Is there a list of pro's and con's somewhere? >>> On Wed, Aug 13, 2008 at 11:47 PM, in message <[EMAIL PROTECTED]>, Scott Rohling <[EMAIL PROTECTED]> wrote: >> >> I didn't say that LVMs are inherently risky or unreliable. >> By all means build and use LVMs to hold your application >> data and code. Just don't put the root Linux file system >> (the one Linux needs to boot from...) in an LVM. It makes >> recovery of a sick penguin in a z/VM environment must >> easier. >> >> >> > And expansion of a root filesystem much harder. As pointed out, RedHat > defaults to an LVM root - so it's harder to brush it aside as just a bad > idea. > > I think there are pros and cons - enough on both sides that I wouldn't flat > out tell someone "don't do it".. Recovery is less easy, yes, but certainly > possible - you just have more than one DASD to consider. > > I think this is one of those topics that is endlessly debatable, so it's > best just to list the pros and cons (and not just the cons) and leave it to > the implementer to decide why they may or may not want to use LVM for root. > > I say there are good reasons to do it, so it should be something that is > carefully considered. My best advice to the original appender is to try > it.. and understand first-hand the differences. Fill up root and see if > it's easier to add DASD to an LVM or move the whole fileystem to another > DASD. Then - make your system unbootable (put an error in your /etc/fstab > or zipl.conf or something) .. and then try and recover it with both an LVM > and non-LVM root. These are the kinds of pros and cons you have to weigh > yourself.. > > Scott Rohling > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or > visit > http://www.marist.edu/htbin/wlvindex?LINUX-390
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