All.Looking for some guidance/experience with LVM and pvmove.I have a LUN/PV being presented from a iscsi SAN. The LUN/PV is presented to 5 servers as a shared VG they all have LVs they use for data, they are all connected via iSCSI.As the SAN I am us..
I have just installed CentOS 7 onto two servers and applied all the current patches. There are currently two kernels installed:# rpm -q kernel kernel-3.10.0-123.el7.x86_64kernel-3.10.0-123.9.3.el7.x86_64However, if I reboot the servers they both st..
In an environment , I have 20 CentOS servers running together . For shutting them down , I need to issue the followings on each of the servers :#./stopServer#init 0This is cumbersome to try to issue these on huge amount of servers to keep them saf..
ListI have a Bootable USB stick that we use to Boot our servers and then install CentOS, PostgreSQL and our SW thru a Kickstart script.It works like a charm but now we are thinking of going Virtual and prepping Virtual CentOS servers under VMware ESXi.Howev..
On one CentOS 6.5 server, but not on other C 6.5 servers, Logwatch daily tells me:- Last Status:WARNING: Your ClamAV installation is OUTDATED!WARNING: Local version: 0.98.3 Recommended version: 0.98.4—-..
I have googled, read the man page, and such.What I am trying to do is install applications to a NFS mounted drive, where the libraries and everything are locally installed on that filesystem so that it is portable across servers (I have over 100 serv..
I have IBM Storwize V3700 storage, connected to 2 IBM x3550 M4 servers via fiber channel. The servers are with QLogic ISP2532-based 8Gb Fibre Channel to PCI Express HBA cards and run CentOS 5.10When I export a volume to the servers, each of them s..
We have noticed a variety of reproducible conditions working with sparse files on multiple servers under load with CentOS 6.4. The short story is that processes that read / write sparse files with large holes can generate an IO storm. Oddly, this o..
I am having problems with EDNS support on a few CentOS 6.3 bind servers.I am trying to determine if the problem is my Juniper SSG5 firewall of CentOS.All the servers have firewall enabled, though I have tested with stopping iptables and ip6tables.I..
All.I have a setup in which I have two servers serving nfs share. The nfs service is made highly available with pacemaker. When the primary server goes down the secondary starts nfs service. Service IP is floating between servers but they have NO sha..