ceph: OSD client

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The OSD client is responsible for reading and writing data from/to the
object storage pool.  This includes determining where objects are
stored in the cluster, and ensuring that requests are retried or
redirected in the event of a node failure or data migration.

If an OSD does not respond before a timeout expires, keepalive
messages are sent across the lossless, ordered communications channel
to ensure that any break in the TCP is discovered.  If the session
does reset, a reconnection is attempted and affected requests are
resent (by the message transport layer).

Signed-off-by: Sage Weil <sage@newdream.net>

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This commit is contained in:

Sage Weil 2009-10-06 11:31:10 -07:00

parent 2f2dc05340

commit f24e9980eb

4 changed files with 2436 additions and 0 deletions

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1294

fs/ceph/osd_client.c

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144

fs/ceph/osd_client.h

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875

fs/ceph/osdmap.c

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123

fs/ceph/osdmap.h

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