Red Hat :: Veritas Cluster Filesystem On RedHat - Du Command Time Anomaly?
Apr 9, 2010
I have a 2 node RH 5u4 64-bit. I have installed and configured the latest Veritas CFS (Cluster File System) which also uses Veritas Cluster Server. File system if VxFS. Storage is on EMC Symmetrix arrays with Veritas Mirroring between the arrays.We have noticed that running 'du -hs' on the shared directory/filesystem where it takes about 3 minutes on one node and 30 - 45 minutes on the other node.I've been running strace on 'du'.'du' runs an 'lstat' on each file (66,000+ files). On the slower node, the ave time spent in 'du' is about .001 seconds longer, which accounts for the 30-45 minutes. Also, the standard deviation is much larger, which means to me that the lstat times are all over the place!Another interesting thing is that iozone profiling shows that the i/o rates from both nodes are darn near identical, with no anomalies at various buffer & file sizes! And, iostat looks really good as does 'vxdmpadm iostat show
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Apr 14, 2010
I am trying to configure redhat cluster first time but no idea how to do it. I am using rhel 5.2. I have copied cluster rpms from redhat media and tried to install them but facing alot of dependencies problem. Can some one please guide how can i do redhat clustering from start. I am doing this for configuring single node clustering for zimbra suite but it is the requirement to configure redhat cluster first. One more thing i am using two virtual machines installed by using virtual box.
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Dec 2, 2010
Trying to build a RAC server. I have 5 ips that the Network Team has provided with. They are like this:
LAN IP (IP & Cable, which means physical card is present)
TSM IP (Tivoli Storage Manager-Backup) (IP & Cable)
ISO1 (Heartbeat 1) (IP & Cable)
[code]....
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Jul 19, 2011
I'm trying to build cluster computer system using redhat linux enterprise 5.5. And I'm on the step to set up the NFS mounting. (step 3 of part VI on this paper: However, I kept getting "permission denied" when I used the command "mount -t" to mount the slave node onto the hard drive of the master node. Even when I edited /etc/fstab file to make it automatically set up during booting, I still receive the same result. By the way, I've already logged in as a root user on both slave and master nodes.
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Jun 14, 2009
what rpms should I need install for setting up redhat cluster on RHEL 5.0 I want to create two RHEL 5.0 nodes as one cluster having oracle database server installed. And please note I have created these two nodes on VMware server for testing purpose. is it possible for creating cluster of two virtual guests.
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Mar 20, 2011
I am planning to configure RedHat cluster on vmware, i dont know how to configure, i googled a lot but couldn't find satisfactory docs for configuring, can any one provide me step-by-step or good docs to go ahead.
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Oct 25, 2010
I have two node redhat cluster for mysql database.The problem is that after updating the packages on both of the nodes after and previously the sevices was not able to relocated on second one , even rebooting the server the problem occurs.While starting the service on second node it started on the first one.Other services are running fine on both nodes.I have checked the /etc/hosts, bonding and many more files and seems to good.find the log for reference.
<notice> Starting stopped service service:hell
Oct 22 14:35:51 indls0040 kernel: kjournald starting. Commit interval 5 seconds
Oct 22 14:35:51 indls0040 kernel: EXT3-fs warning: maximal mount count reached, running
[code]...
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Mar 18, 2011
I was given task to install redhat linux os on one of the compute node on server which doesn't have cd/dvd drive or usb port.I have installation media as well ISO image. This server is on network, so I can access it via my PC which is running window 7.I think, I have 2 choice to install:1. Copy iso image to head node on server and then install linux os on compute node via nfs.r2. Use my PC dvd drive to install linux on compute node via network.But I don't know how to do it.
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Sep 17, 2009
I am trying to create a 2nd node from last couple of days but no luck.do this.I have gone through these article again and again:Here is my setup
node1 ( ricci + luci) : which is working fine
node2 (ricci only) : this is giving me problem
node1
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May 6, 2009
i am using the redhat cluster suite (luci and ricci) on my centos 5.3. i have 2 nodes in a cluster. when i poweroff the first node on wich a vm service is running, the service switchtes to node2. so far, so good :) but when i restart node1 the service is not failback to node1! i have created a failover domain with both nodes and priorized whre node1 has prio1 and node2 has prio2.
