Re: [ovirt-users] Replicated Glusterfs on top of ZFS

No, I have one pool made of the one disk and ssd as a cache and log device. I have 3 Glusterfs bricks- separate 3 hosts:Volume type Replicate (Arbiter)= replica 2+1! That how much you can push into compute nodes(they have only 3 disk slots). On Fri, Mar 3, 2017 at 3:19 PM, Juan Pablo <pablo.localhost(a)gmail.com&gt; wrote: > ok, you have 3 pools, zclei22, logs and cache, thats wrong. you should > have 1 pool, with zlog+cache if you are looking for performance. > also, dont mix drives. > whats the performance issue you are facing? > > > regards, > > 2017-03-03 11:00 GMT-03:00 Arman Khalatyan <arm2arm(a)gmail.com&gt;: > >> This is CentOS 7.3 ZoL version 0.6.5.9-1 >> >> [root@clei22 ~]# lsscsi >> >> [2:0:0:0] disk ATA INTEL SSDSC2CW24 400i /dev/sda >> >> [3:0:0:0] disk ATA HGST HUS724040AL AA70 /dev/sdb >> >> [4:0:0:0] disk ATA WDC WD2002FYPS-0 1G01 /dev/sdc >> >> >> [root@clei22 ~]# pvs ;vgs;lvs >> >> PV VG Fmt >> Attr PSize PFree >> >> /dev/mapper/INTEL_SSDSC2CW240A3_CVCV306302RP240CGN vg_cache lvm2 >> a-- 223.57g 0 >> >> /dev/sdc2 centos_clei22 lvm2 >> a-- 1.82t 64.00m >> >> VG #PV #LV #SN Attr VSize VFree >> >> centos_clei22 1 3 0 wz--n- 1.82t 64.00m >> >> vg_cache 1 2 0 wz--n- 223.57g 0 >> >> LV VG Attr LSize Pool Origin Data% Meta% >> Move Log Cpy%Sync Convert >> >> home centos_clei22 -wi-ao---- 1.74t >> >> >> root centos_clei22 -wi-ao---- 50.00g >> >> >> swap centos_clei22 -wi-ao---- 31.44g >> >> >> lv_cache vg_cache -wi-ao---- 213.57g >> >> >> lv_slog vg_cache -wi-ao---- 10.00g >> >> >> [root@clei22 ~]# zpool status -v >> >> pool: zclei22 >> >> state: ONLINE >> >> scan: scrub repaired 0 in 0h0m with 0 errors on Tue Feb 28 14:16:07 >> 2017 >> >> config: >> >> >> NAME STATE READ WRITE CKSUM >> >> zclei22 ONLINE 0 0 0 >> >> HGST_HUS724040ALA640_PN2334PBJ4SV6T1 ONLINE 0 0 0 >> >> logs >> >> lv_slog ONLINE 0 0 0 >> >> cache >> >> lv_cache ONLINE 0 0 0 >> >> >> errors: No known data errors >> >> >> *ZFS config:* >> >> [root@clei22 ~]# zfs get all zclei22/01 >> >> NAME PROPERTY VALUE SOURCE >> >> zclei22/01 type filesystem - >> >> zclei22/01 creation Tue Feb 28 14:06 2017 - >> >> zclei22/01 used 389G - >> >> zclei22/01 available 3.13T - >> >> zclei22/01 referenced 389G - >> >> zclei22/01 compressratio 1.01x - >> >> zclei22/01 mounted yes - >> >> zclei22/01 quota none default >> >> zclei22/01 reservation none default >> >> zclei22/01 recordsize 128K local >> >> zclei22/01 mountpoint /zclei22/01 default >> >> zclei22/01 sharenfs off default >> >> zclei22/01 checksum on default >> >> zclei22/01 compression off local >> >> zclei22/01 atime on default >> >> zclei22/01 devices on default >> >> zclei22/01 exec on default >> >> zclei22/01 setuid on default >> >> zclei22/01 readonly off default >> >> zclei22/01 zoned off default >> >> zclei22/01 snapdir hidden default >> >> zclei22/01 aclinherit restricted default >> >> zclei22/01 canmount on default >> >> zclei22/01 xattr sa local >> >> zclei22/01 copies 1 default >> >> zclei22/01 version 5 - >> >> zclei22/01 utf8only off - >> >> zclei22/01 normalization none - >> >> zclei22/01 casesensitivity sensitive - >> >> zclei22/01 vscan off default >> >> zclei22/01 nbmand off default >> >> zclei22/01 sharesmb off default >> >> zclei22/01 refquota none default >> >> zclei22/01 refreservation none default >> >> zclei22/01 primarycache metadata local >> >> zclei22/01 secondarycache metadata local >> >> zclei22/01 usedbysnapshots 0 - >> >> zclei22/01 usedbydataset 389G - >> >> zclei22/01 usedbychildren 0 - >> >> zclei22/01 usedbyrefreservation 0 - >> >> zclei22/01 logbias latency default >> >> zclei22/01 dedup off default >> >> zclei22/01 mlslabel none default >> >> zclei22/01 sync disabled local >> >> zclei22/01 refcompressratio 1.01x - >> >> zclei22/01 written 389G - >> >> zclei22/01 logicalused 396G - >> >> zclei22/01 logicalreferenced 396G - >> >> zclei22/01 filesystem_limit none default >> >> zclei22/01 snapshot_limit none default >> >> zclei22/01 filesystem_count none default >> >> zclei22/01 snapshot_count none default >> >> zclei22/01 snapdev hidden default >> >> zclei22/01 acltype off default >> >> zclei22/01 context none default >> >> zclei22/01 fscontext none default >> >> zclei22/01 defcontext none default >> >> zclei22/01 rootcontext none default >> >> zclei22/01 relatime off default >> >> zclei22/01 redundant_metadata all default >> >> zclei22/01 overlay off default >> >> >> >> >> >> On Fri, Mar 3, 2017 at 2:52 PM, Juan Pablo <pablo.localhost(a)gmail.com&gt; >> wrote: >> >>> Which operating system version are you using for your zfs storage? >>> do: >>> zfs get all your-pool-name >>> use arc_summary.py from freenas git repo if you wish. >>> >>> >>> 2017-03-03 10:33 GMT-03:00 Arman Khalatyan <arm2arm(a)gmail.com&gt;: >>> >>>> Pool load: >>>> [root@clei21 ~]# zpool iostat -v 1 >>>> capacity operations >>>> bandwidth >>>> pool alloc free read write >>>> read write >>>> -------------------------------------- ----- ----- ----- ----- >>>> ----- ----- >>>> zclei21 10.1G 3.62T 0 112 >>>> 823 8.82M >>>> HGST_HUS724040ALA640_PN2334PBJ52XWT1 10.1G 3.62T 0 46 >>>> 626 4.40M >>>> logs - - - >>>> - - - >>>> lv_slog 225M 9.72G 0 66 >>>> 198 4.45M >>>> cache - - - >>>> - - - >>>> lv_cache 9.81G 204G 0 >>>> 46 56 4.13M >>>> -------------------------------------- ----- ----- ----- ----- >>>> ----- ----- >>>> >>>> capacity operations >>>> bandwidth >>>> pool alloc free read write >>>> read write >>>> -------------------------------------- ----- ----- ----- ----- >>>> ----- ----- >>>> zclei21 10.1G 3.62T 0 >>>> 191 0 12.8M >>>> HGST_HUS724040ALA640_PN2334PBJ52XWT1 10.1G 3.62T 0 >>>> 0 0 0 >>>> logs - - - >>>> - - - >>>> lv_slog 225M 9.72G 0 >>>> 191 0 12.8M >>>> cache - - - >>>> - - - >>>> lv_cache 9.83G 204G 0 >>>> 218 0 20.0M >>>> -------------------------------------- ----- ----- ----- ----- >>>> ----- ----- >>>> >>>> capacity operations >>>> bandwidth >>>> pool alloc free read write >>>> read write >>>> -------------------------------------- ----- ----- ----- ----- >>>> ----- ----- >>>> zclei21 10.1G 3.62T 0 >>>> 191 0 12.7M >>>> HGST_HUS724040ALA640_PN2334PBJ52XWT1 10.1G 3.62T 0 >>>> 0 0 0 >>>> logs - - - >>>> - - - >>>> lv_slog 225M 9.72G 0 >>>> 191 0 12.7M >>>> cache - - - >>>> - - - >>>> lv_cache 9.83G 204G 0 >>>> 72 0 7.68M >>>> -------------------------------------- ----- ----- ----- ----- >>>> ----- ----- >>>> >>>> >>>> On Fri, Mar 3, 2017 at 2:32 PM, Arman Khalatyan <arm2arm(a)gmail.com&gt; >>>> wrote: >>>> >>>>> Glusterfs now in healing mode: >>>>> Receiver: >>>>> [root@clei21 ~]# arcstat.py 1 >>>>> time read miss miss% dmis dm% pmis pm% mmis mm% >>>>> arcsz c >>>>> 13:24:49 0 0 0 0 0 0 0 0 0 4.6G >>>>> 31G >>>>> 13:24:50 154 80 51 80 51 0 0 80 51 4.6G >>>>> 31G >>>>> 13:24:51 179 62 34 62 34 0 0 62 42 4.6G >>>>> 31G >>>>> 13:24:52 148 68 45 68 45 0 0 68 45 4.6G >>>>> 31G >>>>> 13:24:53 140 64 45 64 45 0 0 64 45 4.6G >>>>> 31G >>>>> 13:24:54 124 48 38 48 38 0 0 48 38 4.6G >>>>> 31G >>>>> 13:24:55 157 80 50 80 50 0 0 80 50 4.7G >>>>> 31G >>>>> 13:24:56 202 68 33 68 33 0 0 68 41 