Re: [PATCH 00/19] Hardware Accelerated MD RAID5: Introduction

2006-09-13 Thread Dan Williams
On 9/13/06, Jakob Oestergaard <[EMAIL PROTECTED]> wrote: On Mon, Sep 11, 2006 at 04:00:32PM -0700, Dan Williams wrote: > Neil, > ... > > Concerning the context switching performance concerns raised at the > previous release, I have observed the following. For the hardware > accelerated case it a

[PATCH] missing close in mdassemble

2006-09-13 Thread Luca Berra
attached, please apply without this mdassemble cannot activate stacked arrays, i wonder how i managed to miss it :( L. -- Luca Berra -- [EMAIL PROTECTED] Communication Media & Services S.r.l. /"\ \ / ASCII RIBBON CAMPAIGN XAGAINST HTML MAIL / \ --- mdadm-2.5.3/mdassemble.c.cl

Re: access *existing* array from knoppix

2006-09-13 Thread Dexter Filmore
Am Mittwoch, 13. September 2006 15:48 schrieb Rob Bray: > > Am Dienstag, 12. September 2006 16:08 schrieb Justin Piszcz: > >> /dev/MAKEDEV /dev/md0 > >> > >> also make sure the SW raid modules etc are loaded if necessary. > > > > Won't work, MAKEDEV doesn't know how to create [/dev/]md0. > > mknod

Re: access *existing* array from knoppix

2006-09-13 Thread Rob Bray
> Am Dienstag, 12. September 2006 16:08 schrieb Justin Piszcz: >> /dev/MAKEDEV /dev/md0 >> >> also make sure the SW raid modules etc are loaded if necessary. > > Won't work, MAKEDEV doesn't know how to create [/dev/]md0. mknod /dev/md0 b 9 0 perhaps? - To unsubscribe from this list: send the line

Re: libata hotplug and md raid?

2006-09-13 Thread Leon Woestenberg
Hello Tejun et al, On 9/13/06, Tejun Heo <[EMAIL PROTECTED]> wrote: Ric Wheeler wrote: > (Adding Tejun & Greg KH to this thread) Adding linux-ide to this thread. > > Leon Woestenberg wrote: [--snip--] >> In short, I use ext3 over /dev/md0 over 4 SATA drives /dev/sd[a-d] >> each driven by libata

raid 5 kernel error

2006-09-13 Thread Sterpu Victor
I made a raid 5. When the raid was building I received the some errors from the kernel, and after this the raid stopped rebuilding. The command cat /proc/mdstat shows this: Personalities : [raid5] md0 : active raid5 hda6[0] hdd6[4] hdc6[2] hdb6[1] 579664896 blocks level 5, 64k chunk, algo

Re: libata hotplug and md raid?

2006-09-13 Thread Tejun Heo
Ric Wheeler wrote: (Adding Tejun & Greg KH to this thread) Adding linux-ide to this thread. Leon Woestenberg wrote: [--snip--] In short, I use ext3 over /dev/md0 over 4 SATA drives /dev/sd[a-d] each driven by libata ahci. I unplug then replug the drive that is rebuilding in RAID-5. When I u

Re: libata hotplug and md raid?

2006-09-13 Thread Ric Wheeler
(Adding Tejun & Greg KH to this thread) Leon Woestenberg wrote: Hello all, I am testing the (work-in-progress / upcoming) libata SATA hotplug. Hotplugging alone seems to work, but not well in combination with md RAID. Here is my report and a question about intended behaviour. Mainstream 2.6.1

libata hotplug and md raid?

2006-09-13 Thread Leon Woestenberg
Hello all, I am testing the (work-in-progress / upcoming) libata SATA hotplug. Hotplugging alone seems to work, but not well in combination with md RAID. Here is my report and a question about intended behaviour. Mainstream 2.6.17.11 kernel patched with libata-tj-2.6.17.4-20060710.tar.bz2 from h

Re: [PATCH 00/19] Hardware Accelerated MD RAID5: Introduction

2006-09-13 Thread Jakob Oestergaard
On Mon, Sep 11, 2006 at 04:00:32PM -0700, Dan Williams wrote: > Neil, > ... > > Concerning the context switching performance concerns raised at the > previous release, I have observed the following. For the hardware > accelerated case it appears that performance is always better with the > work