udev-rules: set ctrl_loss_tmo to -1 for ONTAP NVMe/TCP #2071
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Setting ctrl_loss_tmo to -1 for ONTAP NVMe/TCP controllers would enable indefinite reconnect attempts during a path loss and help avoid purging the path on the host, which otherwise may lead to mounted fs read-only behavior. So add a rule towards enabling the same. Signed-off-by: Martin George <[email protected]>
igaw
reviewed
Oct 2, 2023
| @@ -1,3 +1,6 @@ | |||
| # Enable round-robin for NetApp ONTAP and NetApp E-Series | |||
| ACTION=="add", SUBSYSTEM=="nvme-subsystem", ATTR{subsystype}=="nvm", ATTR{model}=="NetApp ONTAP Controller", ATTR{iopolicy}="round-robin" | |||
| ACTION=="add", SUBSYSTEM=="nvme-subsystem", ATTR{subsystype}=="nvm", ATTR{model}=="NetApp E-Series", ATTR{iopolicy}="round-robin" | |||
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| # Set ctrl_loss_tmo to -1 for NetApp ONTAP NVMe/TCP | |||
| ACTION=="add|change", SUBSYSTEM=="nvme", KERNEL=="nvme*", ATTR{transport}=="tcp", ATTR{model}=="NetApp ONTAP Controller", ATTR{ctrl_loss_tmo}="-1" | |||
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IIRC, the recommended ACTION match is to use ACTION!=remove instead.
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Ok. Will make that change.
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Setting ctrl_loss_tmo to -1 for ONTAP NVMe/TCP controllers would enable indefinite reconnect attempts during a path loss and help avoid purging the path on the host, which otherwise may lead to mounted fs read-only behavior. So add a rule towards enabling the same.