[Vserver] simple disk quota -thoroughly confused
I have never had to use quotas before so this is a totally new concept for me to get my brain around. before i continue, i assume that quotas will work on reiserfs ? every system we have is reiser. There are several documents about them for vservers but this one looks like it may be the most current? http://linux-vserver.org/Standard+non-shared+quota so... with the below quote from the page, i could arbitrarily choose a vserverx block device? --- Use vrsetup to tell the kernel what block device you want to handle quota for: vrsetup /dev/vroot/0 /dev/evms/vs or vrsetup /dev/vroot/0 /dev/lvm/vserver0 --- so in my case since we use udev. i could issue vrsetup /dev/vroot1 /dev/sda4 ? what would i replace lvm or evm with? i am using neither.. i simply created one huge volume on sda4 which all the guests use. setting up a default mtab in /etc/vservers/guest/apps/init/mtab looks pretty straight forward, and copying hdv1 looks easy enough.. so there are a few questions out of all this... arbitrarily choose a vserverx block device? what to use in place of evm or lvm above? then the instruction below.. - - inside the guest run: quotacheck -maugv - umm.. there is no quotacheck program or script inside the guest that i can find... what package is it included in? basically all i want to do is assign each guest a limited portion of disk space. not user sensitive, just guest sensitive. right now each of them sees 625gb free.. which is ok for the guest network servers i manage, but when we move customer colo servers to this, when users see this much space they will go crazy with it. an alternative would be to create a fixed size (maybe 20g or 40g) file mounted via loopback creating a virtual disk for each of the colos as their 'drive'..maybe that would be better? then they could never corrupt anything to do with our main disks... -- Chuck ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver
Re: [Vserver] Unexpected behaviour with bind mounts
On Tue, Oct 11, 2005 at 02:38:20PM +0100, Jim Wight wrote: On Mon, 2005-10-10 at 20:09 +0200, Herbert Poetzl wrote: On Mon, Oct 10, 2005 at 02:28:01PM +0100, Jim Wight wrote: Implicit unmounts are not happening in my case. If I start and stop the vserver a number of times I end up with a pile of multiple identical mounts (according to df), but as I mentioned in my original message there are no corresponding entries in /proc/mounts (as there are when I perform the same mounts manually). The other odd thing is that df shows different numbers compared with the manual mount case: it shows the numbers for the filesystem that the mount point is in, rather than for the mounted filesystem. hmm .. maybe you want to use the -n option to mount, so that mount does not write stuff to the mtab file? That has certainly got rid of the messages and odd-looking df output, but is it a case of 'out of sight, out of mind'? The mounts do work - so far - but is it normal to have to use -n? I don't think I've ever seen it mentioned in all the searching I've done trying to find out how to do things. really depends on _what_ you do and _what_ you want ... you should keep in mind that most tools (mount, df, ...) look at /etc/mtab and not the /proc/mounts ... the logic behind is simple: you want to keep /etc/mtab and /proc/mounts in sync ... this results in the following rules: - if you mount something on the host, you don't want -n - if you mount something for the guest, you definitely want -n for the host's mtab - if you mount something inside the guest, you don't want -n for the guest's mtab basically it's standard namespace behaviour, not even vserver related (i.e. you can observe the same with plain namespaces and chroot ... HTH, Herbert Jim ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver
Re: [Vserver] simple disk quota -thoroughly confused
before i continue, i assume that quotas will work on reiserfs ? every system we have is reiser. IIRC is does There are several documents about them for vservers but this one looks like it may be the most current? http://linux-vserver.org/Standard+non-shared+quota That's the most recent one, yes. so in my case since we use udev. i could issue vrsetup /dev/vroot1 /dev/sda4 ? yes what would i replace lvm or evm with? i am using neither.. i simply created one huge volume on sda4 which all the guests use. Then that doc is not for you Think about using lvm, it makes life so much easier :-) so there are a few questions out of all this... arbitrarily choose a vserverx block device? what to use in place of evm or lvm above? then the instruction below.. The doc is only for the case where you have a seperate partition or lv for every guest - - inside the guest run: quotacheck -maugv - umm.. there is no quotacheck program or script inside the guest that i can find... what package is it included in? quota pkg an alternative would be to create a fixed size (maybe 20g or 40g) file mounted via loopback creating a virtual disk for each of the colos as their 'drive'..maybe that would be better? then they could never corrupt anything to do with our main disks... Why don't you use lvm ? Better and faster than loopback -- regards, Georges Toth ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver
Re: [Vserver] x with nvidia module in vserver?
