RE: [PATCH] Monitor: do not move partitions to external container

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

 



This patch seems to have been overlooked.
Monitor will move a spare and start recovery on a partition without the check.
Regards
Anna

> -----Original Message-----
> From: linux-raid-owner@xxxxxxxxxxxxxxx [mailto:linux-raid-
> owner@xxxxxxxxxxxxxxx] On Behalf Of Czarnowska, Anna
> Sent: Saturday, December 04, 2010 12:14 AM
> To: Neil Brown
> Cc: linux-raid@xxxxxxxxxxxxxxx; Neubauer, Wojciech; Williams, Dan J;
> Ciechanowski, Ed; Labun, Marcin; Hawrylewicz Czarnowski, Przemyslaw
> Subject: [PATCH] Monitor: do not move partitions to external container
> 
> From de798c689a31f939aca41ef4d21199525d581fe8 Mon Sep 17 00:00:00 2001
> From: Anna Czarnowska <anna.czarnowska@xxxxxxxxx>
> Date: Fri, 3 Dec 2010 15:23:41 +0100
> Subject: [PATCH] Monitor: do not move partitions to external container
> Cc: linux-raid@xxxxxxxxxxxxxxx, Williams, Dan J
> <dan.j.williams@xxxxxxxxx>, Ciechanowski, Ed
> <ed.ciechanowski@xxxxxxxxx>
> 
> Since we are allowing moving spares between different metadata arrays
> we need to ensure that external metadata array does not get a partition
> for a spare.
> Arrays on partitions are not supported for external metadata
> so do not take such spare from a native array.
> 
> Signed-off-by: Anna Czarnowska <anna.czarnowska@xxxxxxxxx>
> ---
>  Monitor.c |    4 ++++
>  mdadm.h   |    1 +
>  util.c    |   13 +++++++++++++
>  3 files changed, 18 insertions(+), 0 deletions(-)
> 
> diff --git a/Monitor.c b/Monitor.c
> index 61550ee..f7de9ff 100644
> --- a/Monitor.c
> +++ b/Monitor.c
> @@ -798,6 +798,10 @@ static dev_t choose_spare(struct state *from,
> struct state *to,
>  		    from->devstate[d] == 0) {
>  			struct dev_policy *pol;
>  			unsigned long long dev_size;
> +
> +			if (to->metadata->ss->external &&
> +			    test_partition_from_id(from->devid[d]))
> +				continue;
> 
>  			if (min_size &&
>  			    dev_size_from_id(from->devid[d], &dev_size) &&
> diff --git a/mdadm.h b/mdadm.h
> index a0126eb..28d983d 100644
> --- a/mdadm.h
> +++ b/mdadm.h
> @@ -1073,6 +1073,7 @@ extern int ask(char *mesg);
>  extern unsigned long long get_component_size(int fd);
>  extern void remove_partitions(int fd);
>  extern int test_partition(int fd);
> +extern int test_partition_from_id(dev_t id);
>  extern unsigned long long calc_array_size(int level, int raid_disks,
> int layout,
>  				   int chunksize, unsigned long long devsize);
>  extern int flush_metadata_updates(struct supertype *st);
> diff --git a/util.c b/util.c
> index 4b41e2b..070b58a 100644
> --- a/util.c
> +++ b/util.c
> @@ -295,6 +295,19 @@ int test_partition(int fd)
>  	return 1;
>  }
> 
> +int test_partition_from_id(dev_t id)
> +{
> +	char buf[20];
> +	int fd, rv;
> +
> +	sprintf(buf, "%d:%d", major(id), minor(id));
> +	fd = dev_open(buf, O_RDONLY);
> +	if (fd < 0)
> +		return -1;
> +	rv = test_partition(fd);
> +	close(fd);
> +	return rv;
> +}
> 
>  int enough(int level, int raid_disks, int layout, int clean,
>  	   char *avail, int avail_disks)
> --
> 1.7.1
> 
> --
> 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
--
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