John R Pierce
2016-Oct-10 17:30 UTC
[CentOS] CentOS-7-x86_64-GenericCloud.raw very unusual format
On 10/10/2016 8:28 AM, Aliaksei Sheshka wrote:> $ wgethttp://cloud.centos.org/centos/7/images/CentOS-7-x86_64-GenericCloud.raw.xz > --2016-10-10 11:21:32-- > http://cloud.centos.org/centos/7/images/CentOS-7-x86_64-GenericCloud.raw.xz > Resolving cloud.centos.org (cloud.centos.org)... 162.252.80.138, > 2607:1680:0:1::2 > Connecting to cloud.centos.org > (cloud.centos.org)|162.252.80.138|:80... connected. > HTTP request sent, awaiting response... 404 Not Found > 2016-10-10 11:21:32 ERROR 404: Not Found. > > > As before I'm looking for a raw image, or a tar of the corresponding > file system,did you look in the directory to see what is there? http://cloud.centos.org/centos/7/images/ -- john r pierce, recycling bits in santa cruz
TE Dukes
2016-Oct-11 02:21 UTC
[CentOS] CentOS-7-x86_64-GenericCloud.raw very unusual format
> -----Original Message----- > From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On > Behalf Of John R Pierce > Sent: Monday, October 10, 2016 1:31 PM > To: centos at centos.org > Subject: Re: [CentOS] CentOS-7-x86_64-GenericCloud.raw very unusual > format > > On 10/10/2016 8:28 AM, Aliaksei Sheshka wrote: > > $ > > wgethttp://cloud.centos.org/centos/7/images/CentOS-7-x86_64- > GenericClo > > ud.raw.xz > > --2016-10-10 11:21:32-- > > http://cloud.centos.org/centos/7/images/CentOS-7-x86_64- > GenericCloud.r > > aw.xz Resolving cloud.centos.org (cloud.centos.org)... 162.252.80.138, > > 2607:1680:0:1::2 > > Connecting to cloud.centos.org > > (cloud.centos.org)|162.252.80.138|:80... connected. > > HTTP request sent, awaiting response... 404 Not Found > > 2016-10-10 11:21:32 ERROR 404: Not Found. > > > > > > As before I'm looking for a raw image, or a tar of the corresponding > > file system, > > did you look in the directory to see what is there? > > http://cloud.centos.org/centos/7/images/ >Hello, Just a question, what exactly are these images? I see it mentioned on the CentOS website but not a lot of info on exactly what it is and what it does. How does this differ from a CentOS 7 VM installed from an ISO? Are these just pre-made images? thanks
Aliaksei Sheshka
2016-Oct-11 12:16 UTC
[CentOS] CentOS-7-x86_64-GenericCloud.raw very unusual format
> > did you look in the directory to see what is there? > > http://cloud.centos.org/centos/7/images/ >Kind of, there is a CentOS-7-x86_64-GenericCloud.raw.tar.gz ( compare with CentOS-7-x86_64-GenericCloud.raw.xz ) But again link is not good, and why put raw disk inside the tar? It would me more natural to have compressed image so one can do {z,bz,xc}cat cloud.raw.xz > /dev/lvm/vm-disk for example. Official wiki link is broken regardless.
Karanbir Singh
2016-Oct-11 21:20 UTC
[CentOS] CentOS-7-x86_64-GenericCloud.raw very unusual format
On 11/10/16 03:21, TE Dukes wrote:> Just a question, what exactly are these images? > > I see it mentioned on the CentOS website but not a lot of info on exactly > what it is and what it does. > > How does this differ from a CentOS 7 VM installed from an ISO? Are these > just pre-made images?these are images prebuilt to work in cloud infrastructure like openshift / amazon ec2 etc. they are pre-setup with cloud-init tools and are formatted in different backing filetypes. you can use them for local VM's as well, but you will just need to do a bit more work since there is no way to login to the images without exporting the metadata externally to setup passwords and keys etc. -- Karanbir Singh +44-207-0999389 | http://www.karan.org/ | twitter.com/kbsingh GnuPG Key : http://www.karan.org/publickey.asc
Karanbir Singh
2016-Oct-11 21:22 UTC
[CentOS] CentOS-7-x86_64-GenericCloud.raw very unusual format
On 11/10/16 13:16, Aliaksei Sheshka wrote:>> >> did you look in the directory to see what is there? >> >> http://cloud.centos.org/centos/7/images/ >> > > Kind of, there is a CentOS-7-x86_64-GenericCloud.raw.tar.gz ( compare > with CentOS-7-x86_64-GenericCloud.raw.xz ) > > > But again link is not good, and why put raw disk inside the tar?This is how OracleCloud works, they are unable to consume a raw file directly. I agree, its a bit odd.> It would me more natural to have compressed image so one can do > {z,bz,xc}cat cloud.raw.xz > /dev/lvm/vm-disk for example.for the sake of size, lots of people prefer to download the qcow2c image ( note the compressed flag ), and qemu-img convert on their own end. Is that an option for your usecase ?> > Official wiki link is broken regardless.will try and get that fixed. -- Karanbir Singh +44-207-0999389 | http://www.karan.org/ | twitter.com/kbsingh GnuPG Key : http://www.karan.org/publickey.asc
Matthew Miller
2016-Oct-12 13:30 UTC
[CentOS] CentOS-7-x86_64-GenericCloud.raw very unusual format
On Tue, Oct 11, 2016 at 08:16:14AM -0400, Aliaksei Sheshka wrote:> Kind of, there is a CentOS-7-x86_64-GenericCloud.raw.tar.gz ( compare > with CentOS-7-x86_64-GenericCloud.raw.xz ) > But again link is not good, and why put raw disk inside the tar? > It would me more natural to have compressed image so one can do > {z,bz,xc}cat cloud.raw.xz > /dev/lvm/vm-disk for example.Earlier versions of xz (RHEL 5, I think?) didn't handle sparse files, and we put the Fedora raw cloud image inside a tar for that reason. I don't know if the same applies here, but it might. -- Matthew Miller <mattdm at fedoraproject.org> Fedora Project Leader
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