my 2c
1 just do mirror of 2 dev with 20 hdd with 1 spare
2 raidz2 with 5 dev for 20 hdd, with one spare
Sent from my iPad
On Feb 1, 2012, at 3:49, Thomas Nau wrote:
> Hi
>
> On 01/31/2012 10:05 PM, "Hung-Sheng Tsao (Lao Tsao 老曹) Ph.D." wrote:
>> what is your main application for ZFS? e.g
Hi
On 01/31/2012 10:05 PM, "Hung-Sheng Tsao (Lao Tsao 老曹) Ph.D." wrote:
> what is your main application for ZFS? e.g. just NFS or iSCSI for home dir
> or VM? or Window client?
Yes, fileservice only using CIFS, NFS, Samba and maybe iSCSI
> Is performance important? or space is more important?
Bob,
On 01/31/2012 09:54 PM, Bob Friesenhahn wrote:
> On Tue, 31 Jan 2012, Thomas Nau wrote:
>
>> Dear all
>> We have two JBODs with 20 or 21 drives available per JBOD hooked up
>> to a server. We are considering the following setups:
>>
>> RAIDZ2 made of 4 drives
>> RAIDZ2 made of 6 drives
>>
>
what is your main application for ZFS? e.g. just NFS or iSCSI for home
dir or VM? or Window client?
Is performance important? or space is more important?
what is the memory of your server?
do you want to use ZIL or L2ARC?
what is your backup or DR plan?
You need to answer all these question fir
On Tue, 31 Jan 2012, Thomas Nau wrote:
Dear all
We have two JBODs with 20 or 21 drives available per JBOD hooked up
to a server. We are considering the following setups:
RAIDZ2 made of 4 drives
RAIDZ2 made of 6 drives
The first option "wastes" more disk space but can survive a JBOD failure
whe
Dear all
We have two JBODs with 20 or 21 drives available per JBOD hooked up
to a server. We are considering the following setups:
RAIDZ2 made of 4 drives
RAIDZ2 made of 6 drives
The first option "wastes" more disk space but can survive a JBOD failure
whereas the second is more space effective bu