Différences

Ci-dessous, les différences entre deux révisions de la page.

--- installfreebsd [2019/03/27 12:46] – [bash comme shell par défaut] cyrille
+++ installfreebsd [2019/03/27 13:48] – [SSD Config [UFS]] cyrille
@@ Ligne 810: / Ligne 810: @@
 tunefs: optimization preference: (-o)                      time
 tunefs: volume label: (-L)
+</code>
+===== SSD Config [ZFS] =====
+<code bash>root@asgard-freeBSD:~ # sysctl vfs.zfs.trim
+vfs.zfs.trim.max_interval: 1
+vfs.zfs.trim.timeout: 30
+vfs.zfs.trim.txg_delay: 32
+vfs.zfs.trim.enabled: 1</code>
+<code bash>root@asgard-freeBSD:~ # sysctl -d kstat.zfs.misc.zio_trim
+kstat.zfs.misc.zio_trim:
+kstat.zfs.misc.zio_trim.failed: Number of TRIM requests that failed for reasons other than not supported
+kstat.zfs.misc.zio_trim.unsupported: Number of TRIM requests that failed because TRIM is not supported
+kstat.zfs.misc.zio_trim.success: Number of successful TRIM requests
+kstat.zfs.misc.zio_trim.bytes: Number of bytes successfully TRIMmed</code>
+<code bash>root@asgard-freeBSD:~ # sysctl -a |grep _trim
+kern.cam.nda.max_trim: 256
+kstat.zfs.misc.zio_trim.failed: 0
+kstat.zfs.misc.zio_trim.unsupported: 0
+kstat.zfs.misc.zio_trim.success: 34651
+kstat.zfs.misc.zio_trim.bytes: 2751168512
 </code>
 =====DUAL BOOT freeBSD / Linux=====
@@ Ligne 973: / Ligne 994: @@
   *[[https://www.freebsd.org/doc/fr/books/handbook/|HandBook Français de FreeBSD]]
   *[[https://forums.fug-fr.org/cgi-bin/yabb2/YaBB.pl| Forum FUG-FR]]
+  *[[http://open-zfs.org/wiki/Performance_tuning|ZFS]]

Cyrille BIOT