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Dec 22, 2010
I have added apache application into redhat cluster. If the apache process failed, it will cause the service group fail over. I want to disable the application monitoring. I search throung Internet and it depends on the apache init script. If I change /etc/init.d/httpd status always return 0(success). THe service group will not fail over even apache failed.
However, I want to remain the application monitoring but stop failover. If the application like apache failed, I want Redhat cluster to try restart the application like 3 or 4 times. If restart failed, it will not failover.
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Jul 18, 2011
Im having a frustrating issue with my two machine cluster I setup using Conga. Everything was working great except now when lucci starts mysql the port (3306) is never opened to outside machines. I can do a "ps -ef | grep mysql" and see it running as well as login to mysql on the node it is running on - but an nmap of the machine does not show the 3306 port and I cannot login to mysql remotely and yes I turned off all iptables(iptables,ip6tables) and SElinux is disabled.What am I missing here? If I start mysql on my own (and it is using the same my.cnf as lucci is) it does show the port open and works perfect,t for some reason when lucci starts it, no dice
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Dec 22, 2010
I want to create redhat cluster on(vmware) OS Redhat Enterprise Server 5.5
Install Luci on node1
Install ricci on node2
Install ricci on node3
All the computer name records in all system host file. When I try to create new cluster( luci_install init) then showing error...
Status messages:
* Host stationx.example.com is already authenticated
* Host stationy.example.com is already authenticated
[dismiss]
The following errors occurred:
* Unable to create the cluster Luci database objects
***No any cluster.conf file created on any node
I have reinstall the node, but getting same error.
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Jun 12, 2010
I have configured the RHEL cluster suite in RHEL 5.3 64 bit, I have formatted a storage 100 GB LVM with GFS2 filesystem with lock_dlm protocol default journel I have used 8 I have also added this filesystem in cluster resource in GFS resource option, all work fine cluster is able to remount this GFS2 LVM on another node in time of failover. But when I was checking cluster configuration file (/etc/cluster/cluster.conf) in resource syntex it was showing fs_type=gfs so my query is if it uses fs_type=gfs then is it also mount my formatted gfs2 lvm as gfs filesystem in my cluster node rather then gfs2 filesystem. Also how do i check that mounted filesystem is gfs or gfs2, Please clear my doubt.
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Sep 15, 2010
I need a cluster-safe filesystem for a SAN shared storage in Slackware. Red Hat's GFS is the best/only solution?Given GFS support in a custom kernel, what about tools (mkfs,mount...)?
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Jan 6, 2011
I want to know that how to use cdfs filesystem with redhat 5.2 i am unable to play a video cd in my system. this cd have .dat files. where i can download and install cdfs filesystem in my system.
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Dec 2, 2008
I'm the noobiest noob you'll find on here. I'm having trouble getting ruby on rails to work with mysql on redhat. So on their forum I asked how to install the latest "sqlite" database package on linux.They told me to run.Now, I don't think I need "sudo" because I am the root user on my database, and I don't think I can use "apt-get" because I'm using redhat, not ubuntu.
1) Is there a way of running the above command on redhat? (A redhat command for installing things?)
2) How can I be sure I'm using redhat and not some other OS?
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Nov 24, 2010
I want to practice Veritas Volume Manager on my CentOS 5.5 x86_64 machine.
Thus, I have downloaded the appropriate package i.e. Storage Foundation and HA Solutions 5.1 SP1 for Linux Red Hat from here.
I believe this is the 60 day trial version. Does anyone know if it has some limitations also in this 60 day period ? Forgive my ignorance, I am new to Veritas.
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May 19, 2010
I need to replace a disk from a veritas mirrored volume, I can not delete the disk from the diskgroup as the disk is using by other volumes in the same group. so, how can i remove the disk from my mirrored volume and can replace another disk.
