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Hardware: Open ZFS -> OpenZFS

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George Melikov
2020-09-14 20:00:35 +03:00
parent 44322e6523
commit f9e79f17b4
1 changed files with 4 additions and 4 deletions
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8
docs/Performance and Tuning/Hardware.rst
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@@ -128,7 +128,7 @@ things to note:
- This configuration is typically not tested. - This configuration is typically not tested.
- The disks could be unrecognized. - The disks could be unrecognized.
- Support for SATA port multipliers is inconsistent across Open ZFS - Support for SATA port multipliers is inconsistent across OpenZFS
platforms platforms
- Linux drivers generally support them. - Linux drivers generally support them.
@@ -152,7 +152,7 @@ Controllers
The ideal storage controller for ZFS has the following attributes: The ideal storage controller for ZFS has the following attributes:
- Driver support on major Open ZFS platforms - Driver support on major OpenZFS platforms
- Stability is important. - Stability is important.
@@ -391,7 +391,7 @@ requires command queuing. Almost all drives manufactured within the past
- SATA drives operating under IDE emulation that was configured in the - SATA drives operating under IDE emulation that was configured in the
system BIOS. system BIOS.
Each Open ZFS system has different methods for checking whether command Each OpenZFS system has different methods for checking whether command
queuing is supported. On Linux, ``hdparm -I /path/to/device \| grep queuing is supported. On Linux, ``hdparm -I /path/to/device \| grep
Queue`` is used. On FreeBSD, ``camcontrol identify $DEVICE`` is used. Queue`` is used. On FreeBSD, ``camcontrol identify $DEVICE`` is used.
@@ -654,7 +654,7 @@ As of 2014, most NAND-flash SSDs on the market have 8192-byte page
sizes. However, models using 128-Gbit NAND from certain manufacturers sizes. However, models using 128-Gbit NAND from certain manufacturers
have a 16384-byte page size. Maximum performance requires that vdevs be have a 16384-byte page size. Maximum performance requires that vdevs be
created with correct ashift values (13 for 8192-byte and 14 for created with correct ashift values (13 for 8192-byte and 14 for
16384-byte). However, not all Open ZFS platforms support this. The Linux 16384-byte). However, not all OpenZFS platforms support this. The Linux
port supports ashift=13, while others are limited to ashift=12 port supports ashift=13, while others are limited to ashift=12
(4096-byte). (4096-byte).