similar to: Multipath and iSCSI Targets

I'm trying to test out an Equallogic PS5500 with a server running CentOS 4.7 I can create a volume and mount it fine using the standard iscsi-initiator-utils tools. The Equallogic box has 3 Gigabit interfaces and I would like to try to set up things so I can read/write from/to the volume using multiple NICs on the server i.e. get 200+ Mbyte/s access to the volume - I've had some

I''m trying to set up a iscsi connection (with MPXIO) between my Vista64 workstation and a ZFS storage machine running OpenSolaris 10 (forget the exact version). On the ZFS machines, I have two NICS. NIC #1 is 192.168.1.102, and NIC #2 is 192.168.2.102. The NICs are connected to two separate switches serving two separate IP spaces. On my Vista64 machine, I also have two NICs connected in

Greetings, I've hit this exact 'bug': https://bugzilla.redhat.com/show_bug.cgi?id=491311 I need to remove the mappings manually. I assume this is done via 'multipath -F' followed by a 'multipath -v2' ? Has anyone experienced doing this on a production system? We can do it during hours of low activity, but we would prefer to keep the databases on this host online at

Hi, I do have one iscsi storage with 4 GBit nics of which currently only one is configured with an ip and which is in productive use by one cent os 6.3 server. Doing some research brought me to the idea to use some nic bonding or multipathing for that storage, but multipathing I did about four or five years ago only once :) Furthormore I can't find the ultimate answer (may be there is not

I have several CentOS 6 boxes that mount iscsi based luns and use mpath. They all had problems shutting down as a result of unused maps not getting flushed as the system halted. After examining the init scripts, netfs, iscsi and multipathd all had the correct order but mpath failed to flush these maps and the system waited indefinitely. In the meantime I hacked this by adding a `/sbin/multipath

Hey everyone, Is anybody aware of a /true/ active/active multi-head and multi-target clustered iSCSI daemon? IE: Server 1: Hostname: host1.test.com IP Address: 10.0.0.1 Server 2: Hostname: host2.test.com IP Address: 10.0.0.2 Then they would utilize a CLVM disk between them, let's call that VG "disk" and then directly map each LUN (1,2,3,4,etc) to LV's named 1,2,3,4,... and

Hello, I'm looking for test users for new iSCSI target software designed for multipath failover cluster nodes. I'm very interested in the virtual machine such as Hyper-V. So I'm also tuning the target for using VMs. I need an environmental report in particular other than FreeBSD 7.1 RELEASE p3 i386/PAE kernel w/ZFS. I welcome the report with other initiators below. If you are

Hello, We need to use iSCSI in some of our domUs. By the moment, iSCSI is not for system filesystem, but for data filesystem. I am wondering what is the best way to use it. Is it better to configure it in dom0 and then attach the device to the domU? Or is it better to configure it directly in the domU? I am thinking that if we configure it in the dom0, then we can''t share that iscsi

We''re currently designing a ZFS fileserver environment with iSCSI based storage (for failover, cost, ease of expansion, and so on). As part of this we would like to use multipathing for extra reliability, and I am not sure how we want to configure it. Our iSCSI backend only supports multiple sessions per target, not multiple connections per session (and my understanding is that the

Greetings, On 1/22/11, Edward Morbius <dredmorbius at gmail.com> wrote: > CentOS is not a Dell-supported configuration, and we've had little helpful > advice from Dell. There's been some amount of FUD in that Dell don't seem > to know what Dell's own software installation (the md3 > > Dell doesn't seem to have much OS experience generally. > +1 It is

We've been wrestling with this for ... rather longer than I'd care to admit. Host / initiator systems are a number of real and virtualized CentOS 5.5 boxes. Storage arrays / targets are Dell MD3220i storage arrays. CentOS is not a Dell-supported configuration, and we've had little helpful advice from Dell. There's been some amount of FUD in that Dell don't seem to know what

Hello all, I got some severe iscsi connection loss on my dom0 (Gentoo 2.6.20-xen-r6, xen 3.1.1). Happening several times a day. open-iscsi version is 2.0.865.12. Target iscsi is the open-e DSS product. Here is a snip of my messages log file: May 5 16:52:50 ying connection226:0: iscsi: detected conn error (1011) May 5 16:52:51 ying iscsid: connect failed (111) May 5 16:52:51 ying iscsid:

To extend space on our 64-bit centos FTP servers, we are considering setting them up to work with an existing PromiseRAID system via iscsi. -just curious if anyone here knows if iScsi is fast enough to serve up all the images? -might it be something where we get dedicated cards and put the iScsi traffic on its own Vlan? Just curious if this would hold up under alot of traffic, like weather

Hey folks, I had some general questions and when reading through the list archives I came across an iSCSI discussion back in February where a couple of individuals were going back and forth about drafting up a "best practices" doc and putting it into a wiki. Did that ever happen? And if so, where is it? Now my questions : We are not using iSCIS yet at work but I see a few places

Hi Bootmeisters, I am using gpxelinux.0 + sanboot.c32 to boot a diskless machine into Linux. I would like to use device-mapper-multipath to provide fault tolerant access to its root disk. Although I am able to do this by hardcoding the additional paths in the initrd, it would be better if the bootloader could pass the information in the iBFT (iSCSI Boot Firmware Table). However, at the

Hi all, I have a Dell server running cent 5.6, new install, connecting to an IBM DS3500. I have configured iscsi connections using iscsid and can log into the targets on the IBM. I can also mount the LUNs when accessing them from their active controller path. When I throw multipath into the mix, it fails completely. Multipath is working, when I run multipath -ll it shows me the correct active

Hi all, some results from my configuration. I''ve this configuration (I''m not interested in raw top performances but in reliability.. so, I can accept slow MB/sec and prefer to rely on a RAID6, for example): 1 Infortrend iSCSI Array A16E-G2130-4 with: - 1GB DDR cache - RAID6 - 7 x 500GB sataII Seagate ST3500630NS with 16mb (no budget for SAS) - one of the logic volumes (about

Hi, may be there are some best practice suggestions for the "best mode" for channel bonding interface? Or in other words, when should/would I use which mode? E.g. I do have some fileservers connected to the users lan and to some ISCSI Storages. Or some Webservers only connected to the LAN. The switches are all new cisco models. I've read sone docs (1), (2) and (3) so the theory

Are folks in the Centos community succesfully using device-mapper-multipath? I am looking to deploy it for error handling on our iSCSI setup but there seems to be little traffic about this package on the Centos forums, as far as I can tell, and there seems to be a number of small issues based on my reading the dm-multipath developer lists and related resources. -geoff Geoff Galitz Blankenheim

Hi Experts, How can I get info for my disks on multipath disks? I mean, usually I use 'iostat' for internal disks, however I need to know status of my multipathig devices, cause I'm monitoring stress test for my application.. Thank you for your responses. Regards, -------------- next part -------------- An HTML attachment was scrubbed... URL: