|
The third is a place to boot the new system from whether that is an image
catalog on VIOS, a network based catalog on the existing system, or a
physical disk. DO NOTE I have seen in this thread references to 'far far
away'
I have never hit a limit of virtual optical total capacity of the image
catalog and I have migrated multi-TB systems this way.
The biggest thing is having enough disk space.
The second is enough network to push it all.
The third is a place to boot the new system from whether that is an image
catalog on VIOS, a network based catalog on the existing system, or a
physical disk. DO NOTE I have seen in this thread references to 'far far
away' and if you are trying to IPL from the network to install IBM i LIC
using TFTP/NFS that is across the country that will with high probability
fail across a WAN. It IS sensitive to latency. I do it across the state of
MI but that's on dedicated private fiber with 4ms latency, It sometimes
fails over the link to my home office with a 15ms latency. So be warned.
- Larry "DrFranken" Bolhuis
www.Frankeni.com
www.iDevCloud.com - Personal Development IBM i timeshare service.
www.iInTheCloud.com - Commercial IBM i Cloud Hosting.
On 12/20/2017 11:01 AM, Rob Berendt wrote:
<snip>This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list
I have not researched inherent limit of virtual optical but I do like that
idea of backing everything
up and transmitting an image then installing raw from the image. I've
never done that, but it really works?
Again, is there a limit to the size of the virt opt image?
</snip>
It's pretty darn big if there is a limit.
Keep in mind that virtual optical is an "image catalog". Very important
term.
Each "image catalog" has multiple "image catalog entries".
I have one image catalog composed of 6 image catalog entries. Each entry
is between 1-4GB. This is just the latest PTF cume and groups.
Name Size
CUME_1.bin 4,145,152K
CUME_4.bin 3,801,088K
CUME_5.bin 3,784,704K
CUME_3.bin 3,407,872K
CUME_6.bin 2,048,000K
CUME_2.bin 1,392,640K
I've done OS upgrades with a LOT more entries.
I think there's a limit of 1TB on each image catalog entry.
https://www.ibm.com/support/knowledgecenter/en/ssw_ibm_i_73/
rzamp/rzampother.htm
You might want to verify that for 7.1. Just change the dropdown on the
left.
Rob Berendt
--
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