This explains a bit.  We're in the final stages of configuring a STK
BladeStore here, and went with VxVM /w DMP and LUNs no bigger than 1
TB (actual size of 990 Mb each) since we're using Solaris 8.  I
already have the first multi-TB concatenation (soon to be striping
based on recommendation from the Veritas folks here) up and failover
tested, two more to go.

Solaris 9 was entertained briefly, but my manager did some research
and told me we'll use Veritas instead.  Unfortunately the only problem
we're having now is with the number of LUNs that BladeStore can send
to one host (or host HBA pair, need to check with STK on that).

So far my rule of thumb with Solaris works:  Use the even-numbered
versions only.  (2.6 & 8 so far, so 10 once it goes live :-)


--TSK


On Wed, 25 Aug 2004, Hrvoje Crvelin wrote:

> I did had "problems" recently while building 5x1.7TB for file
> devices on Solaris 9 under the VxFS.
>
> We have uncovered a Sun TechTip document ID73684 that states:
>
> EFI is a new disk label format recently introduced in Solaris 9.  This
> label format is REQUIRED for all devices over 1TB in size, and cannot be
> converted to VTOC.
>
> The devices allocated in our case were 1.7TB in size, and there's more...
>
> The layered software products not intended for systems with EFI-labeled
> disks might be incapable of accessing a disk with an EFI disk label. (i.e.,
> current VxVM versions)
>
> and...
>
> - SVM and UFS file systems are compatible with the EFI disk label.  QFS
>   and VxFS support is coming in later versions.
>
> UFS was not an option in our case.  So, we simply created LUNS less than
> 1 TB and then combine them in Volume Manager.
>
> Above had nothing to do with Legato.  I know there are some limitations
> if your disk is beyond 1.8TB (this is why we had to go with 1.7 from
> original 2TB design) and they were related to EMC hardware apparently,
> but I would guess there are some other limitations.
>
> I believe Legato was simply referring to following Sun article:
> http://docs.sun.com/db/doc/817-0493/6mg9pruaf?a=view
> http://docs.sun.com/db/doc/817-3801/6mjcck32j?a=view
>
> (see SPARC: Multiterabyte Volume Support With EFI Disk Labels).
>
> Cheers,
> Hrvoje
>
>
> > -----Original Message-----
> > From: Legato NetWorker discussion
> > [mailto:NETWORKER AT LISTMAIL.TEMPLE DOT EDU] On Behalf Of Nick Tan
> > Sent: Mittwoch, 25. August 2004 00:42
> > To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
> > Subject: [Networker] Networker 7.1 filesystem limitations?
> >
> >
> > Hi all,
> >
> > I've just received the media kit for the Sun StorEdge
> > Enterprise Backup
> > System (Legato Networker) 7.1.  We are currently using 6.1 and I'll be
> > doing an upgrade soon.  However, in the release notes it states:
> >
> > Solaris 9 features not supported:
> > Multi Terabyte UFS file system support
> >
> > So does this mean that we cannot use multi terabyte filesystems on
> > solaris, as they won't get backed up?  Does this limitation apply to
> > vxfs filesystems also?
> >
> > Thanks,
> >
> > Nick
> >
> > --
> > Nick Tan
> > Unix Systems Manager
> > The Walter and Eliza Hall Institute
> > nick AT wehi.edu DOT au
> >
> > --
> > Note: To sign off this list, send a "signoff networker"
> > command via email
> > to listserv AT listmail.temple DOT edu or visit the list's Web site at
> > http://listmail.temple.edu/archives/networker.html where you can
> > also view and post messages to the list.
> > =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=
> >
>
> --
> Note: To sign off this list, send a "signoff networker" command via email
> to listserv AT listmail.temple DOT edu or visit the list's Web site at
> http://listmail.temple.edu/archives/networker.html where you can
> also view and post messages to the list.
> =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=
>




STATEMENT OF CONFIDENTIALITY

The information contained in this electronic message and any attachments
to this message are intended for the exclusive use of the addressee(s)
and may contain confidential or privileged information. If you are not
the intended recipient, please notify SunGard Trading Systems immediately
at (201) 499-5900 and destroy all copies of this message and any
attachments.

--
Note: To sign off this list, send a "signoff networker" command via email
to listserv AT listmail.temple DOT edu or visit the list's Web site at
http://listmail.temple.edu/archives/networker.html where you can
also view and post messages to the list.
=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=