Discuss March 2011

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286 participants
251 discussions

Some relevant information
by Sam Trenholme 24 Mar '11

24 Mar '11

Hello everyone: * DNS does not have a "refresh rate". In DNS, the person running the domain determines what the "refresh rate" (it's called TTL in DNS) for their records is; for example, Google has a TTL of "once per hour" and my domains (maradns.org, etc.) have a TTL of one day. * As mentioned before, Scientific Linux 6.0 is out. What hasn't been mentioned here is that while SL 5.6 hasn't come out, 5.6 security updates are being backported to SL 5.5. Ditto with SL 4 (no 4.9 but security patches look current) Take care everyone, - Sam

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ESXi 4.1 and Cluster Fencing
by Machin, Greg 23 Mar '11

23 Mar '11

Hi. I'm new to configuring Clustering . The CentOS 5.5 guest machines will be running on ESXi 4.1 . I'm configuring the clustering using "Conga" . I see that there is support for using ESX to do the fencing. The problem I have is that the guest machines are not allowed to have access the "management network" as per security policies. The guest machines don't no access to the management IPs of any of the hardware as per security policies. How should I implement fencing. Thanks Greg Machin Systems Administrator - Linux Infrastructure Group, Information Services [cid:image001.gif@01CBEA14.4DD102E0] Phone +64 4 914 5254 or 0508 650200 ext 5254 | Fax +64 4 913 5759 3 Cleary Street, Waterloo | Private Bag 31914, Lower Hutt 5040 http://www.openpolytechnic.ac.nz [cid:image002.gif@01CBEA14.4DD102E0]Please consider the environment before printing this email.

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Affordable KVM over IP switch
by Michael B Allen 23 Mar '11

23 Mar '11

Hello, Are there any KVM over IP switches that are not thousands of dollars? Ideally a 3-4 port switch for a few hundred seems reasonable to me. Mike -- Michael B Allen Java Active Directory Integration http://www.ioplex.com/

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ACPI errors during bootup
by sri 23 Mar '11

