Any HOWTOS for LVM? Our Oracle folks needed more dasd than a 3390-9 so we started doing LVM. It's not so easy to move filesystems between guests with LVM or clone filesystems. Need some howtos with the LVM VG... utilities.
> Mark, > > Do you really need/want one huge root partition? It might be good practice > to start creating separate file systems. I'm assuming you ran out of space > in /usr (most people do at least a few times). You could easily add > /dev/dasdc to your system, create a partition on /dev/dasdc1, copy the > contents of /usr to it, and mount it on your system. Since 210MB is still > fairly small for everything else, you might want to create separate > partitions for /var and /tmp as well. > > For instructions on how to do this, see > http://linuxvm.org/Info/HOWTOS/movefs.html > > Mark Post > > -----Original Message----- > From: Dorney, Mark [mailto:[EMAIL PROTECTED] > Sent: Wednesday, August 06, 2003 6:44 PM > To: [EMAIL PROTECTED] > Subject: Adding dasd space > > I need more space. We had the idea that we'd take down the instance, give > it a larger minidisk and then use VM to copy the existing partition to the > larger minidisk. Although this sounded like the easiest way to accomplish > this, I don't think it'll work now that we've done it. It IPLs ok and when > I go into YAST in the "partitioner" area I see the larger DASD, however, the > partition has not changed (obviously). I guess the thinking (or lack > thereof) was that this would extra space would magically appear. However, > now I realize that isn't the case and to get a partition on DASDC I'm going > to need to format it to get the extra space then partition it, is this > correct? I suspect I'll be told about LVM but right now this is just a > proof of concept and it didn't seem worth the effort to implement LVM for a > few instances. I think what I have to do is add a minidisk the size I > want, format it, partition it, then copy everything over there and change > the mount points, does this sound along the right lines? Thanks > > Device &Id & Size & F &Type & Mount &RAID > &LVM Group > /dev/dasdb & (0192)& 210.9 MB& &S390 Disk & & & > > /dev/dasdb1& & 210.2 MB& &S390 DASD&swap & & > /dev/dasdc & (0193)& 2.0 GB& &S390 Disk & & & > > /dev/dasdc1& & 1.7 GB& &S390 DASD&/ & & > > Mark Dorney > (608)264-6694
