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List:       linux-raid
Subject:    Re: [dm-devel] [ANNOUNCE] multipath-tools-0.2.7
From:       christophe.varoqui () free ! fr
Date:       2004-07-26 10:16:34
Message-ID: 1090836994.4104da027ea5a () imp6-q ! free ! fr
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Selon christophe.varoqui@free.fr:

> Hello,
>
> here goes multipath-tools version 0.2.7
>
> Jan,
> the ULUA framework I got implemented is rather simple :
> 1) the path struct gets a new ->priority member
> 2) before path grouping, sort the path list by priority
>
> The missing link is the priority fetcher.
> Does that framework fit your needs ?
>
Note, that I see this ->priority as a generic way to deport path grouping policy
into callout binaries : I'll code a generic "group_by_prio" pgpolicy and a
priority_callout config keyword for that.


> 2004-07-24 multipath-tools-0.2.7
>         * [multipath] args parser moved to getopt
>           <genanr@emsphone.com>
>         * [multipath] zero conf->hotplugdev at allocation
>           <genanr@emsphone.com>
>         * [multipath] clean up failed devmap creation attempt
>         * [libs] update to libdevmapper 1.00.19
>         * [multipath] framework for claimed device skipping
>           still lacks a reliable way to know if the device is
>           claimed and by who (fs, swap, md, dm, ...). If you
>           think it is valid to let libdevmapper hit the wall,
>           please speak up and tell so.
>         * [multipath] shut down stderr when calling into libdm
>         * [multipath] reformat the verbose output
>         * [multipath] framework for path priority handling (ULUA)
>         * [multipath] kill all reference to group_by_tur
>         * [multipath] integrate path state logic into multibus &
>           failover pgpolicies. This obsoletes the group_by_tur one
>           which is now the same as multibus.
>         * [multipath] zalloc mp structs to avoid garbage in ->size
>         * bump version requisite for scsi_id to 0.6 to support the new
>           '-u' flag (s/ /_/ for proper JBOD device map naming)
>         * [multipath] correct the for(;;) limits to accept 1-slot
>           pathvecs
>         * [multipath] push WWID_SIZE to 64 char (scsi_id w/ JBODs)
>         * [multipath] add a exit_tool() wrapper fn for runfile unlink
>         * [multipath] add a "default_path_grouping_policy" keyword in the
>         * "defaults" block.
>         * [multipath] add a "default_getuid_callout" keyword in the
>           "defaults" block. Now multipath is going to work with JBODs
>         * [multipath] fix segfault when pathvec is empty after
>           get_pathvec()
>         * move to template based specfile to avoid regular version skew
>
> Downloads and docs at http://christophe.varoqui.free.fr
>
> regards,
> cvaroqui
> --
> --
> dm-devel mailing list
> dm-devel@redhat.com
> https://www.redhat.com/mailman/listinfo/dm-devel
>


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