONT face=Arial color=#0000ff
size=2>Thanks,</FONT></SPAN></DIV>
<DIV><SPAN class=356502617-15032001><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=356502617-15032001><FONT face=Arial color=#0000ff
size=2>Bob</FONT></SPAN></DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B> Price, Michael
[mailto:MPrice AT dantis DOT com]<BR><B>Sent:</B> Tuesday, March 13, 2001
11:32
AM<BR><B>To:</B> 'Dennis Dwyer'; veritas-bu AT mailman.eng.auburn DOT edu;
rajeev AT tigr DOT org<BR><B>Subject:</B> RE: [Veritas-bu] Netbackup DB
Catalog File
Paths<BR><BR></FONT></DIV><BR>
<P> <FONT size=2>It works fine, but
NFS is not a technology that offers "guaranteed uptime." That is not
really in Veritas's hands, and they're not urging anyone to use NFS for
this.</FONT></P>
<P> <FONT size=2>My question is
whether NAS is stable enough---whether NAS offers an additional stablility to
NFS that gives enough of a guarantee to use for the NBU databases.</FONT></P>
<P><FONT size=2>-----Original Message-----</FONT> <BR><FONT size=2>From:
Dennis Dwyer [<A
href="mailto:dfdwyer AT tecoenergy DOT com">mailto:dfdwyer AT tecoenergy DOT
com</A>]</FONT>
<BR><FONT size=2>Sent: Tuesday, March 13, 2001 1:25 PM</FONT> <BR><FONT
size=2>To: veritas-bu AT mailman.eng.auburn DOT edu; rajeev AT tigr DOT
org</FONT> <BR><FONT
size=2>Subject: Re: [Veritas-bu] Netbackup DB Catalog File Paths</FONT>
</P><BR>
<P><FONT size=2>I'm not using a NFS but I have mounted my NBU catalogs and
files as a local file system and have successfully grown it using Veritas
Volume Manager without any problem. I think, conceptually, you should be able
to do it. After all, isn't that the underlying basis for NAS and SAN? I would
find it peculiar that Veritas didn't support it with their own products. But
hey ... I've been misguided lots of times in my life.</FONT></P>
<P><FONT size=2>Regards,</FONT> <BR><FONT size=2>Dennis</FONT> </P><BR>
<P><FONT size=2>Quote: "Time is not a test of the truth"</FONT> <BR><FONT
size=2>Translation: Just because you've always done it that way, doesn't make
it right</FONT> </P>
<P><FONT size=2>Dennis F. Dwyer</FONT> <BR><FONT size=2>Enterprise Storage
Manager</FONT> <BR><FONT size=2>Tampa Electric Company</FONT> </P>
<P><FONT size=2>(813) 225-5181 - Voice</FONT> <BR><FONT size=2>(813)
275-3599 - FAX</FONT> </P>
<P><FONT size=2>Visit our corporate website at www.tecoenergy.com</FONT> </P>
<P><FONT size=2>>>> "Karamchedu, Rajeev K." <rajeev AT tigr DOT
org>
03/13/01 02:01PM >>></FONT> <BR><FONT size=2>Hello</FONT> </P><BR>
<P><FONT size=2>Have you had any experiences with storing NB Catalogs</FONT>
<BR><FONT size=2>on an NFS Filesystems ? I am trying to find out if
they</FONT> <BR><FONT size=2>are problematic. Our netbackup catalog size is
ever</FONT> <BR><FONT size=2>increasing due to our increasing backup
tasks</FONT> <BR><FONT size=2>and I am thinking of throwing a part of it on a
Netapp</FONT> <BR><FONT size=2>filer so that I can grow it on demand..</FONT>
</P>
<P><FONT size=2>(or I could add an internal disk, but that's only
migrating</FONT> <BR><FONT size=2>the problem to a future time...)</FONT> </P>
<P><FONT size=2>I appreciate your inputs.</FONT> </P>
<P><FONT size=2>Thanks</FONT> </P>
<P><FONT size=2>Rajeev</FONT> <BR><FONT
size=2>_______________________________________________</FONT> <BR><FONT
size=2>Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT
edu
</FONT><BR><FONT size=2><A target=_blank
href="http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu";>http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu</A></FONT>
</P>
<P><FONT size=2>_______________________________________________</FONT>
<BR><FONT size=2>Veritas-bu maillist -
Veritas-bu AT mailman.eng.auburn DOT edu</FONT> <BR><FONT size=2><A
target=_blank
href="http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu";>http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu</A></FONT>
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