Veritas-bu

[Veritas-bu] HP Master w/NBU 4.5 - Which file system is recommended?

2002-10-08 09:04:24
Subject: [Veritas-bu] HP Master w/NBU 4.5 - Which file system is recommended?
From: jlkennedy AT amcc DOT com (Jeff Kennedy)
Date: Tue, 08 Oct 2002 06:04:24 -0700
I can't speak for HFS but UFS under Sun from 7 on can be mounted with
the logging option.  This effectively removes the fsck requirement since
it replays the intent logs instead of having to compare every super
inode.  Bazzilion times faster, very similar to VxFS.

~JK

"Jeff A. Earickson" wrote:
> 
> Hi,
>    Except for the /stand filesystem (where the files needed for booting
> live), the default in HPUX 11.x is to have VxFS as the filesystem for
> everything else.  I highly recommend using this.  If you have a power
> failure and you have a lot of disks/filesystems, HFS will take forever
> to come back up because fsck on HFS takes a long time.  With VxFS, it
> is almost instantaneous.  I have never had any problems with VxFS on
> HP systems, and loved it.
> 
>    That said, I would not recommend using it on Sun systems (my
> master/media server is a Sun).  I started life with Suns using VxFS,
> and I made the sad mistake of encapsulating my root/boot disk with VxFS.
> This totally screwed up my ability to get a crash dump off of swap if
> a system paniced.  I couldn't do it.  For the size of systems that I
> have, Sun's DiskSuite product does a fine job of striping, mirroring,
> and transaction logging.  The caveat here is that if a fsck needs to
> done at boot time, it will take a while with DiskSuite because the
> underlying filesystem is still UFS.  I would only consider Veritas VxFS
> on a Sun box that has a very large external disk farm.
> 
>   If any of you readers are Veritas employees, urge your company to work
> more closely with Sun to encorporate VFS and Volume Manager into Sun's
> OS, like HP did.  The default VxFS filesystems in HPUX are the one thing
> I love about that OS, compared to Solaris.  I would like to see the
> same thing in Solaris.
> 
> ** Jeff A. Earickson, Ph.D                         PHONE: 207-872-3659
> ** Senior UNIX Sysadmin, Information Technology    EMAIL: jaearick AT colby 
> DOT edu
> ** Colby College, 4214 Mayflower Hill,               FAX: 207-872-3076
> ** Waterville ME, 04901-8842
> ----------------------------------------------------------------------------
> 
> On Mon, 7 Oct 2002 briandiven AT northwesternmutual DOT com wrote:
> 
> > Date: Mon, 7 Oct 2002 16:10:33 -0500
> > From: briandiven AT northwesternmutual DOT com
> > To: Veritas-bu AT mailman.eng.auburn DOT edu
> > Subject: [Veritas-bu] HP Master w/NBU 4.5 - Which file system is
> >     recommended?
> >
> > I had heard a recommendation to not use Veritas VxFS on my HP-UX master
> > or media server, but that HFS would be acceptable.  Is there truly a
> > recommendation and/or any reasoning for this that you may be aware of?
> >
> > TIA
> >
> > Brian Diven
> > Enterprise Storage Management
> > Northwestern Mutual
> > (414) 665-6123
> >
> >
> 
> _______________________________________________
> Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
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-- 
=====================
Jeff Kennedy
Unix Administrator
AMCC
jlkennedy AT amcc DOT com

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