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Backup solution to backup /var/spool/imap above 150GB data
by Agnello George 26 Feb '10

26 Feb '10

Hi We have an issue with one of our clients , they have a mail server with the /var/spool/imap partition as 150 GB . They need to take differential backup on to /backup partition ( a different HDD of total 250 GB space ) . We have tried dar , rsync, rdiff and impasync . But its is not sufficing the need as to take a lot of time and consumes a lot of I/O . Is there any back up solution that you can think of , that can work in this situation - open source or proprietary -- Regards Agnello D'souza

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Enabling msg_get_queue()?
by Benjamin Smith 26 Feb '10

26 Feb '10

Noticing that the PHP4 binaries with CentOS4 are compiled with the option: --enable-sysvshm but not with the --enable-sysvmsg option. They are very closely related, and we'd like to use the msg_get_queue() function for an application cluster. Is there any reason why this is so? Is it too much to ask to have this added? Thanks in advance! -Ben -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.

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centos 4.8 dvd on virtualbox x86_64
by John R Pierce 25 Feb '10

25 Feb '10

I just installed VirtualBox latest version on a new Win7 Pro x86_64 desktop, and tried to create a 64bit CentOS 4.8 install for doing some procedural testing... all install attempts hung at the samme place, shortly after grub, it hangs at... Dquot-cache hash table entries: 512 (order 0, 4096 bytes) sadly, I didn't capture the rest of the console output prior to that. 32bit 4.8 boots and installs just fine. CPU is a Intel Core2Duo E7600 which supposedly has VT-x. System is a Dell Optiplex 755 (Intel G45 chipset) anyone got a clue ?

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Re: [CentOS] Backuppc-updates on CentOS
by Kai Schaetzl 25 Feb '10

25 Feb '10

Sorin, I've seen you posting on this list for a long time. There is no excuse that you don't know the simplest FAQs about CentOS. Kai -- Get your web at Conactive Internet Services: http://www.conactive.com

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how to show only quota limit to users via SSH?
by Rudi Ahlers 25 Feb '10

25 Feb '10

Hi, How, if possible, do I only show a user's quota limits when he logs into SSH? For example, I set a soft limit of 10GB on this user, but when he logs in he can see all the limits: -sh-3.2$ df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/fluid01-root 38G 36G 530M 99% / /dev/mapper/fluid01-home 48G 15G 30G 34% /home /dev/md0 190M 33M 148M 19% /boot tmpfs 881M 0 881M 0% /dev/shm /dev/mapper/fluid01-cpbackup 203G 184G 9.4G 96% /cpbackup -sh-3.2$ Is it possible to show him only his limits, and for that matter mounted partitions, which in this case is /cpbackup/knocky ? -- Kind Regards Rudi Ahlers SoftDux Website: http://www.SoftDux.com Technical Blog: http://Blog.SoftDux.com Office: 087 805 9573 Cell: 082 554 7532

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block port forwarding?
by Roland RoLaNd 25 Feb '10

25 Feb '10

Hello, i have internet usage rules for all of my network. only 2 servers have full access to the internet.. lately i've noticed that lots of traffic being produced by the servers .. is there a way to know whose using port forwarding to my server so they access the internet ? or is there a way to block people from doing such a thing ? _________________________________________________________________ Your E-mail and More On-the-Go. Get Windows Live Hotmail Free. https://signup.live.com/signup.aspx?id=60969

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Re: [CentOS] Backuppc-updates on CentOS
by Nicolas Thierry-Mieg 25 Feb '10

25 Feb '10

Sorin Srbu wrote: >> Sorin Srbu wrote on Thu, 25 Feb 2010 10:44:40 +0100: >> >>> Doing the same search for RHEL5 gave me two packages (one for i386 and >>> one for x86_64); v3.1.0-5. >> >> Not from Red Hat. > > No, from epel. epel is just another third party repo. >>> I thought all packages available from the prominent American upstream > provider >>> got a treatment from the CentOS crew? >> >> Red Hat doesn't provide BackupPC packages. > > So anything (more or less) that RH provides, we also get for CentOS while > any extra fluff like BackupPC for CentOS, is 3rd party. Did I get that > correct? yes, centos (base+updates) offers exactly what's in RHEL. Centos won't rebuild stuff that's in epel, rpmforge or any other third party repo, these packages should work the same on rhel and centos precisely because centos aims to be as close to rhel as possible. Also note that 3.1.0 is the latest stable release of backuppc. This is the version that you installed from c5-testing. It's also the same version offered in epel. 3.1.0-5 from one repo is not necessarily better than 3.1.0-1 from another: it's the same upstream code, the -5 is only useful for comparing within a given repo.

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Re: [CentOS] Backuppc-updates on CentOS
by Kai Schaetzl 25 Feb '10

25 Feb '10

Sorin Srbu wrote on Thu, 25 Feb 2010 10:44:40 +0100: > Doing the same search for RHEL5 gave me two packages (one for i386 and one for > x86_64); v3.1.0-5. Not from Red Hat. > I thought all packages available from the prominent American upstream provider > got a treatment from the CentOS crew? Red Hat doesn't provide BackupPC packages. Kai -- Get your web at Conactive Internet Services: http://www.conactive.com

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Re: [CentOS] Desperately need help with multi-core NIC performance
by J.Witvliet＠MINDEF.NL 25 Feb '10

25 Feb '10

-----Original Message----- From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf Of nate Sent: Thursday, February 25, 2010 1:03 AM To: centos(a)centos.org Subject: Re: [CentOS] Desperately need help with multi-core NIC performance Pete Kay wrote: > Hi > > So is that the limit? I have heard people being able to run like 10K > call channels before max out CPU cap. I would verify the network throughput of your system to make sure the NIC/switch/etc are functioning normally, I use iperf to do this, really simple tool to use just need two systems. On a good network you should be able to sustain roughly 900+Mbit/s with standard frame sizes and iperf on a single gigE link(hopefully with no tuning) ------------------------------------------------------------ Just for reference... On a slightly less-then-optimal network i could get 900Mbps between an HP DL380 and an old IBM-T43, both with 1Gb nics and no tuning at all, through corporate network. Between two DL380 with 10GB nics i got a performance boost (2500Mb -> 6500Mb) after i raised the MTU to 8K hw ______________________________________________________________________ Dit bericht kan informatie bevatten die niet voor u is bestemd. Indien u niet de geadresseerde bent of dit bericht abusievelijk aan u is toegezonden, wordt u verzocht dat aan de afzender te melden en het bericht te verwijderen. De Staat aanvaardt geen aansprakelijkheid voor schade, van welke aard ook, die verband houdt met risico's verbonden aan het elektronisch verzenden van berichten. This message may contain information that is not intended for you. If you are not the addressee or if this message was sent to you by mistake, you are requested to inform the sender and delete the message. The State accepts no liability for damage of any kind resulting from the risks inherent in the electronic transmission of messages.

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Recommended PCIe SATA/SAS Controller?
by Tim Nelson 25 Feb '10

25 Feb '10

Greetings all- I need to purchase a PCIe SATA or SAS controller(non-raid) for a Supermicro 2U system. It should be directly bootable. Any recommendations? The system will be running CentOS 5.4 as an LTSP system. Thanks! --Tim

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