Samsung 840 Pro 512GB 在 mkfs.ext4 时需要加入什么特别参数么? - V2EX
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Livid
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V2EX    SSD

Samsung 840 Pro 512GB 在 mkfs.ext4 时需要加入什么特别参数么?

  •  
  •   Livid
    PRO
    2013-06-29 21:46:16 +08:00 5547 次点击
    这是一个创建于 4490 天前的主题,其中的信息可能已经有所发展或是发生改变。
    4 条回复    1970-01-01 08:00:00 +08:00
    ihacku
        1
    ihacku  
       2013-06-29 23:16:31 +08:00
    之前在mailing list看到这个 可以参考一下
    https://www.redhat.com/archives/dm-devel/2013-April/msg00068.html
    不过也要看应用场景的 读多还是写多 是否搭配机械硬盘 选的哪种cache手段 EnhanceIO,Bcache 还是什么
    karbon
        2
    karbon  
       2013-06-29 23:25:10 +08:00
    根Arch Wiki< https://wiki.archlinux.org/index.php/SSD#Enable_TRIM_With_mkfs.ext4_or_tune2fs_.28Discouraged.29 >,discard指令在都是建的候再加去了;
    tititake
        3
    tititake  
       2013-07-28 07:23:10 +08:00 via Android
    分区对齐就好,mkfs不需要特别参数,挂载时用discard或参数者定时执行fstrim
    tarsier
        4
    tarsier  
       2013-07-28 08:07:30 +08:00 via Android
    单对ext4系统而言,我觉得可以减少默认保留的inode数,以及每个inode对应1兆大小磁盘空间。可以省出几g空间
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