Re: Correct way to create multiple RAID volumes with hot-spare?

2006-09-13 Thread Lem
On Tue, 2006-09-12 at 17:05 -0400, Steve Cousins wrote: The recent Messed up creating new array... thread has someone who started by using the whole drives but she now wants to use partitions because the array is not starting automatically on boot (I think that was the symptom). I'm

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

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

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,

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 queue

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

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 ahci. I

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: 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 /dev/md0 b 9 0

[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 / \ ---

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 appears