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https://github.com/ceph/ceph
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436 lines
6.4 KiB
ReStructuredText
436 lines
6.4 KiB
ReStructuredText
======================
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OSD Config Reference
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======================
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``osd auto upgrade tmap``
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:Description: Uses ``tmap`` for ``omap`` on old objects.
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:Type: Boolean
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:Default: True
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``osd tmapput sets users tmap``
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:Description: Uses ``tmap`` for debugging only.
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:Type: Boolean
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:Default: False
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``osd data``
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:Description:
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:Type: String
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:Default: None
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``osd journal``
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:Description:
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:Type: String
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:Default: None
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``osd journal size``
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:Description: The size of the journal in MBs.
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:Type: 32-bit Int
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:Default: 0
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``osd max write size``
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:Description: The size of the maximum x to write in MBs.
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:Type: 32-bit Int
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:Default: 90
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``osd balance reads``
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:Description: Load balance reads?
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:Type: Boolean
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:Default: False
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``osd shed reads``
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:Description: Forward from primary to replica.
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:Type: 32-bit Int
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:Default: False (0)
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``osd shed reads min latency``
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:Description: The minimum local latency.
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:Type: Double
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:Default: .01
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``osd shed reads min latency diff``
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:Description: Percentage difference from peer. 150% default.
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:Type: Double
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:Default: 1.5
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``osd client message size cap``
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:Description: Client data allowed in-memory. 500MB default.
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:Type: 64-bit Int Unsigned
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:Default: 500*1024L*1024L
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``osd stat refresh interval``
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:Description: The status refresh interval in seconds.
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:Type: 64-bit Int Unsigned
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:Default: .5
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``osd pg bits``
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:Description: Placement group bits per OSD.
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:Type: 32-bit Int
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:Default: 6
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``osd pgp bits``
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:Description: Placement group p bits per OSD?
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:Type: 32-bit Int
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:Default: 4
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``osd pg layout``
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:Description: Placement Group bits ? per OSD?
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:Type: 32-bit Int
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:Default: 2
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``osd min rep``
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:Description: Need a description.
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:Type: 32-bit Int
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:Default: 1
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``osd max rep``
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:Description: Need a description.
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:Type: 32-bit Int
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:Default: 10
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``osd min raid width``
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:Description: The minimum RAID width.
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:Type: 32-bit Int
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:Default: 3
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``osd max raid width``
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:Description: The maximum RAID width.
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:Type: 32-bit Int
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:Default: 2
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``osd pool default crush rule``
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:Description:
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:Type: 32-bit Int
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:Default: 0
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``osd pool default size``
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:Description:
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:Type: 32-bit Int
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:Default: 2
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``osd pool default pg num``
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:Description:
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:Type: 32-bit Int
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:Default: 8
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``osd pool default pgp num``
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:Description:
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:Type: 32-bit Int
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:Default: 8
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``osd map cache max``
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:Description:
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:Type: 32-bit Int
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:Default: 250
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``osd map message max``
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:Description: max maps per MOSDMap message
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:Type: 32-bit Int
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:Default: 100
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``osd op threads``
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:Description: 0 == no threading
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:Type: 32-bit Int
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:Default: 2
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``osd disk threads``
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:Description:
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:Type: 32-bit Int
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:Default: 1
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``osd recovery threads``
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:Description:
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:Type: 32-bit Int
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:Default: 1
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``osd recover clone overlap``
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:Description: preserve clone overlap during rvry/migrat
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:Type: Boolean
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:Default: false
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``osd backfill scan min``
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:Description:
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:Type: 32-bit Int
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:Default: 64
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``osd backfill scan max``
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:Description:
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:Type: 32-bit Int
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:Default: 512
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``osd op thread timeout``
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:Description:
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:Type: 32-bit Int
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:Default: 30
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``osd backlog thread timeout``
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:Description:
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:Type: 32-bit Int
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:Default: 60*60*1
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``osd recovery thread timeout``
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:Description:
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:Type: 32-bit Int
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:Default: 30
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``osd snap trim thread timeout``
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:Description:
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:Type: 32-bit Int
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:Default: 60*60*1
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``osd scrub thread timeout``
