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MTL-1562 stripe the ephemeral partition #16

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merged 1 commit into from
Dec 3, 2021

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rustydb
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@rustydb rustydb commented Dec 3, 2021

Summary and Scope

Issue Type
  • RFE Pull Request

This change results in striping the final partition on each disk in the RAID.

Before:

  • Partition 1: Mirror, FSLABEL=BOOTRAID
  • Partition 2: Mirror, FSLABEL=SQFSRAID
  • Partition 3: Mirror, FSLABEL=ROOTRAID
  • Partition 4: Mirror, FSLABEL=AUX

After:

  • Partition 1: Mirror, FSLABEL=BOOTRAID
  • Partition 2: Mirror, FSLABEL=SQFSRAID
  • Partition 3: Mirror, FSLABEL=ROOTRAID
  • Partition 4: Stripe, FSLABEL=AUX

Prerequisites

Idempotency

Risks and Mitigations

Low risk. Installs & Upgrades will be able to wipe and adopt this without issue.

@rustydb rustydb requested a review from a team as a code owner December 3, 2021 17:42
@rustydb rustydb force-pushed the MTL-1562-stripe-the-last-partition branch 2 times, most recently from 57620b5 to 2cac2ec Compare December 3, 2021 17:50
@rustydb rustydb force-pushed the MTL-1562-stripe-the-last-partition branch from 2cac2ec to afaa515 Compare December 3, 2021 18:02
@@ -1 +1 @@
1.6.6
1.7.0
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This change will not be backwards compatible, so the minor version is bumped to infer it's receiving new content to an important component.

@rustydb
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rustydb commented Dec 3, 2021

Once this merged the JIRA is incomplete until I also make the change for NCN cloudinit.

@rustydb rustydb force-pushed the MTL-1562-stripe-the-last-partition branch from afaa515 to c3fb58b Compare December 3, 2021 19:49
This will double the capacity of what is to be considered ephemeral,
pliable space on the RAID array. The final partition on each disk to be
used in the RAID will be striped with one another instead of mirrored.
@rustydb rustydb force-pushed the MTL-1562-stripe-the-last-partition branch from c3fb58b to d5bd62d Compare December 3, 2021 19:51
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2 participants