Re: [zfs-discuss] Homegrown Hybrid Storage

On Jun 8, 2010, at 12:46 PM, Miles Nordin wrote: >> "re" == Richard Elling writes: > >re> Please don't confuse Ethernet with IP. > > okay, but I'm not. seriously, if you'll look into it. [fine whine elided] I think we can agree that the perfect network has yet to be invented :-) Meanw

Re: [zfs-discuss] Homegrown Hybrid Storage

On Fri, 11 Jun 2010, Miles Nordin wrote: FCoE != iSCSI. FCoE was not being discussed in the part you're trying to contradict. If you read my entire post, I talk about FCoE at the end and say more or less ``I am talking about FCoE here only so you don't try to throw out my entire post by latchin

Re: [zfs-discuss] Homegrown Hybrid Storage

On Fri, Jun 11, 2010 at 03:30:26PM -0400, Miles Nordin wrote: > > "pk" == Pasi Kärkkäinen writes: > > >>> You're really confused, though I'm sure you're going to deny > >>> it. > > >> I don't think so. I think that it is time to reset and reboot > >> yourself on the technol

Re: [zfs-discuss] Homegrown Hybrid Storage

> "pk" == Pasi Kärkkäinen writes: >>> You're really confused, though I'm sure you're going to deny >>> it. >> I don't think so. I think that it is time to reset and reboot >> yourself on the technology curve. FC semantics have been >> ported onto ethernet. This is not

Re: [zfs-discuss] Homegrown Hybrid Storage

On Tue, Jun 08, 2010 at 08:33:40PM -0500, Bob Friesenhahn wrote: > On Tue, 8 Jun 2010, Miles Nordin wrote: > >>> "re" == Richard Elling writes: >> >>re> Please don't confuse Ethernet with IP. >> >> okay, but I'm not. seriously, if you'll look into it. >> >> Did you misread where I said FC

Re: [zfs-discuss] Homegrown Hybrid Storage

On 6/8/2010 6:33 PM, Bob Friesenhahn wrote: On Tue, 8 Jun 2010, Miles Nordin wrote: "re" == Richard Elling writes: re> Please don't confuse Ethernet with IP. okay, but I'm not. seriously, if you'll look into it. Did you misread where I said FC can exert back-pressure? I was contrastin

Re: [zfs-discuss] Homegrown Hybrid Storage

On Tue, 8 Jun 2010, Miles Nordin wrote: "re" == Richard Elling writes: re> Please don't confuse Ethernet with IP. okay, but I'm not. seriously, if you'll look into it. Did you misread where I said FC can exert back-pressure? I was contrasting with Ethernet. You're really confused, tho

Re: [zfs-discuss] Homegrown Hybrid Storage

> "re" == Richard Elling writes: re> Please don't confuse Ethernet with IP. okay, but I'm not. seriously, if you'll look into it. Did you misread where I said FC can exert back-pressure? I was contrasting with Ethernet. Ethernet output queues are either FIFO or RED, and are large com

Re: [zfs-discuss] Homegrown Hybrid Storage

On Jun 7, 2010, at 16:32, Richard Elling wrote: Please don't confuse Ethernet with IP. Ethernet has no routing and no back-off other than that required for the link. Not entirely accurate going forward. IEEE 802.1Qau defines an end-to- end congestion notification management system:

Re: [zfs-discuss] Homegrown Hybrid Storage

Everyone, thank you for the comments, you've given me lots of great info to research further. On Mon, Jun 7, 2010 at 15:57, Ross Walker wrote: > On Jun 7, 2010, at 2:10 AM, Erik Trimble wrote: > > Comments in-line. > > > On 6/6/2010 9:16 PM, Ken wrote: > > I'm looking at VMWare, ESXi 4, but I'l

