On Wed, Oct 14, 2009 at 08:55:16PM +0200, rai...@ultra-secure.de wrote:
> > nate wrote:
> > if you have a SAN that supports logical volumes that have snapshot and
> > grow and such, I'm not sure why you'd bother with LVM on top of that, it
> > would just further obfuscate things.
>
>
> And how do
Ray Van Dolson wrote:
> Couldn't you accomplish this with the "alias" parameter in your
> multipath.conf file per LUN? We have this set up here so there's a
> /dev/mpath/ based on the WWID.
I suppose I could, I recall the friendly name thing a while
ago, it seemed more complicated than using LVM
>
> And how do you grow a filesystem without LVM?
> Online?
It certainly is not easy!
http://www.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/html/Online_Storage_Reconfiguration_Guide/index.html
Here's hoping for an integrated solution in EL6, but from the looks of
Fedora, it's not likely is it
> nate wrote:
> if you have a SAN that supports logical volumes that have snapshot and
> grow and such, I'm not sure why you'd bother with LVM on top of that, it
> would just further obfuscate things.
And how do you grow a filesystem without LVM?
Online?
_
On Wed, Oct 14, 2009 at 11:22:36AM -0700, nate wrote:
> John R Pierce wrote:
>
> > if you have a SAN that supports logical volumes that have snapshot and
> > grow and such, I'm not sure why you'd bother with LVM on top of that, it
> > would just further obfuscate things.
>
> Makes life easier for
John R Pierce wrote:
> if you have a SAN that supports logical volumes that have snapshot and
> grow and such, I'm not sure why you'd bother with LVM on top of that, it
> would just further obfuscate things.
Makes life easier for me when using MPIO, auto detection of the
volume no matter what pat
On Wed, Oct 14, 2009 at 10:52:19AM -0700, nate wrote:
> James A. Peltier wrote:
>
> > Mounting a snapshot requires the generation of a new UUID for the file
> > system in order to be able to use it. Perhaps this is a XFS limitation,
> > but unlike ZFS they aren't immediately available. We need t
On Wed, Oct 14, 2009 at 12:39:54PM -0500, Eugene Vilensky wrote:
> On Wed, Oct 14, 2009 at 12:36 PM, James A. Peltier
> wrote:
> > They take up 16MB of space regardless of the amount of data that changes. A
> > single bit changes and 16MB is taken up. This is not tunable.
>
> I know they run L
On Wed, Oct 14, 2009 at 10:36:01AM -0700, James A. Peltier wrote:
> On Tue, 13 Oct 2009, Pasi Kärkkäinen wrote:
>
> >
> >Hmm.. what kind of problems do you have with snapshots?
>
> Let's see
>
> They take up 16MB of space regardless of the amount of data that changes.
> A single bit changes an
nate wrote:
> Another side effect of snapshots and using LVM for example(applies
> to any vendor's block based snapshots), is you can't easily take
> a snapshot of an LVM-based file system, then mount that snapshot
> on the same system, LVM will bitch.
if you have a SAN that supports logical vol
James A. Peltier wrote:
> Mounting a snapshot requires the generation of a new UUID for the file
> system in order to be able to use it. Perhaps this is a XFS limitation,
> but unlike ZFS they aren't immediately available. We need to perform this
> action extensively to backup file systems and a
On Wed, Oct 14, 2009 at 12:36 PM, James A. Peltier wrote:
> They take up 16MB of space regardless of the amount of data that changes. A
> single bit changes and 16MB is taken up. This is not tunable.
I know they run Linux but is the internal file system some secret
sauce or did they just slap t
On Tue, 13 Oct 2009, Pasi Kärkkäinen wrote:
Hmm.. what kind of problems do you have with snapshots?
Let's see
They take up 16MB of space regardless of the amount of data that changes.
A single bit changes and 16MB is taken up. This is not tunable.
Mounting a snapshot requires the genera
On Mon, Oct 12, 2009 at 07:04:21PM -0500, Eugene Vilensky wrote:
> Hi List,
>
> Does anyone here use Dell Equallogic IP SAN? If so, do you have any
> immediate high points / low points you wouldn't mind discussing on- or
> off-list ?
>
Yep, I've been using Equallogic iSCSI arrays with Linux/RHE
On Mon, Oct 12, 2009 at 06:44:55PM -0700, James A. Peltier wrote:
> On Mon, 12 Oct 2009, Eugene Vilensky wrote:
>
> > Hi List,
> >
> > Does anyone here use Dell Equallogic IP SAN? If so, do you have any
> > immediate high points / low points you wouldn't mind discussing on- or
> > off-list ?
> >
We use a pair for production and DR.
Email me off list and I would be glad to discuss.
Andrew
--Original Message--
From: Eugene Vilensky
Sender: centos-boun...@centos.org
To: CentOS mailing list
ReplyTo: CentOS mailing list
Subject: [CentOS] Dell Equallogic
Sent: Oct 12, 2009 8:04 PM
On Mon, 12 Oct 2009, Eugene Vilensky wrote:
> Hi List,
>
> Does anyone here use Dell Equallogic IP SAN? If so, do you have any
> immediate high points / low points you wouldn't mind discussing on- or
> off-list ?
>
Yes, it works fine, however, we don't use the snapshot capability of the
system
Hi List,
Does anyone here use Dell Equallogic IP SAN? If so, do you have any
immediate high points / low points you wouldn't mind discussing on- or
off-list ?
Thanks.
___
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/ce
18 matches
Mail list logo
