[CentOS] LVM question during an upgrade

2012-11-07 Thread m . roth
Well, I'm upgrading a server from 5.8 to 6.3. Problem: someone built the system with LVM. I see some few differences between /etc/lvm/lvm.conf and the one from 6.3, and I'm trying to figure out what I can leave alone, and what I need to set to that from the old version. For example, the old one has

Re: [CentOS] LVM question

2012-01-17 Thread Gordon Messmer
On 01/16/2012 07:38 PM, Muhammad Panji wrote: > even if you need more swap you can make (additional) swap file. Swap files are just *awful*. Performance when swapping is bad enough, but going through the filesystem layer means updating atime and mtime on reads and writes. Things get real ugly

Re: [CentOS] LVM question

2012-01-17 Thread Gordon Messmer
On 01/16/2012 07:26 PM, Jonathan Vomacka wrote: > It is to my understanding that the /boot partition should never be > placed on LVM and should be a physical partition on the hard drives > (or on top of a RAID array). Is this an accurate statement? Not necessarily "never" but not if your boot load

Re: [CentOS] LVM question

2012-01-17 Thread Aslan Carlos
On 01/17/2012 11:40 AM, Steve Thompson wrote: > on LVM is quite safe as long as it is below 2GB It's not possible put /boot on LVM when you working with GRUB. Grub works with 2 stages: 1ยบ - MBR ( Master Boot Record ) , with instruction to access the partition where store kernel , initrd and grub

Re: [CentOS] LVM question

2012-01-17 Thread Steve Thompson
On Mon, 16 Jan 2012, Jonathan Vomacka wrote: > It is to my understanding that the /boot partition should never be > placed on LVM and should be a physical partition on the hard drives > (or on top of a RAID array). Is this an accurate statement? /boot on LVM is quite safe as long as it is below 2

Re: [CentOS] LVM question

2012-01-16 Thread Jonathan Vomacka
On Mon, Jan 16, 2012 at 10:38 PM, Muhammad Panji wrote: > On Tue, Jan 17, 2012 at 10:26 AM, Jonathan Vomacka wrote: > >> CentOS Community, >> >> It is to my understanding that the /boot partition should never be >> placed on LVM and should be a physical partition on the hard drives >> (or on top o

Re: [CentOS] LVM question

2012-01-16 Thread Muhammad Panji
On Tue, Jan 17, 2012 at 10:26 AM, Jonathan Vomacka wrote: > CentOS Community, > > It is to my understanding that the /boot partition should never be > placed on LVM and should be a physical partition on the hard drives > (or on top of a RAID array). Is this an accurate statement? > Yup. Because GR

[CentOS] LVM question

2012-01-16 Thread Jonathan Vomacka
CentOS Community, It is to my understanding that the /boot partition should never be placed on LVM and should be a physical partition on the hard drives (or on top of a RAID array). Is this an accurate statement? Also please advise if the SWAP filesystem is safe to be placed under LVM, or if this