Re: raid 4, and bitmap.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



----- Original Message ----- 
From: "Neil Brown" <neilb@xxxxxxx>
To: "JaniD++" <djani22@xxxxxxxxxxxxx>
Cc: <linux-raid@xxxxxxxxxxxxxxx>
Sent: Friday, February 03, 2006 1:09 AM
Subject: Re: raid 4, and bitmap.


> On Friday February 3, djani22@xxxxxxxxxxxxx wrote:
> > Hello, list, Neil,
> >
> > I try to add bitmaps to raid4, and mdadm is done this fine.
> > In the /proc/mdstat shows this, and it is really works well.
> >
> > But on reboot, the kernel drops the bitmap(, and resync the entire array
if
> > it is unclean). :(
> >
> > It is still uncomplete now? (2.6.16-rc1)
>
>
> It is an 'internal' bitmap, or is the bitmap in a file?

It is internal.
The external bitmap is not works for me, because on the boot, only the NFS
is reachable, and it cause crash.

(note: this is raid4 not raid5!)

>
> If the bitmap is in a file, you need to me sure that the file is
> provided by mdadm when the array is assembled - using in-kernel
> autodetect won't work.
>
> If it is an internal bitmap.... it should work.
> Are there any kernel messages during boot that might be interesting?

It is something, i will find it one minute! :-)

>
> NeilBrown

-
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux RAID Wiki]     [ATA RAID]     [Linux SCSI Target Infrastructure]     [Linux Block]     [Linux IDE]     [Linux SCSI]     [Linux Hams]     [Device Mapper]     [Device Mapper Cryptographics]     [Kernel]     [Linux Admin]     [Linux Net]     [GFS]     [RPM]     [git]     [Yosemite Forum]


  Powered by Linux