Re: [PERFORM] Anyone familiar with Apple Xserve RAID

2004-08-27 Thread Vivek Khera
> "JB" == Josh Berkus <[EMAIL PROTECTED]> writes: JB> Guys, >> the XServe/XRaid comes with FibreChannel JB> I stand corrected. That should help things some; it makes it more JB> of a small tradeoff between performance and storage size for the JB> drives. it is fibre channel to the host. t

Re: [PERFORM] Anyone familiar with Apple Xserve RAID

2004-08-26 Thread Andrew Rawnsley
On Aug 26, 2004, at 3:54 PM, Doug McNaught wrote: Kevin Barnard <[EMAIL PROTECTED]> writes: Actually you are both are right and wrong. The XRaid uses FibreChannel to communicate to the host machine(s). The Raid controller is a FibreChannel controller. After that there is a FibreChann

Re: [PERFORM] Anyone familiar with Apple Xserve RAID

2004-08-26 Thread Alan Stange
Doug McNaught wrote: Kevin Barnard <[EMAIL PROTECTED]> writes: Actually you are both are right and wrong. The XRaid uses FibreChannel to communicate to the host machine(s). The Raid controller is a FibreChannel controller. After that there is a FibreChannel to UltraATA conversion for

Re: [PERFORM] Anyone familiar with Apple Xserve RAID

2004-08-26 Thread Doug McNaught
Kevin Barnard <[EMAIL PROTECTED]> writes: >Actually you are both are right and wrong. The XRaid uses >FibreChannel to communicate to the host machine(s). The Raid >controller is a FibreChannel controller. After that there is a >FibreChannel to UltraATA conversion for each drive,

Re: [PERFORM] Anyone familiar with Apple Xserve RAID

2004-08-26 Thread Kevin Barnard
Actually you are both are right and wrong.  The XRaid uses FibreChannel to communicate to the host machine(s).  The Raid controller is a FibreChannel controller.  After that there is a FibreChannel to UltraATA conversion for each drive, separate ATA bus for each drive. What I am curious about

Re: [PERFORM] Anyone familiar with Apple Xserve RAID

2004-08-26 Thread Andrew Rawnsley
Oops. My bad. They must really want to sell those things if they're making them completely platform independent... On Aug 26, 2004, at 11:13 AM, Tore Halset wrote: On Aug 26, 2004, at 14:07, Andrew Rawnsley wrote: The unit itself is built very well, and the admin tools are very good (OS X only,

Re: [PERFORM] Anyone familiar with Apple Xserve RAID

2004-08-26 Thread Tore Halset
On Aug 26, 2004, at 14:07, Andrew Rawnsley wrote: The unit itself is built very well, and the admin tools are very good (OS X only, though). It and the The admin tools are supposed to work cross platform. From Apples website: "This Java-based application provides an intuitive interface for creat

Re: [PERFORM] Anyone familiar with Apple Xserve RAID

2004-08-26 Thread Andrew Rawnsley
Just starting to work with one now, so I'll let people know what I find. There has been some talk that the XServe RAID seems more optimized for streaming applications rather than heavy random-access type applications, which really wouldn't surprise me given where they probably expect to sell mos

Re: [PERFORM] Anyone familiar with Apple Xserve RAID

2004-08-25 Thread Ralf Schramm
the XServe/XRaid comes with FibreChannel Here some infos: http://www.apple.com/xserve/raid/architecture.html http://www.apple.com/xserve/raid/fibre_channel.html http://www.apple.com/xserve/architecture.html Ralf Schramm Am 25.08.2004 um 23:22 schrieb Josh Berkus: Robert, Just curious if folks have

Re: [PERFORM] Anyone familiar with Apple Xserve RAID

2004-08-25 Thread Ralf Schramm
we checked a XServe/XRaid system some months ago and especially the relation price/space/performance was OK compared to a HP/Intel maschine. Tomorrow I'll try to find the performance charts on my harddisc and post the links to the list. You get a huge amount of raid-space for a good price. We plan

Re: [PERFORM] Anyone familiar with Apple Xserve RAID

2004-08-25 Thread Josh Berkus
Guys, > the XServe/XRaid comes with FibreChannel I stand corrected. That should help things some; it makes it more of a small tradeoff between performance and storage size for the drives. -- Josh Berkus Aglio Database Solutions San Francisco ---(end of broadcast)

Re: [PERFORM] Anyone familiar with Apple Xserve RAID

2004-08-25 Thread Doug McNaught
Josh Berkus <[EMAIL PROTECTED]> writes: > Robert, > >> Just curious if folks have ever used this for a postgresql server and if >> they used it with OSX/BSD/Linux. Even if you haven't used it, if you >> know of something comparable I'd be interested. TIA > \> Last I checked Apple was still shippi

Re: [PERFORM] Anyone familiar with Apple Xserve RAID

2004-08-25 Thread Josh Berkus
Robert, > Just curious if folks have ever used this for a postgresql server and if > they used it with OSX/BSD/Linux. Even if you haven't used it, if you > know of something comparable I'd be interested. TIA Last I checked Apple was still shipping the XServes with SATA drives and a PROMISE cont