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One PHY status is "Rate unknown"

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Category:
fas-systems
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HW
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Applies to

AFF / FAS

Issue

  • From SAS-EXPANDER-PHY-STATE,one of the PHYs reports the speed as Rate unknown
Expander phy state on 0b.0 (NETAPP  :DS21212IOM12E    SHFFG1940000417):
Pwr         Invald Disprt Loss   Phy    CRC    Phy
Pwr Ccl Rsv Rls DWord  Error  Sync   Reset  Error  Change SATA
PHY/BAY STATE             ON  Cnt Cnt Cnt Count  Count  Count  Prob   Cnt    Cnt    Affiliation
------- ----------------- --- --- --- --- ------ ------ ------ ------ ------ ------ ----------------
0/P0:0 12.0 Gb/s         --- --- --- --- 0      0      0      0      0      3      ----------------
1/P0:1 12.0 Gb/s         --- --- --- --- 0      0      0      0      0      3      ----------------
2/P0:2 12.0 Gb/s         --- --- --- --- 0      0      0      0      0      3      ----------------
3/P0:3 12.0 Gb/s         --- --- --- --- 0      0      0      0      0      3      ----------------
4/P1:0 12.0 Gb/s         --- --- --- --- 0      0      0      0      0      1      ----------------
5/P1:1 Rate unknown
6/P1:2 12.0 Gb/s         --- --- --- --- 0      0      0      0      0      1      ----------------
7/P1:3 12.0 Gb/s         --- --- --- --- 0      0      0      0      0      1      ----------------
  • But from sysconfig -a, PHY reports the speed as 12.0Gb/s
    slot 0: SAS Host Adapter 0b (PMC-Sierra PM8070 rev. C, SAS, <UP>)
        Firmware rev:       03.08.09.00
        Base WWN:           5:00a098:00b67f5:34
        Phy State:          [4] Enabled, 12.0 Gb/s
                            [5] Enabled, 12.0 Gb/s
                            [6] Enabled, 12.0 Gb/s
                            [7] Enabled, 12.0 Gb/s

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