Re: Possible to add an LVM to existing Wheezy box

2014-01-02 Thread Chris Davies
Ron Leach wrote: > Actually, the disk we are rescuing is the surviving member of a RAID1 > pair[1]. I realised, today, that I cannot simply install that in our > Wheezy box because (I think) it needs a software RAID layer in order > to read it (fstab refers to md1, md2 etc). It depends on the RA

Re: Possible to add an LVM to existing Wheezy box

2014-01-01 Thread Ron Leach
On 01/01/2014 16:33, Chris Davies wrote: If the backup is really this important, I would strongly recommend that you make additional backups elsewhere (offsite). [] I'd also suggest that you replace the local singleton disk with a RAID1 pair. I agree. Actually, the disk we are rescuing i

Re: Possible to add an LVM to existing Wheezy box

2014-01-01 Thread Chris Davies
Howard wrote: > [...] one partition of 1.7TB purely for filesystem backup data [...] > The data partition contains several years' worth of incremental backups > [...] It also provides the historical context of what data was available > to us during our projects, which can be important. If the ba

Re: Possible to add an LVM to existing Wheezy box

2013-12-31 Thread Ron Leach
On 31/12/2013 18:58, Shane Johnson wrote: If you're planning on adding the other 2TB disk anyways now would be the best time as far as ease goes. This is due to you can just make the LVM with the new disk then clone the data to the new partition in the LVM. Then once you are comfortable that

Re: Possible to add an LVM to existing Wheezy box

2013-12-31 Thread Shane Johnson
Ron, Yes it is possible. Depending on how involved you want to get with this project there are a couple of ways to proceed. To preserve the data, you're going to need to need equivalent space to move the data to. You can't just convert a normal ext4 partition to run on LVM. If you're planning on

Apology: Possible to add an LVM to existing Wheezy box

2013-12-31 Thread Ron Leach
On 31/12/2013 17:37, Howard wrote: More info: existing partition The existing partition would be from our 'filesystem backup' machine, [snip] suggestion of creating a new empty LVM might work, otherwise. regards, Ron Tst. Apologies to the list for posting this message using the wrong n

Re: Possible to add an LVM to existing Wheezy box

2013-12-31 Thread Howard
On 31/12/2013 16:44, Shane Johnson wrote: Some more information would be helpful as well. Does the existing data contain the OS? What are you trying to achieve by moving the data? More info: existing partition The existing partition would be from our 'filesystem backup' machine, which runs

Re: Possible to add an LVM to existing Wheezy box

2013-12-31 Thread Shane Johnson
Ron, Yes is possible, but there will be some data migration and configuration changes. Some more information would be helpful as well. Does the existing data contain the OS? What are you trying to achieve by moving the data? On Tue, Dec 31, 2013 at 9:33 AM, Ron Leach wrote: > Is it possible t

Re: Possible to add an LVM to existing Wheezy box

2013-12-31 Thread Eduardo M KALINOWSKI
On 12/31/2013 02:33 PM, Ron Leach wrote: Is it possible to create an LVM on a machine that's already running Wheezy but without an LVM? I've looked at https://wiki.debian.org/LVM and the howto which the wiki refers to, http://www.tldp.org/HOWTO/LVM-HOWTO/initdisks.html but these seem, to me

Possible to add an LVM to existing Wheezy box

2013-12-31 Thread Ron Leach
Is it possible to create an LVM on a machine that's already running Wheezy but without an LVM? I've looked at https://wiki.debian.org/LVM and the howto which the wiki refers to, http://www.tldp.org/HOWTO/LVM-HOWTO/initdisks.html but these seem, to me, to be meant for an initial install or, a