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Re: [dm-devel] Re: [PATCH] dm-striped device sizes must be multiple of chunk-size



Joseph,

can you send me the tar-archive of your metadata

	dmraid -rD
	tar jcvf isw-Joseph_Yasi-raid0.tar.bz2 *.{dat,size,offset)

for reference, please.

Heinz


On Wed, Mar 22, 2006 at 11:28:22PM -0600, Joseph Yasi wrote:
> Hello,
> 
>     I am using the dmraid utility to detect and configure my Intel
> Software Raid RAID0 array.  When upgrading to 2.6.16 from 2.6.15, the
> system failed to boot because the device-mapper array was not built. 
> I have traced the problem to this patch that limits dm-stripe to
> targets that are multiples of the chunk size.  I don't know whether to
> consider this a problem with device-mapper or with the Intel Software
> Raid BIOS that built the array.  Dmraid is giving me a target of
> 980460038 blocks with a chunk size of 256 blocks.  Is this a problem
> with device-mapper, the dmraid utility or the raid bios?  Should
> device-mapper handle striped targets that are not multiples of the
> chunk size?
> 
> Thank You,
> Joe Yasi
> 
> dmesg gives these pertinent lines:
> device-mapper: dm-stripe: Target length not divisible by chunk size.
> device-mapper: error adding target to table.
> 
> dmsetup status
> isw_caejhbcidd_Volume03: 0 976173660 linear
> isw_caejhbcidd_Volume02: 0 4209030 linear
> isw_caejhbcidd_Volume01: 0 64197 linear
> isw_caejhbcidd_Volume0: 0 980460038 striped
> 
> dmraid -s
> *** Group superset isw_caejhbcidd
> --> Active Subset
> name   : isw_caejhbcidd_Volume0
> size   : 980460038
> stride : 256
> type   : stripe
> status : ok
> subsets: 0
> devs   : 2
> spares : 0
> 
> --
> dm-devel mailing list
> dm-devel redhat com
> https://www.redhat.com/mailman/listinfo/dm-devel

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Heinz Mauelshagen                                 Red Hat GmbH
Consulting Development Engineer                   Am Sonnenhang 11
Storage Development                               56242 Marienrachdorf
                                                  Germany
Mauelshagen RedHat com                            PHONE +49  171 7803392
                                                  FAX   +49 2626 924446
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