Re: [xcat-user] choosing kernel for genimage (xCAT 2.13.4)

Mon, 03 Dec 2018 17:58:36 -0800

Hi David,
 
Thanks you pointing out that the doc is not clear about "kerneldir", and make you confused about "kerneldir" and "pkgdir".
 
Here you should use "pkgdir" to append kernels repo directory into pkgdir.  Here is my example, could you try like this, if you have problems, contact me freely.
 
]# ls /install/kernels/3.10.0-860.el7.x86_64/
dracut-033-535.el7.x86_64.rpm
dracut-network-033-535.el7.x86_64.rpm
kernel-3.10.0-860.el7.x86_64.rpm
linux-firmware-20180220-62.git6d51311.el7.noarch.rpm
repodata
 
]# chdef -t osimage rhels7.3-x86_64-netboot-compute -p pkgdir=/install/kernels/3.10.0-860.el7.x86_64
 
]# lsdef -t osimage rhels7.3-x86_64-netboot-compute -i pkgdir
Object name: rhels7.3-x86_64-netboot-compute
    pkgdir=/install/rhels7.3/x86_64,/install/kernels/3.10.0-860.el7.x86_64
 
]# genimage rhels7.3-x86_64-netboot-compute -k 3.10.0-860.el7.x86_64
 
]# packimage rhels7.3-x86_64-netboot-compute
 
 
 
 
Best Regards
--------------------------------------------------
Yuan Bai (白媛)

CSTL HPC System Management Development
Tel:86-10-82451401
E-mail: by...@cn.ibm.com
Address: IBM ZGC Campus. Ring Building 28,
ZhongGuanCun Software Park,No.8 Dong Bei Wang West Road, Haidian District,
Beijing P.R.China 100193

IBM环宇大厦
北京市海淀区东北旺西路8号，中关村软件园28号楼
邮编:100193
 
 
----- Original message -----
From: David Johnson <david_john...@brown.edu>
To: xCAT Users Mailing list <xcat-user@lists.sourceforge.net>
Cc:
Subject: Re: [xcat-user] choosing kernel for genimage (xCAT 2.13.4)
Date: Tue, Dec 4, 2018 12:16 AM
 
The document seems to have a problem with the examples —
the description talks about “kerneldir” attribute, but the example uses “pkgdir”. 
When I use pkgdir it clobbers the existing value (/install/rhels7.3/x86_64) 
with new value (/install/kernels/3.10.0-862.14.14.el7.x86_64)
 
I think it should say chdef -t osimage <> -p kerneldir=<> 
I got further using that format. However, I’m still having trouble with the packimage
command “Error: Cannot find rhels7.3-x86_64-neboot-comp_kup from the linuximage table.
But it’s there:
[root@mgt5 ~]# tabdump linuximage | grep rhels7.3-x86_64-netboot-comp_kup
"rhels7.3-x86_64-netboot-comp_kup",,,,,"/install/kernels/3.10.0-862.14.4.el7.x86_64,/install/rhels7.3/x86_64",,,,,,"/install/kernels/3.10.0-862.14.14.el7.x86_64",,,,,,,,,,,,
 
Thanks for the pointers,
 
 — ddj
 
On Dec 3, 2018, at 4:08 AM, Yuan Y Bai <by...@cn.ibm.com> wrote:
 
 
Hi David,
 
Do you want to create osimage to use RHEL 7.5 kernel rpms based on RHEL 7.3 .iso?
 
I think you can refer to examples in this doc, if you have problem, contact us freely.
 
 
 
Best Regards
--------------------------------------------------
Yuan Bai (白媛)

CSTL HPC System Management Development
Tel:86-10-82451401
E-mail: by...@cn.ibm.com
Address: IBM ZGC Campus. Ring Building 28,
ZhongGuanCun Software Park,No.8 Dong Bei Wang West Road, Haidian District,
Beijing P.R.China 100193

IBM环宇大厦
北京市海淀区东北旺西路8号，中关村软件园28号楼
邮编:100193
 
 
----- Original message -----
From: David Johnson <david_john...@brown.edu>
To: xCAT Users Mailing list <xcat-user@lists.sourceforge.net>
Cc:
Subject: [xcat-user] choosing kernel for genimage (xCAT 2.13.4)
Date: Sat, Dec 1, 2018 3:47 AM
 
I am trying to build new netboot images based on the RHEL 7.3 .iso,
while updating only the kernel (to the one released with RHEL 7.5).
I would like to retain the ability to rebuild the original images.
It seems to me that “otherpkgs” is probably too late, as the kernel
and initrd are populated  first.  

If I drop the updated RPMS in /install/rhels7.3/x86_64/Packages
and rebuild the repo, it should choose the newer ones. Then I’d
need the -g and/or -k options to genimage to use the originals.
Does this make sense or is there an easier way?

Thanks,
 — ddj
Dave Johnson

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