Hi Wolfgang
Thank you for your response .
Everything is VLAN-separated ... all three multipath links have its own
subnets and the link between zfs local storages uses its own
VLAN-separated link (actually vmbr1 -> intranet link )
Any ideas ? :)
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On 07/07/2017 12:00, [email protected] wrote:
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Today's Topics:
1. prox storage replication <> iscsi multipath problem
(Tonči Stipičević)
2. Re: prox storage replication <> iscsi multipath problem
(Wolfgang Link)
3. corosync unicast : does somebody use it in production with
10-16 nodes ? (Alexandre DERUMIER)
4. Re: [pve-devel] corosync unicast : does somebody use it in
production with 10-16 nodes ? (Alexandre DERUMIER)
----------------------------------------------------------------------
Message: 1
Date: Fri, 7 Jul 2017 07:35:42 +0200
From: Tonči Stipičević <[email protected]>
To: [email protected]
Subject: [PVE-User] prox storage replication <> iscsi multipath
problem
Message-ID: <[email protected]>
Content-Type: text/plain; charset=utf-8; format=flowed
Hi to all,
I'm testing pvesr and it works correct so far and is big step ahead
regarding migration/replication w/o shared storage. Actually that is
something I was really waiting for , because it is easier to find
neighborhood with two (only) server than two servers with shared
storage. This is the way that one host can really back the other one up
(since sync frequency is fine-tunable)
But I do have problem with some kind of collisions. My test lab has
3 hosts and one freenas shared storage. The connection in between is
iscsi-target-multipath , so each node (incl freenas as shared storage ->
lvm) has 3 nics . In order to test and play with pvesr I created zfspool
on each host using local hard drive (1 drive -> one zfs volume ... no
redundancy etc) and storage replication was working fine . But after a
while iscsi-multipath connections are still on but my shared lvm iscsi
freenas storage disappears . The only way I was able to got it back was
deleting all pvesr jobs and destroying zfs pools on each node.
I repeated this scenario more time times but the result was the same
I'm aware that this scenario ( shared storage and storage replication )
is not kind a usual (but it should be possible) but I'm still wondering
why this pvesr killed my freenas-iscsi target ?
Thank you in advance
Best regards
Tonci
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