Re: [CentOS] clustered file system of choice

2010-06-17 Thread Raja Subramanian
On Thu, Jun 17, 2010 at 1:03 AM, Boris Epstein borepst...@gmail.com wrote: I am just trying to consider my options for storing a large mass of data (tens of terrabytes of files) and one idea is to build a clustered FS of some kind. Has anybody had any experience with that? Any recommendations?

Re: [CentOS] Installing on partitionable RAID arrays

2009-03-26 Thread Raja Subramanian
On Thu, Mar 26, 2009 at 5:42 PM, RedShift redsh...@pandora.be wrote: Since linux 2.6, the md layer has a feature called partitionable arrays. So instead of having two disks, creating an identical partition table on both and then putting those partitions in RAID 1, you take those two disks and

Re: [CentOS] Getting perl CGI programs to work on CentOS 5 server

2008-09-22 Thread Raja Subramanian
On Mon, Sep 22, 2008 at 9:18 PM, Andrew Allen [EMAIL PROTECTED] wrote: This has worked absolutely fine in the past, but now when I invoke it, either nothing appears in the browser (Mozilla Firefox) or I get Internal Server Error - any ideas please? Check your web server logs to find out what

[CentOS] Multiple LVM snapshots

2008-07-11 Thread Raja Subramanian
I have a Centos 5.2 fileserver running LVM2, ext3 and Samba. I want to periodically snapshot a filesystem and offer them as read only backups to my users. I'm looking for something similar to what's available on Netapp filers. I am successfully able to create snapshots using LVM. But are there

Re: [CentOS] dm-multipath use

2008-06-25 Thread Raja Subramanian
On Wed, Jun 25, 2008 at 11:19 PM, Geoff Galitz [EMAIL PROTECTED] wrote: Are folks in the Centos community succesfully using device-mapper-multipath? I have a couple of CentOS 5.1 servers connected to a dual controller Hitachi SMS 100 array. Both iscsi and multipath are with failover are all

Re: [CentOS] lvm with iscsi devices on boot

2008-06-22 Thread Raja Subramanian
On Fri, Jun 20, 2008 at 1:04 AM, Ross S. W. Walker [EMAIL PROTECTED] wrote: I think the key here is to add the _netdev option in fstab for those filesystems over iSCSI, even using LVM. I got a chance to reboot the server this weekend and happy to report that my iscsi/multipath/lvm volumes are

Re: [CentOS] recommendations for copying large filesystems

2008-06-22 Thread Raja Subramanian
On Sun, Jun 22, 2008 at 3:36 AM, Rainer Duffner [EMAIL PROTECTED] wrote: Now that I know the details - I don' think this is going to work. Not with 100 TB of data. It kind-of-works with 1 TB. Can anybody comment on the feasibility of rsync on 1 million files? rsync always broke on my

[CentOS] lvm with iscsi devices on boot

2008-06-19 Thread Raja Subramanian
Hi All, My CentOS 5.1 server is using iSCSI attached disks connecting to a dual controller storage array. I have also configured multipathd to manage the multiple paths. Everything works well, and on boot the dev nodes are automatically created in /dev/mapper. On these devices, I have created