|
I don't see that in my iNav. Libraries are different. I see that in Stand
Alone devices.
image pasted, thus BCC to your personal address.
Rob Berendt
--
Group Dekko
Dept 1600
Mail to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com
From: Luis Rodriguez <luisro58@xxxxxxxxx>
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Date: 09/06/2011 03:08 PM
Subject: Re: What do I set the block size to on virtual tape to
dup to LTO3?
Sent by: midrange-l-bounces@xxxxxxxxxxxx
------------------------------
Rob,
I'm afraid that we don't have tape libs here but, for our single LTO-3, in
the "properties" window, on the third tab ("Capabilities"?) it shows
"Densities and capabilities supported" (loose translation). In the info I
have it shows, for say, *ULTRIUM3:
Optimal Block Size: 262144.
Max Block Size: 262144
So, according to the TechDoc, the block size should be *VRT256K (262,144
bytes):
---
Volumes with a density of *VRT256K use an optimum block size of 256KB and
are compatible with 35xx type devices and the newer QIC tape devices.
---
HTH,
Luis Rodriguez
IBM Certified Systems Expert — eServer i5 iSeries
--
On Tue, Sep 6, 2011 at 1:30 PM, <rob@xxxxxxxxx> wrote:
I tried the iNav hint and got no information.dup
Rob Berendt
--
Group Dekko
Dept 1600
Mail to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com
From: Luis Rodriguez <luisro58@xxxxxxxxx>
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Date: 09/06/2011 01:47 PM
Subject: Re: What do I set the block size to on virtual tape to
to LTO3?https://www-304.ibm.com/support/docview.wss?uid=nas1a370fba852b0d20f862571240067973e
Sent by: midrange-l-bounces@xxxxxxxxxxxx
Rob,
I'm afraid that I cannot help you directly on this, but on my "tips"
library
I have filed the following IBM TechDoc:
*Using Virtual Tape on the IBM System i5*
are
Tiny URL:
http://tinyurl.com/3k25rqx
Which states:
*Density
The density (format) parameter limits the block size that can be written
to
a virtual tape volume so that the volume will be compatible for
duplication
to your physical tape device.
o
Volumes with a density of *VRT256K use an optimum block size of 256KB and
are compatible with 35xx type devices and the newer QIC tape devices.
o
Volumes with a density of *VRT240K use an optimum block size of 240KB and
are compatible with VXA and 8mm technology devices and the 35xx and newer
QIC devices.
o
Volumes with a density of *VRT64K use an optimum block size of 64KB and
are
compatible with 3490F Model 18 track media, VXA and 8mm technology
devices,
and with the 35xx and newer QIC devices.
o
Volumes with a density of *VRT32K do not use an optimum block size and
compatible with all devices.an
The virtual tape media cannot be copied to physical media if you choose
incompatible block size. Ensure a virtual tape density with a block sizedisplay
that is compatible with the physical tape devices on your system is
selected
by performing one of the following:
o
In iSeries Navigator, expand Configuration and Service > Hardware > Tape
Devices > Tape Libraries > Tape Resources for tape library devices. Next,
right click on the device that you want to view and select Properties to
display the supported block sizes for your tape device.
o
In iSeries Navigator, expand Configuration and Service > Hardware > Tape
Devices > Stand-Alone Devices for stand alone tape devices. Next, right
click on the device that you want to view and select Properties to
the supported block sizes for your tape device.that
o
Save a small library to your physical tape drive with the USEOPTBLK
parameter set to *YES. Type DSPTAP DATA(*LABELS) in the command line, and
use the Block Length field to see the block size that was used.
HTH,
o In iSeries Navigator, expand Configuration and Service > Hardware >
Tape
Devices > Tape Libraries > Tape Resources for tape library devices. Next,
right click on the device that you want to view and select Properties to
display the supported block sizes for your tape device. o In iSeries
Navigator, expand Configuration and Service > Hardware > Tape Devices
Stand-AloneDevices for stand alone tape devices. Next, right click on the device
you want to view and select Properties to display the supported blockthe
sizes
for your tape device. o Save a small library to your physical tape drive
with the USEOPTBLK parameter set to *YES. Type DSPTAP DATA(*LABELS) in
command line, and use the Block Length field to see the block size that.
was
used.
*
Luis Rodriguez
IBM Certified Systems Expert — eServer i5 iSeries
--
On Tue, Sep 6, 2011 at 10:36 AM, <rob@xxxxxxxxx> wrote:
What do I set the block size to on virtual tape to dup to LTO3?list
3573 or 3576 will be the physical drives.
Rob Berendt
--
Group Dekko
Dept 1600
Mail to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com
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