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IPC Benchmark in Centos
by Peter Penzov 13 Mar '11

13 Mar '11

Hi, I'm interested is there any benchmark tests for Centos. How fast is for example Unix domain socket and Message Queue? Regards Peter

3 4

How to install source rpm on centos
by sync 13 Mar '11

13 Mar '11

Hi to all. I'm having a problem with the rpm command on centos 5.5; I am used to recompile a source rpm with the following command: root@test ~: rpmbuild --rebuild pssh-1.2.2-1.rf.src.rpm Installing pssh-1.2.2-1.rf.src.rpm error: cannot create %sourcedir /home/test/rpm/SOURCES error: pssh-1.2.2-1.rf.src.rpm cannot be installed Does anybody know something about that ? Thanks in advance....

4 4

Re: [CentOS] Race condition with mdadm at boot
by Chuck Munro 13 Mar '11

13 Mar '11

On 03/12/2011 09:00 AM, compdoc wrote: >> >On the particular Supermicro motherboard I'm using, there is a very >> >long delay (10 or 15 sec) between power-on and initiation of visible >> >BIOS activity, so all disk drives have ample time to spin up and stabilize. > > Yeah, I have used Supermicro in the past and they had the same long pause > when you turn them on. Good boards, except I had one die recently. > > I was wondering how many drives total, and how many watts the PSU is? > > Also, is the controller's firmware up to date? > > I agree, Supermicro does design good boards, with a lot of server-grade features that consumer boards lack. Not cheap, but worth the money. I assume the long power-on pause is due to the BIOS silently checking RAM, with the side effect of giving the disks ample time to spin up. I have a total of 15 drives. Three of them are fast 2-1/2" drives used for the host OS filesystems, running on the ICH-10 SATA controller. No problem at all with those. The other 12 drives are 2TB WD Caviar Black series. 6 are connected to the on-board 8-port LSI 1068E chip, and 6 divided equally between 2 Tempo 'Sonnet' 4-port PCIe cards (Marvell chips). All drives have the same 8 partitions each. All drives have the same 8-partition configuration. The LSI controller supports 8 RAID-6 arrays using 5 active drives plus a hot spare. The Tempo controllers support the same arrangement using the other 6 drives. The firmware on everything is up to date. Other than the annoying failure to bind 1 or 2 random partitions on the last drive in each group of 6, the performance of this configuration is quite good. I still have the 'scsi_mod.scan=sync' kernel parameter in place, so there may be some other cause of the failure to bind some of the partitions. FWIW, in more than 10 system boots, there has never been any consistent pattern to these failures. Chuck

2 1

Re: [CentOS] Which file system to use for a USB backup
by Earl Ramirez 13 Mar '11

13 Mar '11

For Mac he can use fuse for mac or NTFS-3G for Mac, that will give you the ability to write to ntfs drives on a Mac. http://www.macupdate.com/app/mac/23729/macfuse I use NTFS-3G for Mac and it works fine. http://sourceforge.net/projects/fuse-for-macosx/ On Sun, Mar 13, 2011 at 12:16 PM, Kenneth Porter <shiva(a)sewingwitch.com>wrote: > --On Wednesday, March 09, 2011 2:56 PM -0800 Todd Cary > <todd(a)aristesoftware.com> wrote: > > > I have some photographs on my Centos 4 server that I want to copy > > to a USB drive. However, I want to be able to access the files > > from Windows or Mac OS's. Where should I look for instructions > > on how to mount and format the USB drive and is FAT32 the only > > option? > > I don't know about Mac, but you could set up NTFS with Fuse on CentOS to > allow you to format and mount it as an NTFS filesystem. > > You could also format as ext3 and install a filesystem driver on Windows to > understand ext3. > > <http://www.fs-driver.org/> > > Since the Mac is BSD-based, it might even understand ext3. There's this > project: > > <http://ext2fsx.sourceforge.net/> > > I haven't used these, as I haven't needed to export files to another OS > this way. > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > http://lists.centos.org/mailman/listinfo/centos > -- Kind Regards Earl Ramirez

