[zfs-discuss] Centos Server Cluster with ZFS Disk Arrays

H agents at meddatainc.com
Wed Dec 31 08:29:39 EST 2014


On December 31, 2014 3:50:51 AM EST, Gordan Bobic <gordan.bobic at gmail.com> wrote:
>On 12/31/2014 04:00 AM, H wrote:
>> I am configuring a server cluster with two fiberchannel disk arrays,
>> each consisting of 14 harddisks. The operating system will be Centos
>6.6
>> and I plan to use ZFS for the data partitions.
>>
>> I have some experience with Centos on simpler systems but no
>experience
>> with ZFS and could use the group's expertise in planning the
>> configuration. Ideally I would like for the data to be encrypted.
>>
>> Here is my plan:
>> - Use LVM to span 12 of the 14 harddisks in each array allowing for
>two
>> hotspares. This will allow me to run only one of the arrays should I
>> want to. I believe the system has RAID.
>> - Total of two data partitions of which one or two can be mounted as
>needed.
>> - Format each partition with ZFS.
>> - Not sure if/how I can encrypt the data. Ideally I'd like to encrypt
>> the entire filesystem.
>
>You should NOT be using LVM and RAID as ZFS replaces both of those 
>components and by using them you will lose a lot of advantages of ZFS. 
>Use ZFS directly on the disks, without interference from the RAID card.
>
>Gordan
>
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Thank you. How about encrypting the file system, is this possible?

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