23 Mar '11

Hi, Am trying to build SMP kernel. Took kernel-2.6.18-194.src.rpm, extracted, rpmbuilded with SMP option. Successfully compile the new kernel and when using that kernel to boot up, following errors were shown up(highlighted in bold & red color): My kernel config file has ACPI and PCI configs enabled. Any pointers to what caused the problem are appreciated. ****************************** ********************************************************************************* BIOS-e820: 0000000000010000 - 000000000009e000 (usable) BIOS-e820: 000000000009e000 - 00000000000a0000 (reserved) BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 000000001fee9000 (usable) BIOS-e820: 000000001fee9000 - 0000000020000000 (reserved) BIOS-e820: 00000000fff00000 - 0000000100000000 (reserved) 0MB HIGHMEM available. 510MB LOWMEM available. Memory for crash kernel (0x0 to 0x0) notwithin permissible range disabling kdump Using x86 segment limits to approximate NX protection DMI not present or invalid. Using APIC driver default ACPI: Unable to locate RSDP Allocating PCI resources starting at 30000000 (gap: 20000000:dff00000) Detected 1000.103 MHz processor. Built 1 zonelists. Total pages: 130793 Kernel command line: root=/dev/ram ramdisk_size=200000 ramdisk_start=0x6000000 c onsole=ttyS0,9600n8 plat=bryce reboot=warm n Local APIC disabled by BIOS -- you can enable it with "lapic" Enabling fast FPU save and restore... done. Enabling unmasked SIMD FPU exception support... done. Initializing CPU#0 CPU 0 irqstacks, hard=c076f000 soft=c074f000 PID hash table entries: 2048 (order: 11, 8192 bytes) Console: colour dummy device 80x25 Dentry cache hash table entries: 65536 (order: 6, 262144 bytes) Inode-cache hash table entries: 32768 (order: 5, 131072 bytes) Memory: 503320k/523172k available (2189k kernel code, 19224k reserved, 920k data , 232k init, 0k highmem) Checking if this processor honours the WP bit even in supervisor mode... Ok. Calibrating delay loop (skipped), value calculated using timer frequency.. 2000. 20 BogoMIPS (lpj=1000103) Security Framework v1.0.0 initialized SELinux: Initializing. selinux_register_security: Registering secondary module capability Capability LSM initialized as secondary Mount-cache hash table entries: 512 CPU: L1 I cache: 32K, L1 D cache: 32K CPU: L2 cache: 512K Intel machine check architecture supported. Intel machine check reporting enabled on CPU#0. Checking 'hlt' instruction... OK. SMP alternatives: switching to UP code Freeing SMP alternatives: 14k freed CPU0: Intel(R) Celeron(R) M processor 1.00GHz stepping 08 SMP motherboard not detected. Local APIC not detected. Using dummy APIC emulation. Brought up 1 CPUs *checking if image is initramfs... it is Freeing initrd memory: 10554k freed NET: Registered protocol family 16 PCI: PCI BIOS revision 2.10 entry at 0xff67f, last bus=4 PCI: Using configuration type 1 Setting up standard PCI resources ACPI: Interpreter disabled. Linux Plug and Play Support v0.97 (c) Adam Belay pnp: PnP ACPI: disabled usbcore: registered new driver usbfs usbcore: registered new driver hub PCI: Probing PCI hardware ACPI Error (tbxfroot-0645): No valid RSDP was found [20060707] ACPI Exception (tbxfroot-0400): AE_NOT_FOUND, RSDP structure not found - Flags=8 [20060707] ACPI: System description tables not found ACPI Error (tbxfroot-0645): No valid RSDP was found [20060707] ACPI Exception (tbxfroot-0400): AE_NOT_FOUND, RSDP structure not found - Flags=8 [20060707] ACPI: System description tables not found ACPI Error (tbxfroot-0645): No valid RSDP was found [20060707] ACPI Exception (tbxfroot-0400): AE_NOT_FOUND, RSDP structure not found - Flags=8 [20060707] ACPI: System description tables not found ACPI Error (tbxfroot-0645): No valid RSDP was found [20060707] ACPI Exception (tbxfroot-0400): AE_NOT_FOUND, RSDP structure not found - Flags=8 [20060707] ACPI: System description tables not found ACPI Error (tbxfroot-0645): No valid RSDP was found [20060707] ACPI Exception (tbxfroot-0400): AE_NOT_FOUND, RSDP structure not found - Flags=8 [20060707] ACPI: System description tables not found ACPI Error (tbxfroot-0645): No valid RSDP was found [20060707] ACPI Exception (tbxfroot-0400): AE_NOT_FOUND, RSDP structure not found - Flags=8 [20060707] ACPI: System description