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qlogic driver not scanning scsi bus on load CentOS 5.1
by nate 20 Nov '08

20 Nov '08

Very strange behavior, been banging my head against the wall on this one too. It works fine on CentOS 4.6, the behavior is when the driver loads the bus is not scanned or at least the devices that are exported are not detected. (they are detected in the HBA bios no problem). If I issue the qlogic bus scan command it doesn't get anything back either. If I manually add the devices with "scsi add-single-device" they immediately pop up. I am new to using FC on CentOS 5.x with 4.x it was so easy perhaps I should just stick to what works. Filing a support case with my vendors as well though not sure how much help they'll end up being. Running a "QLogic Corp. ISP2432-based 4Gb Fibre Channel to PCI Express HBA". Tried both the drivers from qlogic's site and the ones that ship with CentOS. Once the devices are detected everything works fine. Though I don't want to hard code the "scsi add-single-device" commands into my startup scripts if I can avoid it, rather use CentOS 4.6 instead. Anyone seen this kind of behavior before? thanks nate

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how to debug hardware lockups?
by Rudi Ahlers 20 Nov '08

20 Nov '08

Hi, We have a server which locks up about once a week (for the past 3 weeks now), without any warning, and the only way to recover it, is to reset the server. This causes unwanted downtime, and often software loss as well. How do I debug the server, which runs CentOS 5.2 to see why it locks up? The CPU is an Intel Q9300 Core 2 Quad, with 8 GB RAM, on an Intel Motherboard The last few entries before the server froze, is: Nov 15 07:15:20 saturn snmpd[2527]: Connection from UDP: [127.0.0.1]:59008 Nov 15 07:15:20 saturn snmpd[2527]: Received SNMP packet(s) from UDP: [127.0.0.1]:59008 Nov 15 07:15:20 saturn snmpd[2527]: Connection from UDP: [127.0.0.1]:47729 Nov 15 07:15:20 saturn snmpd[2527]: Received SNMP packet(s) from UDP: [127.0.0.1]:47729 Nov 15 07:15:20 saturn snmpd[2527]: Connection from UDP: [127.0.0.1]:47890 Nov 15 07:15:20 saturn snmpd[2527]: Received SNMP packet(s) from UDP: [127.0.0.1]:47890 Nov 15 07:15:20 saturn snmpd[2527]: Connection from UDP: [127.0.0.1]:50023 Nov 15 07:15:20 saturn snmpd[2527]: Received SNMP packet(s) from UDP: [127.0.0.1]:50023 Nov 15 07:15:20 saturn snmpd[2527]: Connection from UDP: [127.0.0.1]:58459 Nov 15 07:15:20 saturn snmpd[2527]: Received SNMP packet(s) from UDP: [127.0.0.1]:58459 Nov 15 10:10:10 saturn syslogd 1.4.1: restart. Nov 15 10:10:11 saturn kernel: klogd 1.4.1, log source = /proc/kmsg started. Nov 15 10:10:11 saturn kernel: Bootdata ok (command line is ro root=/dev/System/root) Nov 15 10:10:11 saturn kernel: Linux version 2.6.18-92.1.17.el5xen (mockbuild(a)builder10.centos.org) (gcc version 4.1.2 20071124 (Red Hat 4.1 .2-42)) #1 SMP Tue Nov 4 14:13:09 EST 2008 Nov 15 10:10:11 saturn kernel: BIOS-provided physical RAM map: Nov 15 10:10:11 saturn kernel: Xen: 0000000000000000 - 00000001ef958000 (usable) Nov 15 10:10:11 saturn kernel: DMI 2.4 present. Nov 15 10:10:11 saturn kernel: ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled) Nov 15 10:10:11 saturn kernel: ACPI: LAPIC (acpi_id[0x03] lapic_id[0x02] enabled) Nov 15 10:10:11 saturn kernel: ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled) Nov 15 10:10:11 saturn kernel: ACPI: LAPIC (acpi_id[0x04] lapic_id[0x03] enabled) Nov 15 10:10:11 saturn kernel: ACPI: LAPIC_NMI (acpi_id[0x01] dfl dfl lint[0x1]) Nov 15 10:10:11 saturn kernel: ACPI: LAPIC_NMI (acpi_id[0x02] dfl dfl lint[0x1]) Nov 15 10:10:11 saturn kernel: ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0]) Nov 15 10:10:11 saturn kernel: IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23 Nov 15 10:10:11 saturn kernel: ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) Nov 15 10:10:11 saturn kernel: ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) -- Kind Regards Rudi Ahlers

