similar to: LVM hatred, was Re: /boot on a separate partition?

On 06/25/2015 06:44 PM, Chris Murphy wrote: > Gordon Messmer gordon.messmer at gmail.com Wed Jun 24 01:42:13 UTC 2015 > >> I wondered the same thing, especially in the context of someone who >> prefers virtual machines. LV-backed VMs have *dramatically* better disk >> performance than file-backed VMs. > I did a bunch of testing of Raw, qcow2, and LV backed VM storage

On Wed, June 24, 2015 16:11, Chuck Campbell wrote: > > Is there an easy to follow "howto" for normal LVM administration > tasks. I get tired of googling every-time I have to do something > I don't remember how to do regarding LVM, so I usually just > don't bother with it at all. > > I believe it has some benefit for my use cases, but I've been >

Alan& Akemi, Would it be possible to get CONFIG_ARPD turned on in the centosplus 6.x kernel? It is required to use opennhrp. See the link below where is was decided to turn it on in Fedora. https://bugzilla.redhat.com/show_bug.cgi?id=502844 -- Stephen Clark *NetWolves* Director of Technology Phone: 813-579-3200 Fax: 813-882-0209 Email: steve.clark at netwolves.com

Once upon a time, m.roth at 5-cent.us <m.roth at 5-cent.us> said: > Here's a question: all of the arguments you're giving have to do with VMs. > Do you have some for straight-on-the-server, non-VM cases? I've used LVM on servers with hot-swap drives to migrate to new storage without downtime a number of times. Add new drives to the system, configure RAID (software or

On 06/23/2015 09:15 AM, Jason Warr wrote: >> That said, I prefer virtual machines over multiboot environments, and I >> absolutely despise LVM --- that cursed thing is never getting on my >> drives. Never again, that is... > > I'm curious what has made some people hate LVM so much. I wondered the same thing, especially in the context of someone who prefers virtual

On Tue, 23 Jun 2015 19:08:24 -0700 Gordon Messmer <gordon.messmer at gmail.com> wrote: > > Such as: > 1) LVM makes MBR and GPT systems more consistent with each other, > reducing the probability of a bug that affects only one. > 2) LVM also makes RAID and non-RAID systems more consistent with each > other, reducing the probability of a bug that affects only one. OTOH,

Marko Vojinovic wrote: > On Tue, 23 Jun 2015 14:23:52 -0400 > Mauricio Tavares <raubvogel at gmail.com> wrote: > >> On Tue, Jun 23, 2015 at 1:54 PM, Marko Vojinovic <vvmarko at gmail.com> >> wrote: >> > On Tue, 23 Jun 2015 11:15:30 -0500 >> > Jason Warr <jason at warr.net> wrote: >> >> >> >> I'm curious what has

Hello, I am trying to compile RHEL-6 kernel srpm on Fedora 14 and run into the following problem. From what I read -Werror flag causes warnings to be treated as errors - but I don't see that flag on in the following. Any ideas? gcc -Wp,-MD,arch/x86/kernel/acpi/realmode/.wakemain.o.d -nostdinc -isystem /usr/lib/gcc/i686-redhat-linux/4.5.1/include -nostdinc -isystem

On 06/23/2015 10:54 AM, Marko Vojinovic wrote: > (1) I have no valid usecase for it. I don't remember when was the last > time I needed to resize partitions (probably back when I was trying to > install Windows 95). Disk space is very cheap, and if I really need to > have *that* much data on a single partition, another drive and a few > intelligently placed symlinks are usually

On 6/23/2015 10:33 AM, Marko Vojinovic wrote: > Inside / (which is mostly always ext4), 100% of the time. :-) > > That said, I prefer virtual machines over multiboot environments, and I > absolutely despise LVM --- that cursed thing is never getting on my > drives. Never again, that is... I'm curious what has made some people hate LVM so much. I have been using it for years

On Tue, 23 Jun 2015 18:42:13 -0700 Gordon Messmer <gordon.messmer at gmail.com> wrote: > > I wondered the same thing, especially in the context of someone who > prefers virtual machines. LV-backed VMs have *dramatically* better > disk performance than file-backed VMs. Ok, you made me curious. Just how dramatic can it be? From where I'm sitting, a read/write to a disk

On 6/23/2015 11:23 AM, Mauricio Tavares wrote: > AIX does use lvm a lot. Main difference is their filesystem > allows live shrinking. Kinda nice to dynamically size a partition > depending on needs, as opposite to the so often suggested approach of > formatting the entire drive as one single partition. Symlinking is > great until whatever the destination is does not mount. I

Gordon Messmer wrote: > On 06/23/2015 08:10 PM, Marko Vojinovic wrote: >> Ok, you made me curious. Just how dramatic can it be? From where I'm >> sitting, a read/write to a disk takes the amount of time it takes, the >> hardware has a certain physical speed, regardless of the presence of >> LVM. What am I missing? > > Well, there's best and worst case

On 06/24/2015 12:06 PM, Chris Adams wrote: > LVM snapshots make it easy to get point-in-time consistent backups, > including databases. For example, with MySQL, you can freeze and flush > all the databases, snapshot the LV, and release the freeze. Exactly. And I mention this from time to time... I'm working on infrastructure to make that more common and more consistent:

On 6/24/2015 3:11 PM, Chuck Campbell wrote: > Is there an easy to follow "howto" for normal LVM administration > tasks. I get tired of googling every-time I have to do something I > don't remember how to do regarding LVM, so I usually just don't bother > with it at all. I believe it has some benefit for my use cases, but > I've been reticent to use it,

On 6/25/2015 8:50 AM, Robert Heller wrote: > man vgdisplay > man lvdisplay > man lvcreate > man lvextend > man lvresize > man lvreduce > man lvremove > man e2fsck > man resize2fs man xfs_growfs -- john r pierce, recycling bits in santa cruz

----- Original Message ----- | On 6/25/2015 8:50 AM, Robert Heller wrote: | > man vgdisplay | > man lvdisplay | > man lvcreate | > man lvextend | > man lvresize | > man lvreduce | > man lvremove | > man e2fsck | > man resize2fs | | man xfs_growfs You forgot man "this opinion thread is getting really long" -- James A. Peltier IT Services - Research Computing

On 6/25/2015 11:12 AM, James A. Peltier wrote: > You forgot man "this opinion thread is getting really long" No manual entry for this opinion thread is getting really long -- john r pierce, recycling bits in santa cruz

On Thu, June 25, 2015 11:59 am, Scott Robbins wrote: > On Thu, Jun 25, 2015 at 10:49:57AM -0500, Jason Warr wrote: >> >> >> On 6/24/2015 3:11 PM, Chuck Campbell wrote: >> >Is there an easy to follow "howto" for normal LVM administration >> >tasks. I get tired of googling every-time I have to do something I >> >don't remember how to do

Mike - st257 silvertip257 at gmail.com Tue Jun 23 16:40:47 UTC 2015 > On Tue, Jun 23, 2015 at 12:15 PM, Jason Warr <jason at warr.net> wrote: > > I'm curious what has made some people hate LVM so much. I have been using > > it for years on thousands of > > No clue. > My experiences with LVM have been positive as well. > And in opinion it doesn't add much