similar to: Centos 6 - Create raid 1 + LVM during gui install

Hi all, Does any one know of a how to for creating raid 1 + LVMs during install for Centos 6? Do I create the physical LVM first and then raid or vise versa? Its seems diff then doing it for Centos 5. - aurf

Hi all, Please excuse the many posts. Wondering if any one can help me with the the setup. I have 2x2TBdisks. I would like to mirror them. I would like to create two LVMs so that I can snap shot from one to the other. During Centos 6 install, how would I go about this as its confusing? So far I am here; 1) Created the following raid devices; md0 500MB (use it for /boot) md1 4000MB (use it

I'm in the process of rebuilding one of my machines and I've been using Raid 1 with LVM on a CentOS 5 OS. I'm trying to get my ducks in a row to move to CentOS 6. However, I can't seem to locate and on the instructions/tutorials that show how to duplicate my Raid 1 LVM environment running CentOS 6. I saw the 'Partionable Raid 1 on CentOS 5 and 6', but it stopped

Hi This topic is perhaps not for this list, but it I'm running on a CentOS 4.4 and it seems that a lot of people here uses 3Ware and RAID volumes. I did a RAID migration on a 3Ware 9590SE-12, so that an exported disk grew from 700GB to 1400GB. The exported disk is managed by LVM. The problem now is that I don't really know what to do now to let LVM and my locigal volume to make use of

Hi, I've been using qemu-img resize for a few days now, seems fine. But if I du the VMs image file, it still shows the size before resizing. Inside that VM, the new size shows correctly. Is qemu-img resize the right tool for this? Once I qemu-img resize, I then use various fdisk/ LVM tools, etc... to resize within the VM just incase you all were wondering. - aurf

On Fri, February 27, 2015 10:00 pm, Marko Vojinovic wrote: > On Fri, 27 Feb 2015 19:24:57 -0800 > John R Pierce <pierce at hogranch.com> wrote: >> On 2/27/2015 4:52 PM, Khemara Lyn wrote: >> > >> > What is the right way to recover the remaining PVs left? >> >> take a filing cabinet packed full of 10s of 1000s of files of 100s of >> pages each,

Is there an lvm command to print out any kind of version information for the LVM superblock, similar to what "mdmadmin -E" does for raid. How can I tell whether a mountable device with LVMs on it can be safely moved between CentOS 5 and CentOS 6 and/or potentially other Linux distributions? I know that that CentOS 6 supports 'lvconvert -merge'. Is this implementation purely in

I think I have solved my issue and would like some input from anyone who has done this for pitfalls, errors, or if I am just wrong. Centos 5.x, software raid, 250gb drives. 2 drives in mirror, one spare. All same size. 2 devices in the mirror, one boot (about 100MB), one that fills the rest of disk and contains LVM partitions. I was thinking of taking out the spare and adding a 500gb drive. I

Hi all, As part of my raid experience, I have yet to have to do this, but was wondering how you guys would attempt it. I have 3 drives in a raid 1, with one as a hot spare. They are 250gb with all space used by two raid devices, 1 with boot, the other with LVMs filling them up. Now, lets say down the road I want to put in 500gb drives and replace them....yikes. I was thinking of taking out the

Hi all, Installing 5.5 on a fresh system having an Intel RAID. My 2 drives are configured as a mirror within the Intel BIOS. When starting my install, Anaconda throws an exception. After a brief goog, I see one possible fix is - at the install prompt, type; linux text nodmraid This is fine and all but Centos sees 2 disks at this point rather then 1 which is what I thought the Intel RAID

Hi all, I rebooted a server having a 20TB XFS volume under LVM and wait about 15 min to boot. It stays at; Setting up logical volume management For 15 min then proceeds to boot fine. During this time, I see the 14 disks of the 20TB volume flashing quickly as though being read. Nothing in my logs to indicate bad behavior. I am running the latest 6,4 kernel. Any one see this before? - aurf

Hello Boris, On Tue, 2015-08-25 at 15:59 -0400, Boris Epstein wrote: > We have a Centos 6 VM (64 bit) running on a VMware vSphere 5.5 server. It > was running just fine until one day I decided to reboot it and it just > would not boot up. Effectively, dracut failed to initialize the LVM, much > like under the scenario described here: > >

Hi All, I have what I believe to be a pretty basic LVM & RAID setup on my CentOS 5 machine: Raid Partitions: /dev/sda1,sdb1 /dev/sda2,sdb2 /dev/sda3,sdb3 During the install I created a RAID 1 volume md0 out of sda1,sdb1 for the boot partition and then added sda2,sdb2 to a separate RAID 1 volume as well (md1). I then setup md1 as a LVM physical volume for volume group 'system'. I

On Sat, Feb 28, 2015 at 1:26 PM, Valeri Galtsev <galtsev at kicp.uchicago.edu> wrote: > Indeed. That is why: no LVMs in my server room. Even no software RAID. > Software RAID relies on the system itself to fulfill its RAID function; > what if kernel panics before software RAID does its job? Hardware RAID > (for huge filesystems I can not afford to back up) is what only makes >

Hello listmates, I have encountered a rather peculiar situation. We have a Centos 6 VM (64 bit) running on a VMware vSphere 5.5 server. It was running just fine until one day I decided to reboot it and it just would not boot up. Effectively, dracut failed to initialize the LVM, much like under the scenario described here:

CentOS 5, original kernel (xen and normal) and everything, Linux RAID 1. I rebooted one of my machines after doing some changes to RAID/LVM and now the two RAID partitions that I made changes to are "gone". I cannot boot into the system. On bootup it tells me that the devices md2 and md3 are busy or mounted and drops me to the repair shell. When I run fs check manually it just tells

Hello all, I''ve been searching through the archives and the internet for a while now, and can''t seem to find anything that helps me out. I hope you don''t my posting this to both xen-users and linux-lvm simultaneously, but i figured it''d help keep the solution in one place... even though it''ll be the same across two places... Anyways: My setup is this:

Hello list, I'm trying to install CentOS 5.2 on LVM on a SW-RAID level 1, but I'm unable to understand how to use the installer correctly. What I'm trying to do is emulate something I've already done with another distro where: sda5 \ RAID1 --> /boot sdb5 / sda6 \ RAID1 --> LVM --> /root, /home, /usr, /var... etc. sdb6 / I've succesfully

Sorry for breaking the threading, as I only get the daily digest. My comments (interspersed) begin with the **. Message: 41 Date: Tue, 16 Sep 2014 18:38:02 -0400 From: SilverTip257 <silvertip257 at gmail.com> To: CentOS mailing list <centos at centos.org> Subject: Re: [CentOS] Advice on CentOS 7, software raid 1, lvm, 3 TB disks Message-ID:

Hello, I wonder if we can use RAID (hard) under LVM for Xen domU. What kind of RAID is recommanded ? I was thinking about the following configuration: - RAID 1 (two 70 GB disks) for the dom0 - RAID 5 (three 285 GB disks) for domU on LVM partitions Any idea ? Regards, Thomas _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com