RE: VTLs and backup time

date: Mon, 22 Aug 2022 01:52:21 +0000
from: Rob Berendt <rob@xxxxxxxxx>
subject: RE: VTLs and backup time

I thought BRMS was now bundled with IBM i. It is not. But you also need
"Media and Storage Extensions" and that is now bundled.
You'll have to ask your business partner what the price is.

Since you'll have a PROD and a DEV system using this I recommend the
advanced and networking features. Especially the networking feature.

There are those who believe that a VTL should still have an air gap. That
VTL's
1 - have to have some sort of OS and it's probably a linux derivative.
2 - Since you can get to it to manage it via TCP/IP then maybe ransomware
can too


https://www.ibm.com/common/ssi/ShowDoc.wss?docURL=/common/ssi/rep_sm/1/877/ENUS5770-BR1/index.html&lang=en&request_locale=en


Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1
Group Dekko
Dept 1600
Mail to: 7310 Innovation Blvd, Suite 104
Ft. Wayne, IN 46818
Ship to: 7310 Innovation Blvd, Dock 9C
Ft. Wayne, IN 46818
http://www.dekko.com

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Sent: Saturday, August 20, 2022 3:15 AM
To: midrange-l@xxxxxxxxxxxxxxxxxx
Subject: RE: VTLs and backup time

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Rob,
6.7Gbps is fast indeed, I'm swayed.

How much is BRMS? (is included in 7.5 ?)

I'll look for local vendors of VTLs.

Thanks
Gad

P.S.
Since VTL is a server with disk storage and a tape emulation SW
it is still vulnerable to ransomware attack, is it not?

date: Fri, 19 Aug 2022 16:24:45 +0000

from: Rob Berendt <rob@xxxxxxxxx>
subject: RE: VTLs and backup time

During backups last night we had our technician running cacti to measure
the usage of the FC port.
A single system, running a backup with 4 drives running in parallel, was
eating 6.7Gbps.
It wouldn't be hard at all to blow the doors off of that 8gb adapter by
simply running multiple systems at the same time.

Compare that to a "300 MB/s Native data rate" of IBM's LTO 9 tape drive

at

https://www.ibm.com/storage/tape
Rather like comparing a high speed laser printer to the Flintstones bird
doing typing at https://www.youtube.com/watch?v=dksPCIJx9VU


Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1
Group Dekko
Dept 1600
Mail to: 7310 Innovation Blvd, Suite 104
Ft. Wayne, IN 46818
Ship to: 7310 Innovation Blvd, Dock 9C
Ft. Wayne, IN 46818
http://www.dekko.com


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