[CentOS] CentOS MD RAID 1 on Openfiler iSCSI

Tue Jun 29 05:58:25 UTC 2010
Les Mikesell <lesmikesell at gmail.com>

Christopher Chan wrote:
> On Tuesday, June 29, 2010 10:53 AM, Emmanuel Noobadmin wrote:
>> On 6/29/10, Les Mikesell<lesmikesell at gmail.com>  wrote:
>>> If you are looking at openfiler, you might also want to consider
>>> nexentastor.  Their community edition is free for up to 12TB of storage.
>>>    It's an OpenSolaris/ZFS based system with web management, able to
>>> export cifs/nfs/ftp/sftp/iscsi with support for snapshots,
>>> deduplication, compression, etc.  I haven't used it beyond installing in
>>> a VM and going through some options, but it looks more capable than
>>> anything else I've seen for free.
>> Thanks for the info, it looks quite interesting and seems like a
>> simpler option given the claim of easy setup wizard doing things in 15
>> minutes.
>> The only problem is their HA is commercial only and costs more than
>> the entire hardware budget I've got for this. Crucially, it relies on
>> a failover/heartbeat kind of arrangement. According to some sources,
>> the failover delay of a few seconds will cause certain services/apps
>> to fail/lock up. Not an issue for the immediate need but will be a
>> major no no for the other project I have in the pipeline.
> So install Nexenta CP2/CP3 then. That's completely free and ZFS has its 
> own web interface...

Or 2 nexentastor (free community version) instances not configured for HA and do 
what you planned with MD raid with their iscsi targets.

   Les Mikesell
     lesmikesell at gmail.com