3-4MB/s vinum performance with two Promise PDC20268 UDMA100 controllers

2004-01-15 Thread Bjorn Eikeland
Hi I had four 160G IDE drives in raid5 on a single controller and it worked just fine, never benchmarked it since it was faster than the network anyway. But when adding a second controller card and two more drives the new array has a terrible write performance. I've tried various stripe and bl

Re: 3-4MB/s vinum performance with two Promise PDC20268 UDMA100 controllers

2004-01-15 Thread jason
Bjorn Eikeland wrote: Hi I had four 160G IDE drives in raid5 on a single controller and it worked just fine, never benchmarked it since it was faster than the network anyway. But when adding a second controller card and two more drives the new array has a terrible write performance. I've trie

Re: 3-4MB/s vinum performance with two Promise PDC20268 UDMA100 controllers

2004-01-15 Thread Greg 'groggy' Lehey
On Thursday, 15 January 2004 at 10:44:20 +0100, Bjorn Eikeland wrote: > Hi > > I had four 160G IDE drives in raid5 on a single controller and it worked > just fine, never benchmarked it since it was faster than the network > anyway. But when adding a second controller card and two more drives the >

Re: 3-4MB/s vinum performance with two Promise PDC20268 UDMA100 controllers

2004-01-15 Thread Bjorn Eikeland
På Thu, 15 Jan 2004 09:43:01 -0200, skrev jason <[EMAIL PROTECTED]>: Bjorn Eikeland wrote: Hi I had four 160G IDE drives in raid5 on a single controller and it worked just fine, never benchmarked it since it was faster than the network anyway. But when adding a second controller card and two m