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cluster service
by John R Pierce 25 Nov '06

25 Nov '06

I've setup the CentOS version of the RH Cluster Service on a pair of centos 4.4 i386 test boxes... wanting to do high availabilty stuff. its working, I've added a virtual IP and a fiberchannel hosted e3fs file system thhat either can mount, if I manually crash or reboot one, this IP and FS mount on the other, awesome. the servers are connected to the storage via a QLogic SANbox 5600 fiberswitch, and I've added a SANbox2 'fence device' to the cluster, with its IP and login/password... but I don't understand how to configure the SANbox or the fencing agent so that it knows how to map these two servers to the zones or zonesets on the SANbox. right now everything on the SANbox is in the same zone (these two plus a few other servers plus the shared storage controller which also has some LUNs that are only accessible by a couple Sun servers running Solaris). what am I missing? I did see the man page on fabric_sanbox2, but dont see how that applies via system-config-cluster ...

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"undefined symbol: _pam_make_env"
by ness 25 Nov '06

25 Nov '06

Hello, A while ago I downloaded and compiled PAM 0.99.x and installed it over the default CentOS PAM installation. Of course, this premature decision led to root and FTP access being fully locked down and inaccessible. When I `su -`, it prints "su: incorrect password" before it gives me the chance to type a password. When I `sudo su -`, it prints "sudo: pam_authenticate: Module is unknown". The most elaborate error from that point on is in /var/log/secure, which prints the following when I supply valid FTP log in credentials: Nov 24 19:57:07 ded sudo: PAM unable to dlopen(/lib/security/pam_stack.so) Nov 24 19:57:07 ded sudo: PAM [error: /lib/security/pam_stack.so: undefined symbol: _pam_make_env] Nov 24 19:57:07 ded sudo: PAM adding faulty module: /lib/security/pam_stack.so I've tried reinstalling PAM via yum, it's dependencies, and it's furthest dependencies with no apparent success. Does anyone know how this can be fixed without formatting the entire system? Thanks, --ness

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Need SAN suggestion
by Mindaugas 25 Nov '06

25 Nov '06

Hello, It is not total off-topic since almost all connected servers will be RHEL and CentOS. :) We are considering to purchase new storage system. The most probably we will be choosing between HP (EVA6000), EMC (CX3-20C) and Hitachi (similar model). iSCSI connection is also required. What are your experienced with listed systems? What to avoid? What ot expect? Now I just know that sequential read/write preformance on EVA is poor. :) Thanks, Mindaugas

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Relay with Sendmail
by Denis Croombs 25 Nov '06

25 Nov '06

I need to only accept emails on my MAIN POP/IMAP server from 3 servers (under my control (front line MX servers)) & local users who have local POP accounts. ALL other emails need to be blocked. What is the best way of doing this ? Thanks Denis

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RE: [CentOS] RAID 1 not boot when disconnect a disk
by Emmanuel Fournier 24 Nov '06

24 Nov '06

Hi Roberto, > I have a clean CentOS 4.4 disk and I have setup a RAID 1 with > two IDE disk. > > The system RAID 1 boot fine but when I disconnect a disk (the first > disk) the system not boot. The screen goes black and not boot anything > (grub not boot). > > Can anybody help me ? What I doing wrong ?? Excuse my english .... May be you have to manual install grub loader on the second disk (hdc) : have a look here : http://www.gnu.org/software/grub/manual/html_node/Installing-GRUB-natively.… and use hd1 instead of hd0. And if you config your BIOS to boot on any IDE drive found, i think it'll be ok See you ! ______________________________________________ Emmanuel Fournier - ICT mailto:fournier@ict-toulouse.asso.fr

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[OT} Protest the Novell - Microsoft Agreement - Sign Bruce Perens petition
by Craig White 24 Nov '06

24 Nov '06

Protest the Microsoft-Novell Patent Agreement self explanatory http://techp.org/petition/show/1 Craig

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sysfs udev hald -_-
by Feizhou 24 Nov '06

24 Nov '06

I tried creating a new partition on a disk. After the partition table was written, I got a message about the kernel still using the old partition table. How do I get whatever system to register the new partition short of rebooting the box?

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XFS in Druid
by Jordi Espasa Clofent 24 Nov '06

24 Nov '06

Hi all, I've seen the XFS filesystem is not available in Druid partition tool. ¿Is there some way to add XFS in normal instalation process? ¿How? Thanks in advance. -- Jordi Espasa Clofent PGP id 0xC5ABA76A #http://pgp.mit.edu/ FSF Associate Member id 4281 #http://www.fsf.org/

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Creation RPM
by Antonio Garcia 24 Nov '06

24 Nov '06

Any link or tutorial for learn create rpm ? thk Morote Traducciones SL Departamento de Informática

3 3

squid problem
by abhishek singh 24 Nov '06

24 Nov '06

hi friends, I am using squid-2.5 and from last two days i m getting this error in cache log. i have increased ulimit from 1024 to 8192 but still i m getting error. pls give me suggestion how to overcome this problem. [root@gateway ~]# tail -f /var/log/squid/cache.log 2006/11/24 10:41:03| WARNING! Your cache is running out of filedescriptors 2006/11/24 10:41:19| WARNING! Your cache is running out of filedescriptors 2006/11/24 10:41:35| WARNING! Your cache is running out of filedescriptors 2006/11/24 10:41:51| WARNING! Your cache is running out of filedescriptors 2006/11/24 10:42:07| WARNING! Your cache is running out of filedescriptors 2006/11/24 10:42:23| WARNING! Your cache is running out of filedescriptors 2006/11/24 10:42:39| WARNING! Your cache is running out of filedescriptors 2006/11/24 10:42:55| WARNING! Your cache is running out of filedescriptors 2006/11/24 10:43:11| WARNING! Your cache is running out of filedescriptors 2006/11/24 10:43:27| WARNING! Your cache is running out of filedescriptors 2006/11/24 10:43:43| WARNING! Your cache is running out of filedescriptors 2006/11/24 10:43:59| WARNING! Your cache is running out of filedescriptors 2006/11/24 10:44:15| WARNING! Your cache is running out of filedescriptors 2006/11/24 10:44:31| WARNING! Your cache is running out of filedescriptors 2006/11/24 10:44:47| WARNING! Your cache is running out of filedescriptors 2006/11/24 10:45:03| WARNING! Your cache is running out of filedescriptors --------------------------------- Find out what India is talking about on - Yahoo! Answers India Send FREE SMS to your friend's mobile from Yahoo! Messenger Version 8. Get it NOW

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