Messages in this thread | | | Date | Tue, 05 Jun 2012 13:36:08 +0400 | From | George Shuklin <> | Subject | Re: Why minor is still 8 bit? |
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On 05.06.2012 13:23, Paul Bolle wrote: > On Tue, 2012-06-05 at 05:08 +0400, George Shuklin wrote: >> Anyway, using LVM to provide logical volumes to customers seems be fine >> (at least by name). But that limitation for minor is breaking whole idea. > man 8 vgcreate reads (in part): > -l, --maxlogicalvolumes MaxLogicalVolumes > Sets the maximum number of logical volumes allowed in this > volume group. The setting can be changed with vgchange. For > volume groups with metadata in lvm1 format, the limit and > default value is 255. If the metadata uses lvm2 format, the > default value is 0 which removes this restriction: there is then > no limit. > > Doesn't that option work for you (assuming you're not stuck on lvm1 > format)? If not, where do things go wrong? > > (Note that I never worry about this limit, since I never use more than a > handful of logical volumes per volume group.) > This is a limitaiton of LMV itself. I'm talking about making those LV active (visible in system). When you trying to activate too much LV, you will get 'device io ctl failed' message.
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