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

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&gt; >>>> 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 >>>>>> >>>>>> >>>>> >>>> >>> >> >