| --- | Log | opened Fri Jun 23 00:01:01 2006 |
| 00:01 | <tessier> | Xen has been saving my domains when I shut down my machine. |
| 00:01 | <tessier> | But what if I mount the fs and do things with it while the xen instance is saved? |
| 00:01 | <tessier> | And then I bring the xen instance back up? |
| 00:01 | <tessier> | Won't that screw things up? |
| 00:01 | <tessier> | I think I just ran into that problem. |
| 00:01 | <tessier> | I did not realize xen was saving the domain. |
| 00:01 | <tessier> | Now my fs is full of nasty errors. :( |
| 00:02 | <murb> | tessier: yes that will happen :( |
| 00:02 | <tessier> | Hope I don't lose too much email in this fsck. |
| 00:02 | <murb> | if you save a domain change the fs and restart it. |
| 00:02 | <murb> | :( |
| 00:02 | <tessier> | Then that really should not be standard behavior because it not at all obvious. |
| 00:02 | <murb> | tessier: I belive it is documented |
| 00:03 | <tessier> | oh man...thousands of emails are hosed. |
| 00:03 | <murb> | tessier: i hope you recover your files, but now you know about this behaviour you can be more careful in future! |
| 00:04 | <tessier> | I am going to turn off domain saving so that I don't have to be more careful in the future. |
| 00:04 | <murb> | fair enough |
| 00:04 | <tessier> | It is a bad idea for that to be the default. |
| 00:04 | <chax> | tessier, where is that configuration ? |
| 00:04 | <chax> | saving domain thingy |
| 00:04 | <tessier> | chax: Not sure yet. I'm sure it's in /etc/xen somewhere |
| 00:05 | <chax> | k |
| 00:05 | <murb> | in /etc/init.d/xendomains |
| 00:05 | <tessier> | I am still checking my filesystem. Will fix xen later. |
| 00:05 | <murb> | atleast here |
| 00:05 | <chax> | murb, k |
| 00:05 | <murb> | here the configuration for that is in /etc/default/xendomains |
| 00:05 | <murb> | on redhat i belive it is in /etc/sysconfig/xendomains/ |
| 00:05 | [~] | chax checks |
| 00:07 | <chax> | murb, there is no such thing |
| 00:07 | <chax> | i use suse 10 |
| 00:07 | <murb> | chax: are you using native packages? |
| 00:07 | <chax> | yes ... if you mean "did you install xen from your distro CDs ?" |
| 00:08 | <chax> | oh |
| 00:08 | <murb> | chax: search for XENDOM_CONFIG in /etc/init.d/xendomains |
| 00:08 | <chax> | 1 sec |
| 00:08 | <chax> | sorry |
| 00:08 | <chax> | wrong m/c ;p .. |
| 00:08 | <chax> | i have 2 boxes .. wait |
| 00:09 | <chax> | yup !! |
| 00:09 | <chax> | /etc/init.d/xendomains |
| 00:09 | <chax> | is the one thanx murb |
| 00:10 | <murb> | chax: no problem! |
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| 04:48 | <tomas> | is it possible to change allocated memory for domU while running? |
| 04:49 | <tomas> | I though this is what balloon driver should do, but cannot find it in xen's doc |
| 04:51 | <chax> | tomas, it is possible but man page warns you from doing so |
| 04:51 | <chax> | man xm |
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| 04:56 | <tomas> | chax: oops :) how could I forgot man, thanks a lot |
| 04:57 | <chax> | tomas, np :) |
| 05:06 | <hensema> | I've tried it but it doesn't work |
| 05:06 | <hensema> | xentop shows an increase in memory usage of a domain |
| 05:06 | <hensema> | but the domain doesn't notice it and doesn't use the extra memory |
| 05:07 | <hensema> | I've never tried lowering memory usage though, it's a bit scary imho ;) |
| 05:07 | <chax> | hensema, right .. ;) how did you know that it doesn't use the extra memory .. i mean what did you do to find out ? |
| 05:08 | <hensema> | the domU didn't report any increase in total memory |
| 05:09 | <hensema> | my dom0 and domU kernels are the same |
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| 05:12 | <chax> | you mean you used xm list ? |
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| 05:16 | <hensema> | xm list shows more memory than 'free' in domU |
| 05:22 | <tomas> | when talking about memory: what minimum memory do you use with some linux distribution in xenU? |
| 05:22 | <tomas> | err domU |
| 05:29 | <hensema> | depends on the purpose of the server |
| 05:29 | <hensema> | a moderately busy webserver requeres at least 1GB |
| 05:29 | <hensema> | however, a simple dns server will run in 256 MB |
| 05:31 | <hensema> | I've now got one xen server running, an amd opteron with 4 GB ram |
| 05:32 | <hensema> | we started out with 2 GB but upgraded to 4 GB fairly quickly |
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| 07:07 | <spd1snd> | is using LVM snapshots the only (or best) way to do a proper backup if I only have access to the dom0 environment? or is it somehow possible to mount the domU's as some sort of read only environment so that I can pick out the domU files I want to backup individually? |
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| 09:15 | [~] | riel wonders how hard it'd be to add qemu's soundcard emulation to the device model |
| 09:15 | <riel> | then I could play old DOS games in VT guests |
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| 09:16 | <murb> | riel: well qemu has timing problems with old DOS games in my experience. |
| 09:16 | <murb> | maybe VT would be better. |
| 09:16 | <riel> | I doubt that :) |
| 09:17 | <riel> | dosbox is probably better |
| 09:18 | <mastermind> | riel: at least on xen unstable WinXP is broken for nearly 1,5 month now on my box |
| 09:19 | <riel> | that's ok |
| 09:19 | <riel> | I mostly care about old dos games, not new dos games :) |
| 09:20 | <mastermind> | hrm |
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| 09:24 | <murb> | the other fun thing with old games is copy protection, especially on the disks. |
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| 12:58 | <rharper> | aliguori: ping |
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| 13:06 | <aliguori> | rharper: pong |
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| 17:31 | <riel> | so it's true |
| 17:32 | <riel> | Xen does crash and burn spectacularly if you try to run 2 VT guests simultaneously |
| 17:32 | <riel> | *sigh* |
| 17:33 | [~] | riel restarts the install |
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| 23:39 | |-| | chax [~chax@125.16.129.16] has joined #xen |
| --- | Log | closed Sat Jun 24 00:00:56 2006 |
