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@gmail.com> wrote:use arc_summary.py from freenas git repo if you wish.zfs get all your-pool-nameWhich operating system version are you using for your zfs storage?do:2017-03-03 10:33 GMT-03:00 Arman Khalatyan <arm2arm@gmail.com>:Pool load:
[root@clei21 ~]# zpool iostat -v 1
capacity operations bandwidth
poolalloc free read write read write
-------------------------------------- ----- ----- ----- ----- ----- -----
zclei2110.1G 3.62T 0 112 823 8.82M
HGST_HUS724040ALA640_PN2334PBJ52XWT1 10.1G 3.62T 0 46 626 4.40M
logs- - - - - -
lv_slog225M 9.72G 0 66 198 4.45M
cache- - - - - -
lv_cache9.81G 204G 0 46 56 4.13M
-------------------------------------- ----- ----- ----- ----- ----- -----
capacity operations bandwidth
poolalloc free read write read write
-------------------------------------- ----- ----- ----- ----- ----- -----
zclei2110.1G 3.62T 0 191 0 12.8M
HGST_HUS724040ALA640_PN2334PBJ52XWT1 10.1G 3.62T 0 0 0 0
logs- - - - - -
lv_slog225M 9.72G 0 191 0 12.8M
cache- - - - - -
lv_cache9.83G 204G 0 218 0 20.0M
-------------------------------------- ----- ----- ----- ----- ----- -----
capacity operations bandwidth
poolalloc free read write read write
-------------------------------------- ----- ----- ----- ----- ----- -----
zclei2110.1G 3.62T 0 191 0 12.7M
HGST_HUS724040ALA640_PN2334PBJ52XWT1 10.1G 3.62T 0 0 0 0
logs- - - - - -
lv_slog225M 9.72G 0 191 0 12.7M
cache- - - - - -
lv_cache9.83G 204G 0 72 0 7.68M
-------------------------------------- ----- ----- ----- ----- ----- ----- On Fri, Mar 3, 2017 at 2:32 PM, Arman Khalatyan <arm2arm@gmail.com> 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 31GOn Thu, Mar 2, 2017 at 7:18 PM, Juan Pablo <pablo.localhost@gmail.com> wrote:hey,
what are you using for zfs? get an arc status and show please2017-03-02 9:57 GMT-03:00 Arman Khalatyan <arm2arm@gmail.com>: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@upx.com> 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:
Are there any suggestions to optimize it?Hi,I use 3 nodes with zfs and glusterfs.
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:
NAMESTATE READ WRITE CKSUM
zclei22ONLINE 0 0 0
HGST_HUS724040ALA640_PN2334PBJ4SV6T1 ONLINE 0 0 0
logs
lv_slogONLINE 0 0 0
cache
lv_cacheONLINE 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
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