ECTED] On Behalf Of
David E Ehresman
Sent: Thursday, December 07, 2006 11:32 AM
To: ADSM-L@VM.MARIST.EDU
Subject: Re: [ADSM-L] Survey Question for Virtual Tape Users: What
Vendors are you using for Virtual Tape?
The other advantage of a VTL over a disk subsystem when implementing an
all disk stor
>> On Mon, 11 Dec 2006 15:24:12 -0500, Orville Lantto <[EMAIL PROTECTED]> said:
> The killer feature of VTLs is data de-duplication, which is beginning to
> be available.
No, no! An elephant is like a snake! [1]
The killer feature of VTLs is that it permits underutilized tapes with
just a fe
PROTECTED]
www.glasshouse.com
-Original Message-
From: ADSM: Dist Stor Manager [mailto:[EMAIL PROTECTED] On Behalf Of
Mark Stapleton
Sent: Monday, December 11, 2006 2:08 PM
To: ADSM-L@VM.MARIST.EDU
Subject: Re: [ADSM-L] Survey Question for Virtual Tape Users: What
Vendors are you using for
From: ADSM: Dist Stor Manager [mailto:[EMAIL PROTECTED] On Behalf Of
Roger Deschner
>I keep hearing it said, that if you're going to buy a great big disk
>array for TSM, that it works better if you let TSM know it has disks
>(DEVCLASS=FILE), than if you lie and try to tell it they are virtual
>tape
Keeping large filesystems mounted ties up OS memory? Creating storage
pool volumes ties up TSM database space? Keeping filesystems mounted
all the time increases the likelihood that a crash will lead to
corruption?
How much perl scripting would be required to emulate an external type
library by m
M
To: ADSM-L@VM.MARIST.EDU
Subject: Re: [ADSM-L] Survey Question for Virtual Tape Users: What
Vendors are you using for Virtual Tape?
The other advantage of a VTL over a disk subsystem when implementing an
all disk storagepool is that lan-free will work to a VTL but not to FILE
disk (without San
] On Behalf
Of
Roger Deschner
Sent: donderdag 7 december 2006 9:35
To: ADSM-L@VM.MARIST.EDU
Subject: Re: Survey Question for Virtual Tape Users: What Vendors are
you using for Virtual Tape?
I keep hearing it said, that if you're going to buy a great big disk
array for TSM, that it works better if
Roger,
What do you recommend as a RESOURCEUTILIZATION for restores of large
files systems?
David
>>> Roger Deschner <[EMAIL PROTECTED]> 12/7/2006 3:35 AM >>>
I keep hearing it said, that if you're going to buy a great big disk
array for TSM, that it works better if you let TSM know it has disks
06 04:36 PM
Please respond to "ADSM: Dist Stor Manager"
To: ADSM-L@VM.MARIST.EDU
cc:
Subject: Re: Survey Question for Virtual Tape Users: What
Vendors are you using
for Virtual Tape?
Based on your config I'm guessing you're having troubl
:[EMAIL PROTECTED] On Behalf Of
Roger Deschner
Sent: donderdag 7 december 2006 9:35
To: ADSM-L@VM.MARIST.EDU
Subject: Re: Survey Question for Virtual Tape Users: What Vendors are
you using for Virtual Tape?
I keep hearing it said, that if you're going to buy a great big disk
array for TSM, that it
I keep hearing it said, that if you're going to buy a great big disk
array for TSM, that it works better if you let TSM know it has disks
(DEVCLASS=FILE), than if you lie and try to tell it they are virtual
tapes. Cheaper too, because you don't have that VTL layer in there.
Simpler to administer be
pport, so
> you have an idea just how fast you can push AND /pull 1 TB of data IN A
> SINGLE LARGE FILE. There are a lot of VTL's on the market, and they all
> have different throughput ratings.
>
> Wanda Prather
> "I/O, I/O, It's all about I/O" -(me)
>
st Stor Manager [mailto:[EMAIL PROTECTED] On Behalf Of
Nancy L Backhaus
Sent: Wednesday, December 06, 2006 2:20 PM
To: ADSM-L@VM.MARIST.EDU
Subject: [ADSM-L] Survey Question for Virtual Tape Users: What Vendors
are you using for Virtual Tape?
Background:
Tivoli Storage Manager Extended Edition 5.3.2.2
Op
06, 2006 3:09 PM
To: ADSM-L@VM.MARIST.EDU
Subject: Re: [ADSM-L] Survey Question for Virtual Tape Users: What
Vendors are you using for Virtual Tape?
I concur with Kelly's evaluation.
Where VTL's really shine:
-On restores of multiple files (like restoring a large direc
rom: ADSM: Dist Stor Manager [mailto:[EMAIL PROTECTED] On Behalf Of
Kelly Lipp
Sent: Wednesday, December 06, 2006 4:36 PM
To: ADSM-L@VM.MARIST.EDU
Subject: Re: Survey Question for Virtual Tape Users: What Vendors are
you using for Virtual Tape?
Based on your config I'm guessing you're ha
vey Question for Virtual Tape Users: What Vendors
are you using for Virtual Tape?
Background:
Tivoli Storage Manager Extended Edition 5.3.2.2 Op System AIX 5.3 ML 3
Nightly Backup 2 -2 1/2 TB Library - ADIC I2000 Scalar
18 LTO Tape Drives
LTO 2 Tapes
600 slots
Clients - 135 (Wintel)
AIX -26 (
12/06/2006 12:19 PM
Please respond to
"ADSM: Dist Stor Manager"
To
ADSM-L@VM.MARIST.EDU
cc
Subject
[ADSM-L] Survey Question for Virtual Tape Users: What Vendors are you
using for Virtual Tape?
Background:
Tivoli Storage Manager Extended Edition 5.3.2.2
Op System AIX 5.3 ML 3
Background:
Tivoli Storage Manager Extended Edition 5.3.2.2
Op System AIX 5.3 ML 3
Nightly Backup 2 -2 1/2 TB
Library - ADIC I2000 Scalar
18 LTO Tape Drives
LTO 2 Tapes
600 slots
Clients - 135 (Wintel)
AIX -26 (Sybase, SQL, and DB2)
We are looking into Virtual Tape Technology for our environment.
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