Thanks a lot for guidance, I wl kick the installation in 1-2 days. /Zee
On Wed, Jun 27, 2018 at 2:16 AM Cowe, Malcolm J <malcolm.j.c...@intel.com> wrote: > You can create pools and format the storage on a single node, provided > that the correct `--servicenode` parameters are applied to the format > command (i.e. the NIDs for each OSS in the HA pair). Then export half of > the ZFS pools from the first node and import them to the other node. > > > > There is some documentation that describes the process here: > > > > http://wiki.lustre.org/Category:Lustre_Systems_Administration > > > > This includes sections on HA with Pacemaker: > > > > http://wiki.lustre.org/Managing_Lustre_as_a_High_Availability_Service > > > http://wiki.lustre.org/Creating_a_Framework_for_High_Availability_with_Pacemaker > > > http://wiki.lustre.org/Lustre_Server_Fault_Isolation_with_Pacemaker_Node_Fencing > > > http://wiki.lustre.org/Creating_Pacemaker_Resources_for_Lustre_Storage_Services > > > > > > For OSD and OSS stuff: > > > > http://wiki.lustre.org/ZFS_OSD_Storage_Basics > > http://wiki.lustre.org/Introduction_to_Lustre_Object_Storage_Devices_(OSDs) > > http://wiki.lustre.org/Creating_Lustre_Object_Storage_Services_(OSS) > > > > There are also sections that cover the MGT and MDTs. > > > > Malcolm. > > > > > > *From: *lustre-discuss <lustre-discuss-boun...@lists.lustre.org> on > behalf of Zeeshan Ali Shah <javacli...@gmail.com> > *Date: *Wednesday, 27 June 2018 at 1:53 am > *To: *Lustre discussion <lustre-discuss@lists.lustre.org> > *Subject: *Re: [lustre-discuss] ZFS based OSTs need advice > > > > Our OST are based on supermicro SSG-J4000-LUSTRE-OST , it is a kind of > JBOD. > > > > all 360 Disks (90 disks x4 OST) appear in /dev/disk in both OSS1 and OSS2 > . > > > > My idea is to create zfspool of Raidz2 (9+2 spare) which means arround 36 > zfspools will be created . > > > > Q1) Out of 36 zfs pools shall i create all of 36 Pools in OSS1 ? in this > case those pools can only be imported in OSS1 not in OSS2 how to gain HA > /active/active here= > > Q2) 2nd option is to create 18 zfspools in OSS1 and 18 in OSS2 ? later > in mkfs.luster specify oss1 as primary and oss2 in secondary (execute it in > oss1) and 2nd time execute same command on oss2 and make oss2 primary and > oss1 secondary . > > > > does it make sense ? am i missing some thing > > > > Thanks a lot > > > > > > /Zee > > > > > > On Tue, Jun 26, 2018 at 5:38 PM, Dzmitryj Jakavuk <dzmit...@gmail.com> > wrote: > > Hello > > You can share 4 osts between pair of oss making 2 osts imported into one > oss and 2 osts into other oss. At the same time hdds need to be shared > between all oss. So in normal conditions 1 oss will import 2 ost and the > second oss will import Other 2 osts.in case of ha single oss can import > all 4osts > > Kind Regards > Dzmitryj Jakavuk > > > > On Jun 26, 2018, at 16:02, Zeeshan Ali Shah <javacli...@gmail.com> > wrote: > > > > We have 2 OSS with 4 OST shared . Each OST has 90 Disk so total 360 > Disks . > > > > I am in phase of installing 2OSS as active/active but as zfs pools can > only be imported in single OSS host in this case how to achieve > active/active HA ? > > As what i read is that for active/active both HA hosts should have > access to a same sets of disks/volumes. > > > > any advice ? > > > > > > /Zeeshan > > > > > > > > > _______________________________________________ > > lustre-discuss mailing list > > lustre-discuss@lists.lustre.org > > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org > > >
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