Re: Two node storage failover with lvm and ISCSI

2011-02-24 Thread Denny Schierz
hi, Am Montag, den 21.02.2011, 17:16 -0600 schrieb Stan Hoeppner: > I'm guessing your setup is different than this or you wouldn't be > askig > about RAID. Could you please describe your storage back end? 4 x LSI 630J Storage with 12 x SAS HDD connected to a SAS Switch. From the SAS switch one

Re: Two node storage failover with lvm and ISCSI

2011-02-21 Thread Stan Hoeppner
Denny Schierz put forth on 2/21/2011 4:20 AM: > hi Stan, > > Am Sonntag, den 20.02.2011, 20:13 -0600 schrieb Stan Hoeppner: >> It's not clear to me at this point if you need real time >> file/filesystem sharing or simply manual fail over from a dead host to >> a backup server. > > than it's my fa

Re: Two node storage failover with lvm and ISCSI

2011-02-21 Thread Denny Schierz
hi Stan, Am Sonntag, den 20.02.2011, 20:13 -0600 schrieb Stan Hoeppner: > It's not clear to me at this point if you need real time > file/filesystem sharing or simply manual fail over from a dead host to > a backup server. than it's my fault :-) I want failover (the second in your words). If nod

Re: Two node storage failover with lvm and ISCSI

2011-02-20 Thread Stan Hoeppner
Denny Schierz put forth on 2/20/2011 11:56 AM: > hi, > > Am Freitag, den 18.02.2011, 20:37 +0800 schrieb Justin Jereza: > >> I'd consider running clvm + gfs2 instead. That way, both nodes can >> stay up and connected to the same filesystem at the same time. The >> only decision left would be whic

Re: Two node storage failover with lvm and ISCSI

2011-02-20 Thread Denny Schierz
hi, Am Freitag, den 18.02.2011, 20:37 +0800 schrieb Justin Jereza: > I'd consider running clvm + gfs2 instead. That way, both nodes can > stay up and connected to the same filesystem at the same time. The > only decision left would be which node to use. OTOH, you can have an > HA configuration as

Re: Two node storage failover with lvm and ISCSI

2011-02-18 Thread Stan Hoeppner
Justin Jereza put forth on 2/18/2011 6:37 AM: >> we have two nodes connected to one big SAS storage (LSI 630j Jbod) with >> SAS HBAs and they can see all disks at same time. >> Now we want build a failover construct for lvm with ISCSI: >> >> LSI Jbod -> node* | raid | lvm | ISCSI -> Global IP ->> C

Re: Two node storage failover with lvm and ISCSI

2011-02-18 Thread Justin Jereza
> we have two nodes connected to one big SAS storage (LSI 630j Jbod) with > SAS HBAs and they can see all disks at same time. > Now we want build a failover construct for lvm with ISCSI: > > LSI Jbod -> node* | raid | lvm | ISCSI -> Global IP ->> Client > > If the primary node fails, start raid on

Two node storage failover with lvm and ISCSI

2011-02-18 Thread Denny Schierz
hi, we have two nodes connected to one big SAS storage (LSI 630j Jbod) with SAS HBAs and they can see all disks at same time. Now we want build a failover construct for lvm with ISCSI: LSI Jbod -> node* | raid | lvm | ISCSI -> Global IP ->> Client If the primary node fails, start raid on node tw