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Terminal emulation scripting
by Frank M. Ramaekers 20 Nov '08

20 Nov '08

I need to write a script that will contact a remote system using TELNET with VT52/1xx/2xx/320 and perform some operations. I am familiar with TELNET but it appears that it won't work for my purposes. TIA, Frank M. Ramaekers Jr. Systems Programmer MCP, MCP+I, MCSE & RHCE American Income Life Insurance Co. Phone: (254)761-6649 1200 Wooded Acres Dr. Fax: (254)741-5777 Waco, Texas 76710 _____________________________________________________ This message contains information which is privileged and confidential and is solely for the use of the intended recipient. If you are not the intended recipient, be aware that any review, disclosure, copying, distribution, or use of the contents of this message is strictly prohibited. If you have received this in error, please destroy it immediately and notify us at PrivacyAct(a)ailife.com.

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CentOS/RHEL, PHP and zip archives
by David G. Miller 20 Nov '08

20 Nov '08

I'm trying to get bulk photo uploads working with a Drupal web site. The person who coded the Drupal photos module I'm using decided to use a zip archive as a means of batching together a collection of picture files for a bulk upload. Apache is reporting the following PHP error when the bulk upload feature is used: [Sun Nov 16 22:05:38 2008] [error] [client 192.168.0.192] PHP Fatal error: Class 'ZipArchive' not found in /var/www/fraud/html/davesBlog/sites/all/modules/photos/photos.module on line 1375, referer: http://davenjudy.org/davesBlog/node/39/photos The PHP code at line 1375 in photos.module is an unremarkable instantiation of the zip archive handling object. Some Google searches indicate that zip archive handling is a compile time option of PHP and lack of it would cause this error. Running php -i tells me that the CentOS/RHEL PHP was not built with the --enable-zip configuration option. Does anyone know of a way to get PHP to correctly handle zip archives short of rebuilding my PHP installation from the source RPM with --enable-zip as a configuration option? Thanks, Dave Miller -- Politics, n. Strife of interests masquerading as a contest of principles. -- Ambrose Bierce

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redirecting output
by Joseph L. Casale 19 Nov '08

19 Nov '08

How does one redirect output of a command such as 'make' to a file _and_ the console? Thanks! jlc

2 1

Re: [CentOS] New installation woes
by Vandaman 19 Nov '08

19 Nov '08

Steve Huff wrote: > On Nov 19, 2008, at 10:57 AM, Vandaman wrote: > > > What is the bug? It does not appear in the site you > linked to. > > It would be surprising if Red Hat are unaware of > upstream changes > > as one would expect it to be rolled out into Fedora > rawhide at least > > even if the changes are backported int RHEL. > > > we went over this last month: > > http://lists.centos.org/pipermail/centos/2008-October/065972.html > http://lists.centos.org/pipermail/centos/2008-October/066185.html > > and also on the rpmforge users list: > > http://lists.rpmforge.net/pipermail/users/2008-October/001973.html > > you were on the CentOS list then, i'm surprised you > don't remember. please search the archives before > posting; what you said has nothing to do with the issue. > Seems a little impertinent what our learned friend Steve Huff has sent to me off-list in a huff :- - I was subscribed for a few days last month. - Many of us don't do "just CentOS". We have other mailing lists and OS's installed. We also happen to have lives as well to live. - Even this month when I'm subscribed fulltime to the list, I don't read all messages on the list (nuff' said). - What is posted on the list is "not Gospel". If something affects all CentOS users, perhaps a prominent announcement could be made on the website or somewhere. - I'm sure there are issues other than the Debian Openssl bug that affect all CentOS users. Regards, Vandaman.