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Nov 6, 2010
I am trying to build GFS2 cluster with 2 or 3 Fedora 14 nodes, but I've encountered some problems from the start. First luci does not work at all in Fedora 14. There is no luci_admin and even if I manage to start luci service, I get a blank white screen when I try to open it from the browser. I've googled a bit and found that I'd might be able to setup GFS if I manage to build cluster.conf manually and start the cluster suite, but I cannot find documentation on how to create cluster.conf anywhere. If anyone knows how to setup GFS2 without a cluster suite or how to configure cluster.conf.
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Mar 15, 2011
I'm having a very strange problem with red hat cluster. After testing it in the lab, I tried to install a new cluster and received the following error: cman not started: Cannot start, cluster name is too long or other CCS error /usr/sbin/cman_tool: aisexec daemon didn't start I've checked the internet for that error, but nothing. I decided to to take the example from cluster.conf man, which looks like that :
[Code]...
And still I get the same error. I can find my servers both from DNS (FQDN and short name) and they also appear in /etc/hosts.
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Jun 12, 2010
I want reliable way to print bios clock. Using Redhat 5.5.
"hwclock --show" command prints out bios time in local format. So if linux is configured UTC=false when "hwclock --show" is the same as bios clock, but if UTC=true "hwclock --show" still prints local time and I must adjust it according to my TZ - something like `hwclock --show`-2 (only example).
So method above depends on UTC setting. Is there an unambigous method to print bios time? (Only os interprets bios time as UTC or local - value of bios time is the same if time is not changed).
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Sep 1, 2011
I am working in a project that needs to set up an Apache Web Cluster. The cluster needs to be High-availability (HA) cluster and Load-balancing cluster. Someone mentioned the use of Red Hat Cluster Suite, but, honestly, I can't figure out how it works, I haven't been able to configure it correctly. The project currently have two nodes, but we need to support at least three nodes in the cluster.
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Jun 14, 2010
I've ripped some CD's to MP3. The track name on my HD is "trackname.mp3" I then transferred them to my mp3 player and they show up there again as "trackname.mp3" So.. ..instead I renamed the file names on my HD to remove the ".mp3" at the end. I did this for a several individual songs and a couple of albums and transferred them across to my mp3player. So far so good... they now list on the player as just "trackname"
But now I get to an album where this no longer works. Once I remove ".mp3" from the file name on my HD two things happen, 1. the icon is no longer an mp3 icon and 2. it just lists under properties as an "application. And of course the song wont play.
Can someone explain why I can do this for some CD's but not for others? They were all ripped the same. Is there a way around it as I don't particularly want the songs on my player to all end in ".mp3"
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Sep 3, 2010
configure a separate NIC for the heartbeat. what i need to add to cluster.conf to achieve this?
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Jun 15, 2010
I want to find out the last time a filesystem was mounted on Linux (Debian).
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Apr 27, 2011
In short, using rsync to upload master database of music files to NAS which runs Twonky as media server. Rsync reports many more files being considered than Twonky reports as being available ie. 15K reported by rsync vs 13K flac and mp3 files reported by Twonky.Is there another easy way to count the number of files on NAS and in master database. I can mount NAS directory locally with NFS on same machine as master database.
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Feb 5, 2010
you can refer to this ubuntu thread for context, but i'll sum up what i'm trying to do here to spare the reading. basically i want to be able to schedule a filesystem check with automatic repairs at the next boot time. but i'm not sure if this will try to automatically fix errors which is what i want to do. the reason i want to do this is because i experienced a power outage (the machine was not plugged into an UPS) and i want to make sure everything is ok.
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Mar 17, 2010
I formatted 56 GBs of my hard disk space into fat32 and it seems that 27 gbs of it is used! Though direct checking from the volume itself shows nothing like this, gparted still insists 27 gbs are used.
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Jun 5, 2010
I have a script that I am using to try to measure network throughput over the ethernet ports. This is at work in order to test the performance of our onboard ethernet ports (planar) versus our pci-e (and daughter) ethernet pluggable cards.The script is very long (and calls other scripts), so I will try to only show the parts that seem to be producing this weird little bug:
Code:
#Robert de Bock's "A shell script to measure network
#throughput on Linux machines" served as the basis for
#this part of the script. Thank you for your help Robert!
[code]...
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