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тАО05-28-2007 07:39 PM
тАО05-28-2007 07:39 PM
Extending logical drive and Linux
I need to repeate the some procedure on a DL380 G3 also, both running SLES9 SP3.
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тАО05-29-2007 07:02 AM
тАО05-29-2007 07:02 AM
Re: Extending logical drive and Linux
There are also tools to extend a filesystem for some filesystem types (ext2, ext3 and maybe reiser), but each of them requires that you extend the underlying partition or LVM logical volume first. Some filesystems can even be extended online, without unmounting them.
Your question is slightly ambiguous: a DL380 has a SmartArray hardware RAID controller, which hides the real, physical disks from the OS and presents them as one or more logical disks.
LVM will take any disks the OS can see and designate them as Physical Volumes (PVs). These can be then joined into volume groups (VGs) and then split again into logical volumes (LVs) as needed.
Note that a SmartArray _logical_ disk (or a partition of it) is used as a LVM _physical_ volume.
Because of this ambiguous terminology, I'm not exactly sure about what you're intending to extend.
Are you already using LVM on your original disks?
If not, the operation may still be possible but very tricky... and it requires that the partition you wish to extend is at the end of the existing SmartArray logical disk, so the new free space will be contiguous with the partition you intend to expand.
If you make the new physical disk into a new SmartArray logical disk, the new disk will be without any RAID protection. I don't remember the possibilities and limitations to extending of SmartArray logical disks, but the SmartArray documentation will certainly have that information.
So tell us more.
What does the partition table of the SmartArray logical disk you wish to extend look like?
MK
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тАО06-07-2007 06:36 PM
тАО06-07-2007 06:36 PM
Re: Extending logical drive and Linux
The cleanest way to do what i was looking for is to use the pvresize. Thanks a lot, wasn't aware that resizing a PV was possible, do you have any examples of the command?. Can a reize of a PV be done online?
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тАО06-07-2007 07:09 PM
тАО06-07-2007 07:09 PM
Re: Extending logical drive and Linux
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тАО06-08-2007 07:11 AM
тАО06-08-2007 07:11 AM
Re: Extending logical drive and Linux
If you're expanding the storage, you must first expand the underlying storage, then pvresize; if you're shrinking the storage, you must successfully use pvresize to shrink the PV *before* you actually shrink the underlying storage.
"man pvresize" has more information and some examples.
MK