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Promise EX16650 under 5.2?
by Gordon McLellan 19 Nov '08

19 Nov '08

Does anyone have experience using the Supertrak EX16650 sas controller under Centos 5.2? The Promise website claims RHEL 5.2 support was added Sept '08. I figure the card might very well be detected, but how about the management gui - it appears to use some sort of web interface, but the card has no ethernet jack, so it must rely on some special driver to access this? Any information is appreciated. I'm not finding much under google regarding this card and redhat (or centos), so either it's rather new, or unpopular, or just doesn't have problems so no one complains? Thanks, Gordon.

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noauto option ignored in CentOS 5.1?
by nate 19 Nov '08

19 Nov '08

I have worked quite a bit with CentOS 4.x with SAN, multipathing, LVM etc. The way I mount my file systems is using a script that is called during startup that runs fsck, imports the physical volumes, and volume groups, activates the logical volumes, creates the mount point if needed then mounts the volume, I mainly made it for software iSCSI due to the iscsi stack loading after the system mount process. I adapted it to my fiber channel systems as well and it worked great(mainly so I could have a consistent experience between FC and iSCSI). In testing with CentOS 5.1 it seems that my entries in /etc/fstab that are marked "noauto" are still infact queried when the system boots (before multipathing, etc fires up). These devices don't exist at the time which causes the boot to halt(so I can fsck the file system manually). I have worked around it by commenting out the line in fstab, and just adjusting my script to look for the commented line, but this never happened under CentOS 4.x, seems like a bug ? I peeked at Red Hat's bugzilla but didn't see much. If so I can file one.. thanks nate

2 4

L2ARC (disk caching) for Linux?
by Ray Van Dolson 19 Nov '08

19 Nov '08

First off; are there any storage-centric mailing lists that target Linux specifically? Secondly, I'm wondering if there's anything in the works or already out there similar to Sun's L2ARC[1] for ZFS. Basically this is a filesystem (or maybe lower-level) cache for reads, writes that can be comprised of faster media like SSD. I think it could make SATA-based JBOD solutions a lot more attractive from a performance perspective. Anything out there along these lines already or suggestions on a better place to dig for information? Ray [1] http://blogs.sun.com/brendan/entry/test

1 0

New installation woes
by Sam Drinkard 19 Nov '08

19 Nov '08

I've just installed CentOS 5.2 for the x86_64 on a SuperMicro X6DA8-G board with two 250g SATA drives configured in the bios as a raid 1 array. After getting the base installed, I've tried to yum update the system and I wind up with these errors.... --> Finished Dependency Resolution Error: Missing Dependency: libmysqlclient.so.14(libmysqlclient_14)(64bit) is needed by package perl-DBD-mysql Error: Missing Dependency: libgsf-1.so.1()(64bit) is needed by package libwpd Error: Missing Dependency: libneon.so.24()(64bit) is needed by package subversion Error: Missing Dependency: libaprutil-0.so.0()(64bit) is needed by package subversion Error: Missing Dependency: libpq.so.3()(64bit) is needed by package perl-DBD-Pg Error: Missing Dependency: libapr-0.so.0()(64bit) is needed by package subversion Error: Missing Dependency: libevent-1.1a.so.1()(64bit) is needed by package nfs-utils Error: Missing Dependency: libmysqlclient.so.14()(64bit) is needed by package perl-DBD-mysql I'd like to think that out of the box centos would at least update without a bunch of missing dependencies. Any pointers as to what the best solution is? Thanks.. Sam

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