[OmniOS-discuss] OmniOS based redundant NFS

[sergey ivanov]

Thanks, Artem, it is a very good list of suitable hardware!
I have a question about ZIL.
I read that SSD for it should be about 8G. I did not see more than one
gigabyte allocated for ZIL on our servers. Can you comment it?
-- 
  Sergey.

Regards,
Sergey Ivanov


On Thu, Sep 28, 2017 at 3:25 AM, Artem Penner <apenner.it at gmail.com> wrote:
> Hi, Sergey.
> My be following information will be useful for you.
> We use solaris as HA NAS in following configuration:
>
> DATA_DISKS: HUC101818CS4204 / HUH728080AL5204
> SLOG: PX04SHB020 / PX05SMB040 / HUSMH8020BSS204  (PX04SHB020 has best
> performance
> https://dhelios.blogspot.ru/2016/11/ssd-hgst-husmh8020bss204_11.html)
> L2ARC: HUSMH8080BSS204 / PX05SMB080
>
> Servers:
> 2 x Cisco UCS 240M4 ( 2 x E5-2697A, 768gb ram, 3 local hard disk for OS, 2 x
> UCSC-SAS9300-8E, 2 x Intel X520 Dual Port 10Gb SFP+ Adapter)
>
> JBODS:
> 216BE2C-R741JBOD - for SFF disks
> SC847E2C-R1K28JBOD - for LFF disks
>
> We have two HA variant:
> 1) Solaris 11.3 + Solaris Cluster 4.3 (for VMware)
> 2) OmniOS + RSF-1  (as Cinder for Openstack)
>
> If you need some additional info, I'll be glad to share any information that
> I have.
>
> ср, 27 сент. 2017 г. в 22:39, sergey ivanov <sergey57 at gmail.com>:
>>
>> Hi,
>> as end-of-life of r151014 approaches, we are planning upgrade for our
>> NFS servers.
>> I'm thinking about 2 servers providing ISCSI targets, and 2 another
>> OmniOS servers using these ISCSI block devices in mirrored ZPOOL
>> setup. IP address for NFS service can be a floating IP between those 2
>> servers.
>> I have the following questions:
>> 1. Are there any advantages to have separate ISCSI target servers and
>> NFS servers or I should better combine one ISCSI target and NFS
>> server on each of 2 hosts?
>> 2. I do not want snapshots, checksums, and other ZFS features for
>> block devices at the level where they are exported as ISCSI targets, -
>> I would prefer these features at the level where these block devices
>> are combined into mirror Zpools. Maybe it's better to have these ISCSI
>> target servers running some not so advanced OS and have 2 Linux boxes?
>> 3. But if I have SSD for intent log and for cache, - maybe they can
>> improve performance for ZVOLs used as block devices for ISCSI targets?
>>
>> Does anybody have experience setting up such redundant NFS servers?
>> --
>> Regards,
>> Sergey Ivanov
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