Hello Bane,
[EMAIL PROTECTED] wrote:
Hi,
I am testinng the iSCSI functionality in the Openfiler 2.0 Beta 1. I
have two Red Hat linux machines (linux4 and linux5), clustered and
runing Oracle 10g with RAC option. At the moment I am using 250GB
Maxtor II as a shared (cluster) storage, connected via firewire, and I
would like to replace that with iSCSI based storage.
My Openfiler server (linux3) is up and running and I have setup 10
iSCSI targets, that my servers see as 10 iSCSI disks. I am able to
use those disks as a shared storage for Oracle datafiles and it all
works like a charm.
My questions are:
1. How do I set up Openfiler, so that only those two machines (linux4
and linux5) can see those iSCSI targets? At the moment, anyone on the
network, that knows my Openfiler host name (linux3), can use (and
destroy the content of) my iSCSI disks.
At the moment you'll have to edit initiator.allow manually. Beta 2 will
have support for network ACLs via the main ACLs framework.
2. How do I publish new iSCSI targets, without restarting iscsi-target
service on the Openfiler server? I discovered, this can be achieved
by disabling, and then enabling the iSCSI service via the Openfiler
Storage Control Center,
As far as I'm aware, this is a limitation of the IET code. We'll support
transparent addition/removal of targets when they do.
but that effectively ineterrupts the service to all Openfiler
iSCSIclients.
The interruption to clients is no big deal - they should be able to
recover as soon as the service is back up. The iSCSI specification has
taken this very problem into account as IP networks are generally less
resilient (in a storage networking context) than say a dedicated SCSI
bus or FC link.
Cheerio,
Rafiu
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