Re: [zfs-discuss] NearLine SAS?

2010-01-19 Thread Tim Cook
On Tue, Jan 19, 2010 at 4:17 AM, Andrew Gabriel andrew.gabr...@sun.comwrote: Actually, this sounds like really good news for ZFS. ZFS (or rather, Solaris) can make good use of the multi-pathing capability, only previously available on high speed drives. Of course, ZFS can make use of any

Re: [zfs-discuss] NearLine SAS?

2010-01-19 Thread A. Krijgsman
@opensolaris.org Sent: Tuesday, January 19, 2010 8:06 AM Subject: Re: [zfs-discuss] NearLine SAS? Tim Cook wrote: On Tue, Jan 19, 2010 at 12:16 AM, Erik Trimble erik.trim...@sun.com mailto:erik.trim...@sun.com wrote: A poster in another forum mentioned that Seagate (and Hitachi, amongst

Re: [zfs-discuss] NearLine SAS?

2010-01-19 Thread Errol Neal
On Tue, Jan 19, 2010 01:02 PM, A. Krijgsman a.krijgs...@draftsman.nl wrote: I was today reasearching this same phenomenon. The multipath is required for HA storage solutions with redundant i/o path backplanes and redundant controllers. ( If a controller fails, the other one can still access

Re: [zfs-discuss] NearLine SAS?

2010-01-19 Thread Errol Neal
On Tue, Jan 19, 2010 01:36 PM, A. Krijgsman a.krijgs...@draftsman.nl wrote: Yes, those i meant! (interposer cards, could get on that name!) The Dell's and HP's would al work in any enviroment? It's just plain converting between industry standards right? Or do people have a better

Re: [zfs-discuss] NearLine SAS?

2010-01-18 Thread Tim Cook
On Tue, Jan 19, 2010 at 12:16 AM, Erik Trimble erik.trim...@sun.com wrote: A poster in another forum mentioned that Seagate (and Hitachi, amongst others) is now selling something labeled as NearLine SAS storage (e.g. Seagate's NL35 series). Is it me, or does this look like nothing more than

Re: [zfs-discuss] NearLine SAS?

2010-01-18 Thread Erik Trimble
Tim Cook wrote: On Tue, Jan 19, 2010 at 12:16 AM, Erik Trimble erik.trim...@sun.com mailto:erik.trim...@sun.com wrote: A poster in another forum mentioned that Seagate (and Hitachi, amongst others) is now selling something labeled as NearLine SAS storage (e.g. Seagate's NL35

Re: [zfs-discuss] NearLine SAS?

2010-01-18 Thread Tim Cook
On Tue, Jan 19, 2010 at 1:06 AM, Erik Trimble erik.trim...@sun.com wrote: stupid question here: I understand the advantages of dual-porting a drive with a FC interface, but for SAS, exactly what are the advantages other than being able to read and write simultaneously (obviously, only from