ehowton (ehowton) wrote,

Back-End LUNs in Regards to LVM

For reasons I won't go into here, I increased the capacity of an iSCSI LUN to make more room in a handful of logical volumes. Awkwardly, the parent volume group lost its goddamn mind.

I can't recall if I've ever run into this specific scenario or not before, but I doubt it because I rarely mess around with SAN. Well, until recently anyway. Suffice it to say I was stuck until I could find away to dynamically resize the volume group. Turns out you have to use pvresize as in:

pvresize /dev/sdb

I cannot remember now if I had activated or deactivated the vg prior to doing so, but at any rate it worked.
Tags: linux, unix, vmware

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