Discuss October 2011

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148 discussions

Re: [CentOS] CentOS Digest, Vol 81, Issue 12
by CS 12 Oct '11

12 Oct '11

> > > > On 10/11/11 7:29 AM, Arun Khan wrote: >>> that requires specific configuration to suit whatever drive interconnect >>>> you have. >> Does these bays have a connector (+ cable) that is connected to the >> motherboard or RAID card to control the HDD LEDs in the bay? >> (sorry if this appears basic but I have no experience with such hardware) >> > > typically, a server will have a SAS backplane which sas/sata drives hot > plug into, and 1 or more 4 channel SAS ports that plug into the host bus > adapter or raid controller. this SAS backplane usually has a 'SES' > controller[*] embedded on it, which appears to the host as another SAS > device, and manages the LEDs. If its a brand name server (hp, dell, > ibm, etc) using the vendor's raid cards, the LEDs all just work. if > its whitebox stuff, with JBOD, getting the right failure LEDs to come on > may require some custom configuration. > > > [*] SES supercedes the earlier SAF-TE design for the same functionality. > > > -- > john r pierce N 37, W 122 > santa cruz ca mid-left coast I'm guessing you want to be able to ID a failed drive visually and mdadm can make that a challenge. A SATA backplane likely will have a signal bus connector (Suoermicro server backplanes do) but onboard controllers probably won't supply the other end Built servers definitely will as john points out. Better hardware RAID HBAs probably shoild have the complimentary signal bus connector. Make sure your system builder or supplier gets you the right cable bits - i'm pretty sure they're not universal. - csawyer

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yum repo problem?
by John R Pierce 12 Oct '11

12 Oct '11

5.7 32bit server system (headless coloc server), long running, long time stable. I need the flac utils... [root@freescruz ~]# rpm -qa |grep flac (nothing installed) [root@freescruz ~]# yum install flac-devel Loaded plugins: fastestmirror, priorities Loading mirror speeds from cached hostfile * base: mirror.5ninesolutions.com * extras: mirror.grikare.com * rpmforge: apt.sw.be * updates: centos.mirror.facebook.net Excluding Packages from CentOS-5 - Base Finished Excluding Packages from Red Hat Enterprise 5 - RPMforge.net - dag Finished Excluding Packages from CentOS-5 - Updates Finished 82 packages excluded due to repository priority protections Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package flac-devel.i386 0:1.1.2-28.el5_0.1 set to be updated --> Processing Dependency: flac = 1.1.2-28.el5_0.1 for package: flac-devel --> Processing Dependency: libFLAC++.so.5 for package: flac-devel --> Processing Dependency: libOggFLAC.so.3 for package: flac-devel --> Processing Dependency: libOggFLAC++.so.2 for package: flac-devel --> Processing Dependency: libFLAC.so.7 for package: flac-devel --> Finished Dependency Resolution flac-devel-1.1.2-28.el5_0.1.i386 from base has depsolving problems --> Missing Dependency: flac = 1.1.2-28.el5_0.1 is needed by package flac-devel-1.1.2-28.el5_0.1.i386 (base) flac-devel-1.1.2-28.el5_0.1.i386 from base has depsolving problems --> Missing Dependency: libOggFLAC.so.3 is needed by package flac-devel-1.1.2-28.el5_0.1.i386 (base) flac-devel-1.1.2-28.el5_0.1.i386 from base has depsolving problems --> Missing Dependency: libFLAC.so.7 is needed by package flac-devel-1.1.2-28.el5_0.1.i386 (base) flac-devel-1.1.2-28.el5_0.1.i386 from base has depsolving problems --> Missing Dependency: libFLAC++.so.5 is needed by package flac-devel-1.1.2-28.el5_0.1.i386 (base) flac-devel-1.1.2-28.el5_0.1.i386 from base has depsolving problems --> Missing Dependency: libOggFLAC++.so.2 is needed by package flac-devel-1.1.2-28.el5_0.1.i386 (base) Error: Missing Dependency: libOggFLAC++.so.2 is needed by package flac-devel-1.1.2-28.el5_0.1.i386 (base) Error: Missing Dependency: flac = 1.1.2-28.el5_0.1 is needed by package flac-devel-1.1.2-28.el5_0.1.i386 (base) Error: Missing Dependency: libFLAC.so.7 is needed by package flac-devel-1.1.2-28.el5_0.1.i386 (base) Error: Missing Dependency: libOggFLAC.so.3 is needed by package flac-devel-1.1.2-28.el5_0.1.i386 (base) Error: Missing Dependency: libFLAC++.so.5 is needed by package flac-devel-1.1.2-28.el5_0.1.i386 (base) You could try using --skip-broken to work around the problem You could try running: package-cleanup --problems package-cleanup --dupes rpm -Va --nofiles --nodigest now what?!? -- john r pierce N 37, W 122 santa cruz ca mid-left coast

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raid on large disks?
by Les Mikesell 12 Oct '11

12 Oct '11

What's the right way to set up >2TB partitions for raid1 autoassembly? I don't need to boot from this but I'd like it to come up and mount automatically at boot. -- Les Mikesell lesmikesell(a)gmail.com

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Scp and SFTP speed much difference???
by mcclnx mcc 12 Oct '11

12 Oct '11

we have CENTOS 5.X on server A and Server B. Both servers have Gigabit network card connect to same switch. I test network speed from Server A to Server B and found speed much difference: SFTP: 42 MB/Sec SCP: 20 MB/sec SCP command: scp -Crp -o CompressionLevel=1 user1@ServerB:/TMP/File1 . Anyone know how to improve SCP speed?