1 0

Mumble gamers' VOIP server (murmur)
by Kenneth Porter 13 Mar '11

13 Mar '11

I was unable to build the whole Mumble system on CentOS but it's available for Fedora Development. I just wanted the server part on my headless server, and a static build is available from the Mumble project on Sourceforge. So I grabbed the Mumble SRPM from Fedora Development, the static build from Sourceforge, and stripped the spec file down to the minimum needed to just install the static-build server. You'll find the result here: <http://sewingwitch.com/ken/Stuff/murmur-1.2.3-11.kp.src.rpm> If you're paranoid (a good admin should be), just unpack to use the spec file and grab the sources from Fedora Development and Sourceforge and overwrite those included in the SRPM before building.

1 1

Which file system to use for a USB backup
by Todd Cary 13 Mar '11

13 Mar '11

I have some photographs on my Centos 4 server that I want to copy to a USB drive. However, I want to be able to access the files from Windows or Mac OS's. Where should I look for instructions on how to mount and format the USB drive and is FAT32 the only option? Many thanks -- Ariste Software Petaluma, CA 94952 http://www.aristesoftware.com

5 6

Alternatives to apache for php based servers: Nginx
by robert mena 12 Mar '11

12 Mar '11

Hi, Anyone here using Nginx as alternative to apache in conjunction to php scripts? Care to share thoughts and caveats? I am reading that it is a good alternative but do not know the real life limitations, diferences to apache, which repo to fetch etc.

6 5

try with succes rpm bind 9.7.3 with koji el4 and el5
by fakessh ＠ 12 Mar '11

12 Mar '11

rehello centos list after some modifications rpm fedora core 14 of bind-9.7.3 and patching. diff -u unpatched/configure.in patched/configure.in --- unpatched/configure.in 2010-07-05 14:02:20.000000000 +0200 +++ patched/configure.in 2010-07-05 14:03:48.000000000 +0200 @@ -282,7 +282,8 @@ AC_C_INLINE AC_C_VOLATILE AC_CHECK_FUNC(sysctlbyname, AC_DEFINE(HAVE_SYSCTLBYNAME)) -AC_C_FLEXIBLE_ARRAY_MEMBER +# RvR: this breaks things on RHEL5 +#AC_C_FLEXIBLE_ARRAY_MEMBER I managed to compile on EL4 and EL5 koji result http://koji.fedoraproject.org/koji/taskinfo?taskID=2907187 http://koji.fedoraproject.org/koji/taskinfo?taskID=2907203 -- gpg --keyserver pgp.mit.edu --recv-key 092164A7 http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x092164A7

1 0

What iSCSI is used in Centos 5 and RHEL6?
by Emmanuel Noobadmin 12 Mar '11

12 Mar '11

I was looking up on iSCSI in preparation and became aware that there are different iSCSI software/drivers/whatever-is-the-correct-term available. e.g. IET http://iscsitarget.sourceforge.net/ SCST http://scst.sourceforge.net/ STGT http://stgt.berlios.de/ LIO http://linux-iscsi.org/ Based on what I can see, it seems to be STGT because the site provides a link to Redhat advisory which seems to imply that it's what's being used in RHEL. Does anybody know for sure?

2 2

Re: [CentOS] CentOS MD RAID 1 on Openfiler iSCSI
by Emmanuel Noobadmin 12 Mar '11

12 Mar '11

On 3/2/11, Rudi Ahlers <Rudi(a)softdux.com> wrote: > I'm very interested to find out what happened with this project and > what you ended up doing? There were delays after changes after delays for that project that was meant to run on the VM setup. Spent more time hacking temporary solutions to their problems with NAS and such. So I haven't actually got this done. But if you can wait, I could probably answer you in about 4 weeks... when the hardware and fibre connectivity for the client's server room comes in.

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