tables not found ACPI Error (tbxfroot-0645): No valid RSDP was found [20060707] ACPI Exception (tbxfroot-0400): AE_NOT_FOUND, RSDP structure not found - Flags=8 [20060707] ACPI: System description tables not found ACPI Error (tbxfroot-0645): No valid RSDP was found [20060707] ACPI Exception (tbxfroot-0400): AE_NOT_FOUND, RSDP structure not found - Flags=8 [20060707] ACPI: System description tables not found ACPI Error (tbxfroot-0645): No valid RSDP was found [20060707] ACPI Exception (tbxfroot-0400): AE_NOT_FOUND, RSDP structure not found - Flags=8 [20060707] ACPI: System description tables not found ACPI Error (tbxfroot-0645): No valid RSDP was found [20060707] ACPI Exception (tbxfroot-0400): AE_NOT_FOUND, RSDP structure not found - Flags=8 [20060707] ACPI: System description tables not found ACPI Error (tbxfroot-0645): No valid RSDP was found [20060707] ACPI Exception (tbxfroot-0400): AE_NOT_FOUND, RSDP structure not found - Flags=8 [20060707] ACPI: System description tables not found ACPI Error (tbxfroot-0645): No valid RSDP was found [20060707] ACPI Exception (tbxfroot-0400): AE_NOT_FOUND, RSDP structure not found - Flags=8 [20060707] ACPI: System description tables not found PCI quirk: region 1000-107f claimed by ICH4 ACPI/GPIO/TCO PCI quirk: region 0500-053f claimed by ICH4 GPIO ACPI Error (tbxfroot-0645): No valid RSDP was found [20060707] ACPI Exception (tbxfroot-0400): AE_NOT_FOUND, RSDP structure not found - Flags=8 [20060707] ACPI: System description tables not found PCI: Ignoring BAR0-3 of IDE controller 0000:00:1f.2 ACPI Error (tbxfroot-0645): No valid RSDP was found [20060707] ACPI Exception (tbxfroot-0400): AE_NOT_FOUND, RSDP structure not found - Flags=8 [20060707] ACPI: System description tables not found ACPI Error (tbxfroot-0645): No valid RSDP was found [20060707] ACPI Exception (tbxfroot-0400): AE_NOT_FOUND, RSDP structure not found - Flags=8 [20060707] ACPI: System description tables not found ACPI Error (tbxfroot-0645): No valid RSDP was found [20060707] ACPI Exception (tbxfroot-0400): AE_NOT_FOUND, RSDP structure not found - Flags=8 [20060707] ACPI: System description tables not found ACPI Error (tbxfroot-0645): No valid RSDP was found [20060707] ACPI Exception (tbxfroot-0400): AE_NOT_FOUND, RSDP structure not found - Flags=8 [20060707] ACPI: System description tables not found* PCI: Transparent bridge - 0000:00:1e.0 NetLabel: Initializing NetLabel: domain hash size = 128 NetLabel: protocols = UNLABELED CIPSOv4 NetLabel: unlabeled traffic allowed by default PCI: Bridge: 0000:00:02.0 IO window: c000-0000 MEM window: c0100000-00000000 PREFETCH window: disabled. PCI: Bridge: 0000:00:03.0 IO window: disabled. MEM window: disabled. PREFETCH window: disabled. PCI: Bridge: 0000:00:1c.0 IO window: disabled. MEM window: disabled. PREFETCH window: disabled. PCI: Bridge: 0000:00:1e.0 IO window: disabled. MEM window: disabled. PREFETCH window: disabled. PCI: No IRQ known for interrupt pin A of device 0000:00:02.0. Please try using p ci=biosirq. PCI: No IRQ known for interrupt pin A of device 0000:00:03.0. Please try using p ci=biosirq. NET: Registered protocol family 2 IP route cache hash table entries: 4096 (order: 2, 16384 bytes) TCP established hash table entries: 16384 (order: 5, 131072 bytes) TCP bind hash table entries: 8192 (order: 4, 65536 bytes) TCP: Hash tables configured (established 16384 bind 8192) TCP reno registered apm: BIOS not found. audit: initializing netlink socket (disabled) type=2000 audit(1300527457.278:1): initialized Total HugeTLB memory allocated, 0 VFS: Disk quotas dquot_6.5.1 Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) Initializing Cryptographic API alg: No test for crc32c (crc32c-generic) ksign: Installing public key data Loading keyring io scheduler noop registered io scheduler anticipatory registered io scheduler deadline registered io scheduler cfq registered (default) pcieport-driver 0000:00:02.0: device [8086:3595] has invalid IRQ; check vendor B IOS pcieport-driver 0000:00:03.0: device [8086:3596] has invalid IRQ; check vendor B IOS pci_hotplug: PCI Hot Plug PCI Core version: 0.5 ************************************************************************************************************************** -- -- Krishna Mohan B -- -- Krishna Mohan B