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Install Centos on remote machine?
by Marko Weber 12 Oct '11

12 Oct '11

hello , i have to an remote server contact via rescue console. How can i install centos there without any image or cd? with gentoo i untar a stage3 tarball and latest portage , baking kernel - go! (shortversion) but how to do this with centos? i gooled last hour but only find howtos with cd / dvd. the remote server i can only contact via kvm or rescue console. any ideas? marko

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debuginfo repo missing??
by fred smith 12 Oct '11

12 Oct '11

http://debuginfo.centos.org/6 exists, but is empty. Does anyone here know when or even if it will ever be populated? Thanks! -- ---- Fred Smith -- fredex(a)fcshome.stoneham.ma.us ----------------------------- The Lord detests the way of the wicked but he loves those who pursue righteousness. ----------------------------- Proverbs 15:9 (niv) -----------------------------

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Emergency help needed on host network randomly stop working.
by Magicloud Magiclouds 12 Oct '11

12 Oct '11

Hi, This is a Centos 5.5 host with one xen guest. About 2 weeks ago, the host randomly lost network connection. By this I mean I could not connect to the services on it, or ping it. Also was the status of the guest. From serial console, I connected to the host, trying to see what happened. No clue (any error messages) in messages or dmesg. ifdown/ifup the interface did not help, either. Only rebooting was my only choice. Searching through Google, I got the information that some other guys met similar problem, and resolved by setting stp on with the bridge interface. I set it, too. And the problem still occurs. Any idea what I should check now? Thanks. -- 竹密岂妨流水过山高哪阻野云飞

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Mock - Problems building Centos5 package on Centos6 - where can I ask for advice ?
by Morgan Cox 12 Oct '11

12 Oct '11

Hi. I am trying to use Mock to rebuild a .src.rpm file I have made for PHP 5.3.8 (for Centos6) I have managed to install deps fine with mock. When I try to rebuild the package though I get. (from build.log) --------------------------------------------------------------------------------------------------------- + cat /usr/share/aclocal/libtool.m4 /usr/share/aclocal/ltoptions.m4 /usr/share/aclocal/ltsugar.m4 /usr/share/aclocal/ltversion.m4 /usr/share/aclocal/lt~obsolete.m4 cat: /usr/share/aclocal/ltoptions.m4: No such file or directory cat: /usr/share/aclocal/ltsugar.m4: No such file or directory cat: /usr/share/aclocal/ltversion.m4: No such file or directory cat: /usr/share/aclocal/lt~obsolete.m4: No such file or directory RPM build errors: error: Bad exit status from /var/tmp/rpm-tmp.90639 (%build) Bad exit status from /var/tmp/rpm-tmp.90639 (%build) Child returncode was: 1 EXCEPTION: Command failed. See logs for output. # ['bash', '--login', '-c', 'rpmbuild -bb --target x86_64 --nodeps builddir/build/SPECS/php.spec'] Traceback (most recent call last): File "/usr/lib/python2.6/site-packages/mock/trace_decorator.py", line 70, in trace result = func(*args, **kw) File "/usr/lib/python2.6/site-packages/mock/util.py", line 328, in do raise mock.exception.Error, ("Command failed. See logs for output.\n # %s" % (command,), child.returncode) Error: Command failed. See logs for output. # ['bash', '--login', '-c', 'rpmbuild -bb --target x86_64 --nodeps builddir/build/SPECS/php.spec'] LEAVE do --> EXCEPTION RAISED --------------------------------------------------------------------------------------------------------- (I can post the full build.log if needed) If this is not the correct place to ask about this can someone point me where I can ask ? Many regards

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Inbuilt Bisoncam NB Pro webcam is not detected in CentOS 6
by balajisundar 12 Oct '11

12 Oct '11

Sir, Recently i have buy a HCL ME Laptop with inbuilt webcam support. I have installed the CentOS 6 and its not detected the Bisoncam NB Pro webcam. Is there any driver is required, if its required please send me the driver download link and installation steps. Regards -S.Balaji

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yum update
by Damas Ally 12 Oct '11

12 Oct '11

Greetings, Can anyone help me on how to fix this problem? when i run yum update from CLI i got this one [root@ict ~]# yum update Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: sunsite.rediris.es * extras: sunsite.rediris.es * updates: sunsite.rediris.es .... .... ... .. ---> Package python-libs.x86_64 0:2.4.3-44.el5_7.1 set to be updated http://mirror.centos.org/centos/5/addons/x86_64/repodata/filelists.xml.gz: [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')> Trying other mirror. Error: failure: repodata/filelists.xml.gz from addons: [Errno 256] No more mirrors to try. You could try using --skip-broken to work around the problem You could try running: package-cleanup --problems package-cleanup --dupes rpm -Va --nofiles --nodigest >From there i tried those options but still i cant update. Centos 5.5 thanks -- "If opportunity doesn't knock, build a door". Says, Makweba Sir

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Discuss October 2011