I am currently looking at using md RAID1 and libata hotplug under 2.6.19.
This relevant thread from Oct 2006
http://thread.gmane.org/gmane.linux.raid/13321/focus=13321
tailed off after this proposal from Neil Brown:
> On Monday October 16, [EMAIL PROTECTED] wrote:
> > > So the question remains:
On Tue, Oct 17, 2006 at 10:07:07AM +0200, Gabor Gombas wrote:
> Vanilla 2.6.18 kernel. In fact, all the /sys/block/*/holders directories
> are empty here.
Never mind, I just found the per-partition holders directories. Argh.
Gabor
--
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On Tue, Oct 17, 2006 at 11:58:03AM +1000, Neil Brown wrote:
> udev can find out what needs to be done by looking at
> /sys/block/whatever/holders.
Are you sure?
$ cat /proc/mdstat
[...]
md0 : active raid1 sdd1[1] sdc1[0] sdb1[2] sda1[3]
393472 blocks [4/4] []
[...]
$ ls -l /sys/block/
On Monday October 16, [EMAIL PROTECTED] wrote:
> > So the question remains: How will hotplug and md work together?
> >
> > How does md and hotplug work together for current hotplug devices?
>
> I have the same questions.
>
> How does this work in a pure SCSI environment? (has it been tested?)
>
Leon Woestenberg wrote:
Hello all,
On 9/13/06, Tejun Heo <[EMAIL PROTECTED]> wrote:
Ric Wheeler wrote:
> Leon Woestenberg wrote:
>> 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.
>
Hello all,
On 9/15/06, Greg KH <[EMAIL PROTECTED]> wrote:
On Thu, Sep 14, 2006 at 02:24:45PM +0200, Leon Woestenberg wrote:
> On 9/13/06, Tejun Heo <[EMAIL PROTECTED]> wrote:
> >Ric Wheeler wrote:
> >> Leon Woestenberg wrote:
> >>> In short, I use ext3 over /dev/md0 over 4 SATA drives /dev/sd[a-
On Thu, Sep 14, 2006 at 02:24:45PM +0200, Leon Woestenberg wrote:
> Hello all,
>
> On 9/13/06, Tejun Heo <[EMAIL PROTECTED]> wrote:
> >Ric Wheeler wrote:
> >> Leon Woestenberg wrote:
> >>> In short, I use ext3 over /dev/md0 over 4 SATA drives /dev/sd[a-d]
> >>> each driven by libata ahci. I unplug
Hello all,
On 9/13/06, Tejun Heo <[EMAIL PROTECTED]> wrote:
Ric Wheeler wrote:
> Leon Woestenberg wrote:
>> 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 unplug a driv
> "Tejun" == Tejun Heo <[EMAIL PROTECTED]> writes:
Tejun> Would it be better for md to listen to
Tejun> hotplug events and auto-remove dead devices or is it
Tejun> something which belongs to userland?
>From my perspective (User+Admin), I'd _very much_ like to have
(physically) rem
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
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
(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
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