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. the internals

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

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 is

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 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 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

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 shipping the

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

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 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