Sun E4000 HA system & RSM 219 disks

[Allan Pickett]

> Hi all,
>=20
> I just subscribed to this list (after checking some of the
> mailing archives.)
>=20
> Anyway, I have a question about HA cluster configs and
> the RSM 219 arrays.  I have a customer who is probably going
> to order the following config RSN:
>=20
> 2 x E4001 Servers (6 x 250 Mhz x 4 Mb cache CPU's, 1Gb memory each)
> 2 x RSM 219 arrays (about 30 x 9 Gb disks each)
> HA package, etc.
>=20
> Application is Oracle-based C/S, as well as some SAP financials.
> The Oracle app isn't very I/O intensive, but VERY CPU intensive,
> so I'm not too worried about the I/O performance on this one.
> Still, I'd like to have any comments about the RSM 219 vs 214 vs
> 114 (same amount of disk) performance-wise.  I figure that if the
> customer wants a mission critical system, he can just as well pay
> for a RSM 200-series (as opposed to a 100-series) for the extra
> RAS features.
>=20
> Another question is about the RAID 5 performance of this baby.
> We are planning to use RAID 0+1, but RAID 5 would give us
> much more disk to play with ;)  Is the RAID 5 performance really
> so much worse?
>=20
> Last question:  I assume that if a customer orders a system like
> this now, he gets Sun Enterprise Volume manager 2.4 instead of=20
> Veritas 2.4.  Is this true?  Is there any difference?  As an aside,
> I see that the newest Sun TPC benchmarks (out this week) was run
> using Veritas 2.5
>=20

This would not be of concern, Solstice HA 1.3 only
supports ODS,