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authorDave Wysochanski <dwysocha@redhat.com>2007-10-19 23:47:55 +0200
committerAlasdair G Kergon <agk@redhat.com>2007-10-20 03:01:20 +0200
commitfe97e2aa0502922488ad62303a19a20c8044ae18 (patch)
tree481f977d08248b64c4e9b3c48c74b95fbe90e1be /drivers/md/dm-raid1.c
parentdm mpath: add hp handler (diff)
downloadlinux-fe97e2aa0502922488ad62303a19a20c8044ae18.tar.xz
linux-fe97e2aa0502922488ad62303a19a20c8044ae18.zip
dm mpath: hp retry if not ready
This patch adds retries to the hp hardware handler, and utilizes the MP_RETRY flag of dm-multipath. For now in the hp handler, if we get a pg_init completed with a check condition we just assume we can retry the pg_init command. We make this assumption because of incomplete data on specific check condition code of the HP hardware, and because testing has shown the HP path initialization command to be idempotent. The number of times we retry is settable via the "pg_init_retries" multipath map feature. Signed-off-by: Dave Wysochanski <dwysocha@redhat.com> Acked-by: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm-raid1.c')
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