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how can we help? was: Re: The delays on CentOS 5.6 are causing EPEL incompatibilities
by cornel panceac 23 Mar '11

23 Mar '11

2011/3/23 R P Herrold <herrold(a)owlriver.com> > This comes and goes, and really there is no substitute for actually > 'doing' rather than > talking in the cloister > > as i see it, the problem is while the users expectation has grown, the work became harder. so i believe the real question is: how can we help the CentOS project? how can we unload the developers so that they do more high level and/or creative things with less work?

2 1

CentOS-announce Digest, Vol 73, Issue 4
by centos-announce-request＠centos.org 23 Mar '11

23 Mar '11

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CESA-2011:0370 Moderate CentOS 4 x86_64 wireshark - security update (Johnny Hughes) 2. CESA-2011:0370 Moderate CentOS 4 i386 wireshark - security update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Tue, 22 Mar 2011 16:47:45 -0500 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2011:0370 Moderate CentOS 4 x86_64 wireshark - security update To: CentOS-Announce <centos-announce(a)centos.org> Message-ID: <4D891901.8050602(a)centos.org> Content-Type: text/plain; charset="iso-8859-1" CentOS Errata and Security Advisory CESA-2011:0370 wireshark security update for CentOS 4 x86_64: https://rhn.redhat.com/errata/RHSA-2011-0370.html The following updated files have been uploaded and are currently syncing to the mirrors: x86_64: wireshark-1.0.15-2.el4.x86_64.rpm wireshark-gnome-1.0.15-2.el4.x86_64.rpm src: wireshark-1.0.15-2.el4.src.rpm

1 0

Duplicate Mails
by Ralph Angenendt 23 Mar '11

23 Mar '11

Hi, due to some idiot not being able to configure his Exchange server correctly, this list has been swamped by loads of duplicate mails. There were still several hundreds of mails awaiting delivery to this list. I have removed all of those from the mail queue - so if you are missing a mail you have sent, please resubmit it, it probably was lost while I cleaned the queue as I had no way of telling those apart from the reinjections. I am sorry that I had to do that, but I am sure that you'd rather resubmit than receiving close to 1000 duplicate mails. The user reinjecting the mails has been identified and shot^Wbanned from the mailing list, he cannot resubscribe. Apologies if this caused any inconveniences. Regards, Ralph Angenendt

8 7

EXT4 Filesystem Mount Failed (bad geometry: block count)
by Balaji 23 Mar '11

23 Mar '11

Dear All, Currently using RHEL6 Linux and Kernel Version is 2.6.32-71.el6.i686 and DRBD Version is 8.3.10 DRBD is build from source and Configured DRBD with 2 Node testing with Simplex Setup Server 1 : 192.168.13.131 IP Address and hostname is primary Server 2 : 192.168.13.132 IP Address and hostname is secondary Finally found that drbd0, drbd1 mount failed problem *Found some error messages in "dmesg"* block drbd0: role( Secondary -> Primary ) block drbd1: role( Secondary -> Primary ) EXT4-fs (drbd0): bad geometry: block count 5242880 exceeds size of device (5242711 blocks) EXT4-fs (drbd1): bad geometry: block count 2621440 exceeds size of device (2621351 blocks) The drbd is working fine and is output as below [root@primary ~]# cat /proc/drbd version: 8.3.10 (api:88/proto:86-96) GIT-hash: 5c0b0469666682443d4785d90a2c603378f9017b build byroot(a)primary.mydomain.com, 2011-03-22 11:27:11 0: cs:WFConnection ro:Primary/Unknown ds:UpToDate/DUnknown C r----s ns:0 nr:0 dw:0 dr:677 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:20970844 1: cs:WFConnection ro:Primary/Unknown ds:UpToDate/DUnknown C r----s ns:0 nr:0 dw:0 dr:1009 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:10485404 [root@primary ~]# I have search and findout the same problem and its solved (links as below) http://lists.linbit.com/pipermail/drbd-user/2009-October/012812.html But in my case the problem is not solved (changed the meta-disk internal as flexible-meta-disk internal and tested) The same as working in ext3 filesystem and its not working in ext4 filesystem. Please find attached primary.zip file contains message log files and drbd configuration file for more analysis. I don't know what is the problem and Can some one throw light on this peculiar problem Please replay me ASAP. Thanks in Advance --Regards, S.Balaji

5 5

HP z3200ps printer ppd
by m.roth＠5-cent.us 22 Mar '11

22 Mar '11

Now that we've got the thing, does anyone know what ppd I can use for it? I've seen someone recommending: - the generic postscript ppd; - the hplips driver. I also see ppd's for a DesignJet 800ps, and ones for the 5000ps and 5500ps. Has anyone had any experience with any of these? mark

1 0

dns question
by ann kok 22 Mar '11

22 Mar '11

Hi all How can I know the refresh rate of the dns server? Thank you

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Discuss March 2011