Re: is this raid5 OK ?

2007-03-30 Thread Bill Davidsen
Justin Piszcz wrote: On Fri, 30 Mar 2007, Rainer Fuegenstein wrote: Bill Davidsen wrote: This still looks odd, why should it behave like this. I have created a lot of arrays (when I was doing the RAID5 speed testing thread), and never had anything like this. I'd like to see dmesg to see if

Re: is this raid5 OK ?

2007-03-30 Thread Bill Davidsen
-wheneverRainer Fuegenstein wrote: Bill Davidsen wrote: This still looks odd, why should it behave like this. I have created a lot of arrays (when I was doing the RAID5 speed testing thread), and never had anything like this. I'd like to see dmesg to see if there was an error reported regardi

Re: raid5 write performance

2007-03-30 Thread Raz Ben-Jehuda(caro)
Please see bellow. On 8/28/06, Neil Brown <[EMAIL PROTECTED]> wrote: On Sunday August 13, [EMAIL PROTECTED] wrote: > well ... me again > > Following your advice > > I added a deadline for every WRITE stripe head when it is created. > in raid5_activate_delayed i checked if deadline is expired

Re: is this raid5 OK ?

2007-03-30 Thread Justin Piszcz
On Fri, 30 Mar 2007, Rainer Fuegenstein wrote: Bill Davidsen wrote: This still looks odd, why should it behave like this. I have created a lot of arrays (when I was doing the RAID5 speed testing thread), and never had anything like this. I'd like to see dmesg to see if there was an error re

Re: is this raid5 OK ?

2007-03-30 Thread Rainer Fuegenstein
Bill Davidsen wrote: This still looks odd, why should it behave like this. I have created a lot of arrays (when I was doing the RAID5 speed testing thread), and never had anything like this. I'd like to see dmesg to see if there was an error reported regarding this. I think there's more goin

Re: mdadm: RUN_ARRAY failed: Cannot allocate memory

2007-03-30 Thread Bill Davidsen
Neil Brown wrote: On Saturday March 24, [EMAIL PROTECTED] wrote: Hello Neil , I found the problem that caused the 'cannot allcate memory' , DON'T use '--bitmap=' . But that said , H , Shouldn't mdadm just stop & say ... 'md: bitmaps not supported for this level.'

Re: is this raid5 OK ?

2007-03-30 Thread Bill Davidsen
Rainer Fuegenstein wrote: hi, 1) the kernel was: [EMAIL PROTECTED] ~]# uname -a Linux alfred 2.6.19-1.2288.fc5xen0 #1 SMP Sat Feb 10 16:57:02 EST 2007 i686 athlon i386 GNU/Linux now upgraded to: [EMAIL PROTECTED] ~]# uname -a Linux alfred 2.6.20-1.2307.fc5xen0 #1 SMP Sun Mar 18 21:59:42 EDT

Re: is this raid5 OK ?

2007-03-30 Thread Rainer Fuegenstein
hi, 1) the kernel was: [EMAIL PROTECTED] ~]# uname -a Linux alfred 2.6.19-1.2288.fc5xen0 #1 SMP Sat Feb 10 16:57:02 EST 2007 i686 athlon i386 GNU/Linux now upgraded to: [EMAIL PROTECTED] ~]# uname -a Linux alfred 2.6.20-1.2307.fc5xen0 #1 SMP Sun Mar 18 21:59:42 EDT 2007 i686 athlon i386 GNU/

Re: Software RAID (non-preempt) server blocking question. (2.6.20.4)

2007-03-30 Thread Justin Piszcz
On Fri, 30 Mar 2007, Neil Brown wrote: On Thursday March 29, [EMAIL PROTECTED] wrote: Did you look at "cat /proc/mdstat" ?? What sort of speed was the check running at? Around 44MB/s. I do use the following optimization, perhaps a bad idea if I want other processes to 'stay alive'? echo