3:32 p.m.
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>:
> 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> 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
>>
>>
>> _______________________________________________
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>>
>>
>>
>> _______________________________________________
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>>
>>
>
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