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:Description:
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:Type: 32-bit Int
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:Default: 60
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``osd scrub finalize thread timeout``
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:Description:
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:Type: 32-bit Int
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:Default: 60*10
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``osd remove thread timeout``
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:Description:
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:Type: 32-bit Int
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:Default: 60*60
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``osd command thread timeout``
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:Description:
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:Type: 32-bit Int
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:Default: 10*60
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``osd age``
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:Description:
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:Type: Float
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:Default: .8
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``osd age time``
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:Description:
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:Type: 32-bit Int
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:Default: 0
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``osd heartbeat interval``
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:Description:
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:Type: 32-bit Int
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:Default: 1
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``osd mon heartbeat interval``
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:Description: if no peers | ping monitor
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:Type: 32-bit Int
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:Default: 30
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``osd heartbeat grace``
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:Description:
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:Type: 32-bit Int
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:Default: 20
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``osd mon report interval max``
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:Description:
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:Type: 32-bit Int
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:Default: 120
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``osd mon report interval min``
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:Description: pg stats | failures | up thru | boot.
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:Type: 32-bit Int
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:Default: 5
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``osd mon ack timeout``
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:Description: time out a mon if it doesn't ack stats
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:Type: 32-bit Int
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:Default: 30
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``osd min down reporters``
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:Description: num OSDs needed to report a down OSD
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:Type: 32-bit Int
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:Default: 1
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``osd min down reports``
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:Description: num times a down OSD must be reported
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:Type: 32-bit Int
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:Default: 3
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``osd default data pool replay window``
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:Description:
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:Type: 32-bit Int
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:Default: 45
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``osd preserve trimmed log``
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:Description:
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:Type: Boolean
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:Default: true
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``osd auto mark unfound lost``
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:Description:
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:Type: Boolean
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:Default: false
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``osd recovery delay start``
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:Description:
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:Type: Float
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:Default: 15
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``osd recovery max active``
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:Description:
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:Type: 32-bit Int
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:Default: 5
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``osd recovery max chunk``
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:Description: max size of push chunk
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:Type: 64-bit Int Unsigned
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:Default: 1<<20
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``osd recovery forget lost objects``
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:Description: off for now
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:Type: Boolean
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:Default: false
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``osd max scrubs``
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:Description:
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:Type: 32-bit Int
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:Default: 1
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``osd scrub load threshold``
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:Description:
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:Type: Float
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:Default: 0.5
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``osd scrub min interval``
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:Description:
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:Type: Float
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:Default: 300
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``osd scrub max interval``
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:Description: once a day
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:Type: Float
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:Default: 60*60*24
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``osd auto weight``
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:Description:
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:Type: Boolean
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:Default: false
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``osd class error timeout``
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:Description: seconds
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:Type: Double
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:Default: 60.0
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``osd class timeout``
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:Description: seconds
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:Type: Double
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:Default: 60*60.0
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``osd class dir``
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:Description: where rados plugins are stored
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:Type: String
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:Default: $libdir/rados-classes
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``osd check for log corruption``
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:Description:
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:Type: Boolean
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:Default: false
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``osd use stale snap``
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:Description:
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:Type: Boolean
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:Default: false
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``osd rollback to cluster snap``
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:Description:
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:Type: String
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:Default: ""
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``osd default notify timeout``
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:Description: default notify timeout in seconds
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:Type: 32-bit Int Unsigned
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:Default: 30
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``osd kill backfill at``
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:Description:
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:Type: 32-bit Int
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:Default: 0
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``osd min pg log entries``
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:Description: num entries to keep in pg log when trimming
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:Type: 32-bit Int Unsigned
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:Default: 1000
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``osd op complaint time``
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:Description: how old in secs makes op complaint-worthy
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:Type: Float
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:Default: 30
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``osd command max records``
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:Description:
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:Type: 32-bit Int
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:Default: 256
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