Thank you, Prathyush. I use lvmlib and not command-line tools. There is no FS on the LVs, so there are no mount issues. I am issuing lvm_lv_deactivate() and it succeeds. But later, the LV is active again.... Alex. On Tue, Jul 26, 2011 at 5:45 AM, Prathyush <prathyush.r@gmail.com> wrote: > Hi, > > Hope its not dismounted properly . > Do a resize2fs again and lvchange -an > > Regards > Prathyush > > On Sun, Jul 24, 2011 at 1:17 PM, Alexander Lyakas <alex.bolshoy@gmail.com> > wrote: >> >> OK, since nobody answered, let me perhaps ask a different question. >> >> Is there any way to prevent any automatic LV activation/deactivation? >> And have full manual control via lvm_lv_deactivate/lvm_lv_activate? >> >> Setting activation = 0 in global section of lvm.conf did not do the >> job, because then lvm_vg_create_lv_linear fails, so I even cannot >> create a LV. >> >> Thanks, >> Alex. >> >> >> On Tue, Jul 19, 2011 at 5:14 PM, Alexander Lyakas >> <alex.bolshoy@gmail.com> wrote: >> > >> > Hello everybody, >> > I am using stock ubuntu natty with lvmlib 2.02.66: >> > root@11:/mnt/work/alex# uname -a >> > Linux 11 2.6.38-8-server #42-Ubuntu SMP Mon Apr 11 03:49:04 UTC 2011 >> > x86_64 x86_64 x86_64 GNU/Linux >> > >> > In my code I open a VG, iterate over all the LVs and then call >> > lvm_lv_deactivate() on each LV. The return value is 0, and also >> > immediately after that, I call lvm_lv_is_active() for each LV and >> > assert that it returns 0 (not-active). >> > Later in the code, I close the VG handle. >> > >> > However, when I issue lvdisplay from command-line, I still see: >> > LV Status available >> > and the dm device files for the LVs are also present (/dev/dm-0 etc). >> > >> > As a result I cannot later stop the underlying md devices (PVs) using >> > 'mdadm --stop'. >> > If I do lvchange -an from the command line later, it succeeds, LV >> > status becomes 'NOT available' and I am able to stop the md arrays. >> > >> > From looking at the code of lvmlib, it looks like lvm_lv_deactivate() >> > does not require lvm_vg_write(); I see that lvchange implementation >> > does not seem to call this when de-activating LVs. Still, I have tried >> > to call lvm_vg_write() with same effect. >> > >> > No other application on the machine uses the same VG (at least not >> > that I know of). >> > >> > Can anybody please advise what I might be missing. >> > >> > Thanks, >> > Alex. >> >> _______________________________________________ >> linux-lvm mailing list >> linux-lvm@redhat.com >> https://www.redhat.com/mailman/listinfo/linux-lvm >> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ > > > > -- > Regards, > Prathyush > > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ > _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