Hello On Tue, Oct 04, 2005 at 02:08:23PM +0200, Torsten Becker wrote: Hello List, I try to run a complete workstation in a vserver including a x-server. This is no problem since I do not try to use the hardware acceleration with the nvidia kernel module. I have set several capabilities for the vserver: CAP_CHOWN CAP_DAC_READ_SEARCH CAP_FOWNER CAP_FSETID CAP_KILL CAP_SETGID CAP_SETUID CAP_SETPCAP CAP_NET_BIND_SERVICE CAP_NET_BROADCAST CAP_NET_RAW CAP_SYS_MODULE CAP_SYS_RAWIO CAP_SYS_CHROOT CAP_SYS_PTRACE CAP_SYS_PACCT CAP_MKNOD CAP_LEASE I copied the device files from the host to the vserver. If I use the nv driver for xfree all is well. But if I try to use nvidia xfree fails with the error unable to load kernel module. This is clear for me. Then I tried to figure out which device is used with the nv driver. I tried to copa the device file /dev/nvidia0-4 from the host to /dev/video0-4 in the vserver. But the 3d-accel does not function... Does anyone have a hint for me, how I can manage this? Or is it impossible? I use this configuration to deploy the workstations to a pool of pc's. Therefor the security between host and vserver is not first goal. What I did when I set up such a system (about 1.5 years ago) on a 2.4 kernel I did just like you did. What I also did was to load the kernel module on the host system (not in the vserver). It worked like a charm. However it was some time ago and on 2.4 kernel. Regards, // Ola Greets, Torsten ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver -- - Ola Lundqvist --- / [EMAIL PROTECTED] Annebergsslingan 37 \ | [EMAIL PROTECTED] 654 65 KARLSTAD | | +46 (0)54-10 14 30 +46 (0)70-332 1551 | | http://www.opal.dhs.org UIN/icq: 4912500 | \ gpg/f.p.: 7090 A92B 18FE 7994 0C36 4FE4 18A1 B1CF 0FE5 3DD9 / --- ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver
Re: [Vserver] simple disk quota -thoroughly confused
On Tuesday 11 October 2005 01:03 pm, Georges Toth wrote: before i continue, i assume that quotas will work on reiserfs ? every system we have is reiser. IIRC is does There are several documents about them for vservers but this one looks like it may be the most current? http://linux-vserver.org/Standard+non-shared+quota That's the most recent one, yes. so in my case since we use udev. i could issue vrsetup /dev/vroot1 /dev/sda4 ? yes what would i replace lvm or evm with? i am using neither.. i simply created one huge volume on sda4 which all the guests use. Then that doc is not for you Think about using lvm, it makes life so much easier :-) hmm. ok... will research lvm but i doubt i will be able to use it at this time. too many guests are committed to this partition and ready to go live tomorrow. i suppose maybe i could just move them off to the main system drive which has enough room to support what is installed, go live with them there, then one night late, move them all back.. thing is with lvm if each guest gets its own logical volume, then why use quotas since that volume can be partitioned as it will anyway no? i may be talking out my xxx here since i have not even read about lvm yet. never bothered with it.. think ill read up on it a bit before i say or ask anything more so i dont look like a total stooge :D so there are a few questions out of all this... arbitrarily choose a vserverx block device? what to use in place of evm or lvm above? then the instruction below.. The doc is only for the case where you have a seperate partition or lv for every guest - - inside the guest run: quotacheck -maugv - umm.. there is no quotacheck program or script inside the guest that i can find... what package is it included in? quota pkg an alternative would be to create a fixed size (maybe 20g or 40g) file mounted via loopback creating a virtual disk for each of the colos as their 'drive'..maybe that would be better? then they could never corrupt anything to do with our main disks... Why don't you use lvm ? Better and faster than loopback -- regards, Georges Toth ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver -- Chuck ...and the hordes of M$*ft users descended upon me in their anger, and asked 'Why do you not get the viruses or the BlueScreensOfDeath or insecure system troubles and slowness or pay through the nose for an OS as *we* do?!!', and I answered...'I use Linux'. The Book of John, chapter 1, page 1, and end of book ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver
Re: [Vserver] simple disk quota -thoroughly confused
thing is with lvm if each guest gets its own logical volume, then why use quotas since that volume can be partitioned as it will anyway no? exactly! :-) no need to do some fancy magiclwm does it for you :-) btw, LV's are resizeable... per user quota may be easily implemented if you want/need to, with lvm. on a shared partition this is currently not possible AFAIK i may be talking out my xxx here since i have not even read about lvm yet. never bothered with it.. think ill read up on it a bit before i say or ask anything more so i dont look like a total stooge :D Check this: http://www.gentoo.org/doc/en/lvm2.xml -- regards, Georges Toth ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver
Re: [Vserver] simple disk quota -thoroughly confused
On Tuesday 11 October 2005 04:50 pm, Georges Toth wrote: thing is with lvm if each guest gets its own logical volume, then why use quotas since that volume can be partitioned as it will anyway no? exactly! :-) no need to do some fancy magiclwm does it for you :-) btw, LV's are resizeable... per user quota may be easily implemented if you want/need to, with lvm. on a shared partition this is currently not possible AFAIK i may be talking out my xxx here since i have not even read about lvm yet. never bothered with it.. think ill read up on it a bit before i say or ask anything more so i dont look like a total stooge :D Check this: http://www.gentoo.org/doc/en/lvm2.xml Thanks! -- regards, Georges Toth ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver -- Chuck ...and the hordes of M$*ft users descended upon me in their anger, and asked 'Why do you not get the viruses or the BlueScreensOfDeath or insecure system troubles and slowness or pay through the nose for an OS as *we* do?!!', and I answered...'I use Linux'. The Book of John, chapter 1, page 1, and end of book ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver
