XenServer 7 has launched!
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@scottalanmiller said in XenServer 7 has launched!:
I'm just saying what is a working variable on my server
XenServer 7 or CentOS?
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Summary:
[root@[server] ]# cat /etc/redhat-release XenServer release 7.0.0-125380c (xenenterprise) [root@[server] ]# cat /etc/centos-release XenServer release 7.0.0-125380c (xenenterprise) [root@[server] ]# yum version Installed: 7-2.1511.el7.centos.2.10/x86_64 -
@Kelly said in XenServer 7 has launched!:
@scottalanmiller said in XenServer 7 has launched!:
I'm just saying what is a working variable on my server
XenServer 7 or CentOS?
CentOS, because XS7 doesn't work.
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@Kelly said in XenServer 7 has launched!:
Summary:
[root@[server] ]# cat /etc/redhat-release XenServer release 7.0.0-125380c (xenenterprise) [root@[server] ]# cat /etc/centos-release XenServer release 7.0.0-125380c (xenenterprise) [root@[server] ]# yum version Installed: 7-2.1511.el7.centos.2.10/x86_64Is that after updating the yum.conf variable?
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@scottalanmiller said in XenServer 7 has launched!:
@Kelly said in XenServer 7 has launched!:
Summary:
[root@[server] ]# cat /etc/redhat-release XenServer release 7.0.0-125380c (xenenterprise) [root@[server] ]# cat /etc/centos-release XenServer release 7.0.0-125380c (xenenterprise) [root@[server] ]# yum version Installed: 7-2.1511.el7.centos.2.10/x86_64Is that after updating the yum.conf variable?
That is after setting it back to the default of distroverpkg=centos-release.
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@Kelly said in XenServer 7 has launched!:
@scottalanmiller said in XenServer 7 has launched!:
@Kelly said in XenServer 7 has launched!:
Summary:
[root@[server] ]# cat /etc/redhat-release XenServer release 7.0.0-125380c (xenenterprise) [root@[server] ]# cat /etc/centos-release XenServer release 7.0.0-125380c (xenenterprise) [root@[server] ]# yum version Installed: 7-2.1511.el7.centos.2.10/x86_64Is that after updating the yum.conf variable?
That is after setting it back to the default of distroverpkg=centos-release.
Okay, that's what I thought.
And yum still isn't working? Might have to just put in the manual repo updates then.
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It looks like /etc/centos-release isn't where that value is being pulled from. I edited the file and it didn't change the output of yum version.
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Well, I just went in and replaced every $releasever with 7 in the .repo files. I can now access yum. Now to figure out how to get my hands on drbd...
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@olivier said in XenServer 7 has launched!:
Using XO VM replication between 2 XS 7 hosts, initial copy of a 61GB VM in 8 minutes:
This is on a classic GB link.
Clearly, previous bottlenecks weren't in XO.
I have not seen anything like this on importing and exporting yet.
I am still getting super slow speeds.
Once I get all the VMs set up on the same machine, I will do some official testing.
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So you'll have to find the super slow bottleneck
My lab is pretty simple, if you need more info on how I achieved those speeds, tell me
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@olivier said
My lab is pretty simple, if you need more info on how I achieved those speeds, tell me
Well, in theory if I have two machines on a 1GB link, I should see speeds similar to yours, right?
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There is no magic: you need to have enough write speed on the target and read speed on the source.
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@olivier said
There is no magic: you need to have enough write speed on the target and read speed on the source.
Yeah, I'll set up some tests once I am done getting everything set back up.
Right now it's clipping along at 5MB/s so it's taking forever.....
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@olivier said in XenServer 7 has launched!:
There is no magic: you need to have enough write speed on the target and read speed on the source.
What is the sustained write speed on a SATA drive? I'm guessing it must be a lot lower than 120 MB/s??
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Depends of the drive, roughly between 40 and 60 MiB/s
edit: for a HDD
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@BRRABill said in XenServer 7 has launched!:
@olivier said
There is no magic: you need to have enough write speed on the target and read speed on the source.
Yeah, I'll set up some tests once I am done getting everything set back up.
Right now it's clipping along at 5MB/s so it's taking forever.....
Something is wrong with that picture. Even older SATA drives can hit 100MB/s. 100MB network connection could be topping out at that.
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For me, this is SSD going to SSD.
Granted, this current import is from my 100mbps desktop connection, but still, 40mbps is slow.
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I'm importing a 40GB VM, and it's already been almost 2 hours, which is about what 40GB takes to transfer at 5MB/s.
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@BRRABill said in XenServer 7 has launched!:
For me, this is SSD going to SSD.
Granted, this current import is from my 100mbps desktop connection, but still, 40mbps is slow.
That's within reason for a 100Mb network connection. The best I've seen out of a 100Mb network is 9MB/sec, that's on a network with zero other traffic.
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@BRRABill 1Gb networks are much nicer, and not any more expensive anymore. For future consideration.