4.7G >>>>> 31G >>>>> 13:24:57 127 54 42 54 42 0 0 54 42 4.7G >>>>> 31G >>>>> 13:24:58 126 50 39 50 39 0 0 50 39 4.7G >>>>> 31G >>>>> 13:24:59 116 40 34 40 34 0 0 40 34 4.7G >>>>> 31G >>>>> >>>>> >>>>> Sender >>>>> [root@clei22 ~]# arcstat.py 1 >>>>> time read miss miss% dmis dm% pmis pm% mmis mm% >>>>> arcsz c >>>>> 13:28:37 8 2 25 2 25 0 0 2 25 468M >>>>> 31G >>>>> 13:28:38 1.2K 727 62 727 62 0 0 525 54 469M >>>>> 31G >>>>> 13:28:39 815 508 62 508 62 0 0 376 55 469M >>>>> 31G >>>>> 13:28:40 994 624 62 624 62 0 0 450 54 469M >>>>> 31G >>>>> 13:28:41 783 456 58 456 58 0 0 338 50 470M >>>>> 31G >>>>> 13:28:42 916 541 59 541 59 0 0 390 50 470M >>>>> 31G >>>>> 13:28:43 768 437 56 437 57 0 0 313 48 471M >>>>> 31G >>>>> 13:28:44 877 534 60 534 60 0 0 393 53 470M >>>>> 31G >>>>> 13:28:45 957 630 65 630 65 0 0 450 57 470M >>>>> 31G >>>>> 13:28:46 819 479 58 479 58 0 0 357 51 471M >>>>> 31G >>>>> >>>>> >>>>> On Thu, Mar 2, 2017 at 7:18 PM, Juan Pablo <pablo.localhost(a)gmail.com >>>>> > wrote: >>>>> >>>>>> hey, >>>>>> what are you using for zfs? get an arc status and show please >>>>>> >>>>>> >>>>>> 2017-03-02 9:57 GMT-03:00 Arman Khalatyan <arm2arm(a)gmail.com&gt;: >>>>>> >>>>>>> no, >>>>>>> ZFS itself is not on top of lvm. only ssd was spitted by lvm for >>>>>>> slog(10G) and cache (the rest) >>>>>>> but in any-case the ssd does not help much on glusterfs/ovirt load >>>>>>> it has almost 100% cache misses....:( (terrible performance compare with >>>>>>> nfs) >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> On Thu, Mar 2, 2017 at 1:47 PM, FERNANDO FREDIANI < >>>>>>> fernando.frediani(a)upx.com&gt; wrote: >>>>>>> >>>>>>>> Am I understanding correctly, but you have Gluster on the top of >>>>>>>> ZFS which is on the top of LVM ? If so, why the usage of LVM was necessary >>>>>>>> ? I have ZFS with any need of LVM. >>>>>>>> >>>>>>>> Fernando >>>>>>>> >>>>>>>> On 02/03/2017 06:19, Arman Khalatyan wrote: >>>>>>>> >>>>>>>> Hi, >>>>>>>> I use 3 nodes with zfs and glusterfs. >>>>>>>> Are there any suggestions to optimize it? >>>>>>>> >>>>>>>> host zfs config 4TB-HDD+250GB-SSD: >>>>>>>> [root@clei22 ~]# zpool status >>>>>>>> pool: zclei22 >>>>>>>> state: ONLINE >>>>>>>> scan: scrub repaired 0 in 0h0m with 0 errors on Tue Feb 28 >>>>>>>> 14:16:07 2017 >>>>>>>> config: >>>>>>>> >>>>>>>> NAME STATE READ WRITE >>>>>>>> CKSUM >>>>>>>> zclei22 ONLINE 0 >>>>>>>> 0 0 >>>>>>>> HGST_HUS724040ALA640_PN2334PBJ4SV6T1 ONLINE 0 >>>>>>>> 0 0 >>>>>>>> logs >>>>>>>> lv_slog ONLINE 0 >>>>>>>> 0 0 >>>>>>>> cache >>>>>>>> lv_cache ONLINE 0 >>>>>>>> 0 0 >>>>>>>> >>>>>>>> errors: No known data errors >>>>>>>> >>>>>>>> Name: >>>>>>>> GluReplica >>>>>>>> Volume ID: >>>>>>>> ee686dfe-203a-4caa-a691-26353460cc48 >>>>>>>> Volume Type: >>>>>>>> Replicate (Arbiter) >>>>>>>> Replica Count: >>>>>>>> 2 + 1 >>>>>>>> Number of Bricks: >>>>>>>> 3 >>>>>>>> Transport Types: >>>>>>>> TCP, RDMA >>>>>>>> Maximum no of snapshots: >>>>>>>> 256 >>>>>>>> Capacity: >>>>>>>> 3.51 TiB total, 190.56 GiB used, 3.33 TiB free >>>>>>>> >>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> Users mailing listUsers@ovirt.orghttp://lists.ovirt.org/mailman/listinfo/users >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> Users mailing list >>>>>>>> Users(a)ovirt.org >>>>>>>> http://lists.ovirt.org/mailman/listinfo/users >>>>>>>> >>>>>>>> >>>>>>> >>>>>>> _______________________________________________ >>>>>>> Users mailing list >>>>>>> Users(a)ovirt.org >>>>>>> http://lists.ovirt.org/mailman/listinfo/users >>>>>>> >>>>>>> >>>>>> >>>>> >>>> >>> >> >