On Wed, Sep 21, 2016 at 01:46:12PM +0200, Zdenek Kabelac wrote: > Dne 20.9.2016 v 18:07 Руденко Александр napsal(a): > >Hi, friends. > > > >I have strange question) > > > >I have one shared LUN on many different hosts. > >LUN is PV in some VG. > > > >Each hosts can make any operation in this VG - create LV, remove LV, resize LV, etc. > >If i want access to same LV on same host, i take "lvscan" and "lvchange -aey /dev/VG/LV_name". > >I'm sure can't two modification VG in same time. > > > >It work fine for me. > > > >My question. > > > >Can i not use the CLVM extension? > > > >CLVM is great extension for LVM, but i will have more 100 nodes. > >This count not supported in corosync. > > > There is now (slowly) introduce another clustered locking support where > the instead of 'dlm' locking engine it's using 'sanlock' > > It's targeting the 'many-nodes' clusters, might be likely worth to check. > > It has some advantages over clvmd/dlm and on the other hand some > features are missing (i.e. remove node activation). > > But from the context you've show - it seems like it might be a good > fit to start playing with.. See here for more information: http://man7.org/linux/man-pages/man8/lvmlockd.8.html _______________________________________________ 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/
