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@@ -14,14 +14,16 @@ breadcrumbs:
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## Notes
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## Notes
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- Storage typically uses base-10 prefixes like speed but unlike memory.
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- Storage typically uses base-10 prefixes like speed but unlike memory.
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-
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-## Guidelines
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-
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- Higher-end SSDs provide power loss protection which generally consists of an on-board capacitor used to flush the device cache in case of power loss.
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- Higher-end SSDs provide power loss protection which generally consists of an on-board capacitor used to flush the device cache in case of power loss.
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Typically DC-grade devices do but cheap consumer devices to not.
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Typically DC-grade devices do but cheap consumer devices to not.
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+
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+## Guidelines
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- SSDs can be overprovisioned in order to improve performance by leaving unused space the SSD can use internally.
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- SSDs can be overprovisioned in order to improve performance by leaving unused space the SSD can use internally.
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Factories typically reserve some minimum size appropriate to the drive, but users can overprovision further by leaving space unallocated/unpartitioned at the end of the drive.
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Factories typically reserve some minimum size appropriate to the drive, but users can overprovision further by leaving space unallocated/unpartitioned at the end of the drive.
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It's typically not needed to overprovision newer SSDs.
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It's typically not needed to overprovision newer SSDs.
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+- After receiving a new drive or after transporting an existing drive, you may want to run a SMART conveyance test,
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+ which is similar to a short test but targeted at this scenario.
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+ See [smartmontools](../../linux-general/applications/#smartmontools).
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### RAID
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### RAID
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Håvard O. Nordstrand