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sohnman's questions

Martin Hope
sohnman
Asked: 2019-10-29 23:57:03 +0800 CST
  • 7

我已将 zfs 升级到 kmod-0.8.2-1 以进行 SSD 修整，修整功能适用于普通 zfs SSD 驱动器，但不适用于 SSD 缓存驱动器（以下日志中的 sdc）。我怎样才能修剪它？提前致谢。

root@server1:~# cat /etc/redhat-release
CentOS Linux release 7.6.1810 (Core)
root@server1:~# zpool status -t
  pool: zp1
 state: ONLINE
  scan: scrub repaired 0B in 0 days 00:24:42 with 0 errors on Mon Jun 10 18:38:54 2019
config:

        NAME        STATE     READ WRITE CKSUM
        zp1         ONLINE       0     0     0
          sdb       ONLINE       0     0     0  (100% trimmed, completed at Mon Oct 28 23:06:03 2019)

errors: No known data errors

  pool: zp2
 state: ONLINE
  scan: scrub repaired 0B in 0 days 00:53:18 with 0 errors on Mon Jun 10 19:59:37 2019
config:

        NAME        STATE     READ WRITE CKSUM
        zp2         ONLINE       0     0     0
          sdd       ONLINE       0     0     0  (trim unsupported)
        cache
          sdc       ONLINE       0     0     0  (untrimmed)

errors: No known data errors
root@server1:~# zpool trim zp2 sdc
cannot trim 'sdc': device is in use as a cache
root@server1:~#
ssd cache