Re: [zfs-discuss] Homegrown Hybrid Storage

On Jun 7, 2010, at 2:10 AM, Erik Trimble wrote: Comments in-line. On 6/6/2010 9:16 PM, Ken wrote: I'm looking at VMWare, ESXi 4, but I'll take any advice offered. On Sun, Jun 6, 2010 at 19:40, Erik Trimble wrote: On 6/6/2010 6:22 PM, Ken wrote: Hi, I'm looking to build a virtualiz

Re: [zfs-discuss] Homegrown Hybrid Storage

On Mon, 2010-06-07 at 13:32 -0700, Richard Elling wrote: > On Jun 7, 2010, at 11:06 AM, Miles Nordin wrote: > > > > the other difference is in the latest comstar which runs in > > sync-everything mode by default, AIUI. Or it does use that mode only > > when zvol-backed? Or something. > > It d

Re: [zfs-discuss] Homegrown Hybrid Storage

On Jun 7, 2010, at 11:06 AM, Miles Nordin wrote: > > the other difference is in the latest comstar which runs in > sync-everything mode by default, AIUI. Or it does use that mode only > when zvol-backed? Or something. It depends on your definition of "latest." The latest OpenSolaris release

Re: [zfs-discuss] Homegrown Hybrid Storage

On Mon, 7 Jun 2010, Miles Nordin wrote: FC has different QoS properties than Ethernet because of the buffer credit mechanism---it can exert back-pressure all the way through the fabric. same with IB, which is HOL-blocking. This is a big deal with storage, with its large blocks of bursty writes

Re: [zfs-discuss] Homegrown Hybrid Storage

> "et" == Erik Trimble writes: et> With NFS-hosted VM disks, do the same thing: create a single et> filesystem on the X4540 for each VM. previous posters pointed out there are unreasonable hard limits in vmware to the number of NFS mounts or iSCSI connections or something, so you wil

Re: [zfs-discuss] Homegrown Hybrid Storage

Which Virtual Machine technology are you going to use? VirtualBox VMWare Xen Solaris Zones Somethinge else... It will make a difference as to my recommendation (or, do you want me to recommend a VM type, too?) This is somehow off-topic @zfs-discuss, but still. After trying to fight a b

Re: [zfs-discuss] Homegrown Hybrid Storage

On Sun, Jun 06, 2010 at 09:16:56PM -0700, Ken wrote: >I'm looking at VMWare, ESXi 4, but I'll take any advice offered. ... >I'm looking to build a virtualized web hosting server environment accessing >files on a hybrid storage SAN. I was looking at using the Sun X-Fire x4540 >with

Re: [zfs-discuss] Homegrown Hybrid Storage

Comments in-line. On 6/6/2010 9:16 PM, Ken wrote: I'm looking at VMWare, ESXi 4, but I'll take any advice offered. On Sun, Jun 6, 2010 at 19:40, Erik Trimble > wrote: On 6/6/2010 6:22 PM, Ken wrote: Hi, I'm looking to build a virtualized web host

Re: [zfs-discuss] Homegrown Hybrid Storage

I'm looking at VMWare, ESXi 4, but I'll take any advice offered. On Sun, Jun 6, 2010 at 19:40, Erik Trimble wrote: > On 6/6/2010 6:22 PM, Ken wrote: > > Hi, > > I'm looking to build a virtualized web hosting server environment > accessing files on a hybrid storage SAN. I was looking at using

Re: [zfs-discuss] Homegrown Hybrid Storage

On 6/6/2010 6:22 PM, Ken wrote: Hi, I'm looking to build a virtualized web hosting server environment accessing files on a hybrid storage SAN. I was looking at using the Sun X-Fire x4540 with the following configuration: * 6 RAID-Z vdevs with one hot spare each (all 500GB 7200RPM SATA

[zfs-discuss] Homegrown Hybrid Storage

Hi, I'm looking to build a virtualized web hosting server environment accessing files on a hybrid storage SAN. I was looking at using the Sun X-Fire x4540 with the following configuration: - 6 RAID-Z vdevs with one hot spare each (all 500GB 7200RPM SATA drives) - 2 Intel X-25 32GB SSD's as