Hi Bernard
I'm not surprised that you disagree with me, I would probably be scared if
you agreed with me.
However, working closely to StorageTek here in Sweden, I don't say that
Storagetek libraries isn't good.
However, as my primary function is to work with TSM and closely connected
components(EDT, BMR and HSM), I have customers running both StorageTek
libraries and IBM libraries.
The support from StorageTek here in Sweden hasn't been comparable to the
support given from IBM. This is perhaps a local problem, however, for me,
it isn't interesting how the support works in the US, as I'm working in
Sweden.
We had a large customer that bought a StorageTek L700 with 3 LTO drives.
Here are the problems that we had:
1.) We didn't get the question from STK which drives we wanted to use. The
library was delivered with Seagate drives. However, at this perticular
time, TSM didn't support Seage LTO drives. STK knew that the customer was
running TSM.
2.) The LTO drives wasn't delivered until 6 month after the library had
been delivered. Mean while, we we're running 3 DLT 7000 drives, as we had
to have a backup of all the servers. We didn't have time to wait for the
LTO drives, as the customers old library(a Compaq library) had been
outgrown.
3.) When we got the drives, we ran into the problem described in 1.). We
had to wait for another 2 month to get IBM drives that we're supported by
TSM.
4.) When we got the drives, the STK people installed the drives in the
library. However, after they had left, we discovered that the firmware
level of the library was too old.
However, I have customers running both L40, L80 and L180. Haven't had any
problems with theese libraries.
Perhaps other people have more positiv experience with the L700, however,
as I have described above, my experience isn't that positive.
I can understand that you disagree with me, as you're working within STK.
If I told IBM I didn't like their libraries, they probably wouldn't agree
with me either.
Best Regards
Daniel Sparrman
-----------------------------------
Daniel Sparrman
Daniel Sparrman
Exist i Stockholm AB
Bergkällavägen 31D
192 79 SOLLENTUNA
Växel: 08 - 754 98 00
Mobil: 070 - 399 27 51
"Survoy, Bernard J"
<SurvoBJ AT NORTHAMERICA DOT ST To: ADSM-L AT
VM.MARIST DOT EDU
ORTEK.COM> cc:
Sent by: "ADSM: Dist Subject: Re: Tape
Library Experiences
Stor Manager"
<ADSM-L AT VM.MARIST DOT EDU>
2002-03-08 13:08
Please respond to "ADSM:
Dist Stor Manager"
While for obvious reasons I disagree with a number of Daniel's statements,
the last statement:
Also, when buying the Storagetek LTO, you don't really know what kind of
drives you will get in your library(HP, Seagate, IBM). This has made some
problems in the past, as all drives aren't equally supported by Tivoli(or
wasn't at least).
is particularly problematic in that when a customer orders a LTO library
from STK, they have the CHOICE of LTO transports from either IBM, HP, or
Seagate. These drives all have different performance characteristics and
attributes, allowing the customer to choose the best transport for their
environment. While device support for a particular vendor offering may
come
at different TSM software levels, if a drive is supported by Tivoli, it is
supported, period.
Thanks,
Bernie Survoy
Consulting Systems Engineer
Phone: 216 615-9324
Cell: 330 321-3787
StorageTek
Information made Powerful
-----Original Message-----
From: Daniel Sparrman [mailto:daniel.sparrman AT EXIST DOT SE]
Sent: March 07, 2002 12:57 AM
Subject: Re: Tape Library Experiences
Hi
I have experience in both L700, 3584 and 3583.
Whats the reason for doing a combination of either 3584/3583 or L700/L80?
The 3584 is probably the library that is easiest to install and manage. It
is also the library that is most expandable(6 frames).
The 3583 is as the 3584, very reliable.
However, I'd guess that the IBM libraries is a bit more expensive than the
Storagetek libraries.
The L700 is a good library, however normally the support from StorageTek
when using TSM isn't as good as IBM support. I've had some firmware and
drive level problems earlier with the L700.
My best advice, is to use a fibre-attached 3584 library. The throughput
from
the fibre drives are much better than using LVD or HVD.
I've seen throughput up to 28MB/s through a SAN switch using FC drives on
the 3584.
With the 3583, you only get LVD/HVD, but you can attach it to a SAN using
SDG modul. This isn't a performance upgrade though.
Also, when buying the Storagetek LTO, you don't really know what kind of
drives you will get in your library(HP, Seagate, IBM). This has made some
problems in the past, as all drives aren't equally supported by Tivoli(or
wasn't at least).
Best Regards
Daniel Sparrman
-----------------------------------
Daniel Sparrman
Daniel Sparrman
Exist i Stockholm AB
Bergkällavägen 31D
192 79 SOLLENTUNA
Växel: 08 - 754 98 00
Mobil: 070 - 399 27 51
"Marvin, John H." <John.Marvin AT MICHAELFOODS DOT COM>
Sent by: "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
2002-03-06 14:18 CST
Please respond to "ADSM: Dist Stor Manager"
To: ADSM-L AT VM.MARIST DOT EDU
cc:
bcc:
Subject: Tape Library Experiences
Hello ADSMer's,
We are trying to decide on which LTO tape library to purchase for our UNIX
/
NT environment. This library will be replacing a STK 9710 with DLT 7000
drives.
Our environment is:
TSM Server 4.2.1.11, on AIX 4.3.3 / Winterhawk node.
Clients range from 30+NT servers,
150 desktops,
SAP R/3 on Oracle (500GB on S7A),
SAP BW on Oracle (150 GB on SP2's),
and 15+ other Oracle databases on both NT and SP2's
We are looking at purchasing a combination of either the IBM 3583 and 3584
or the STK L80 and L700.
We would be interested in hearing any experiences (good and bad) for either
the IBM or STK products.
Thank You,
John Marvin
SAP R/3 Basis - Oracle DBA
Michael Foods, Inc
952.595.4787
mailto:john.marvin AT michaelfoods DOT com <mailto:john.marvin AT michaelfoods
DOT com>
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