还是snapshot靠谱……

On Sun, May 17, 2015 at 1:56 PM, Justin Wong <[email protected]> wrote:
> TUNA mirrors 被 硬raid+LVM+qcow2+virtio+btrfs 坑惨之后,在没有条件上裸硬盘的情况下, ZFS 和 btrfs
> 都不好,所以我决定退回到 ext4。
>
> 这样做的代价就是失去 snapshot,因此各类 rsync 都需要考虑同步过程的中间状态问题。
> 目前 rsync 的参数表是:
>
> -aHvh --no-o --no-g --stats --delay-updates --delete --delete-after
> --safe-links --timeout=120 --contimeout=120
>
> 有几个问题我不太确定:
>
> --exclude-from 和 --exclude 是否可以同时使用?因为需要考虑 --exclude .~tmp~ 这样的东西
> 在有 --delay-updates 的情况下,debian 的 two-stage rsync 是否还有必要?[1] 中有讨论,结论似乎是
> single stage 就够了,那么为什么 debian 官方仍然要求使用 two-stage rsync?
>
> p.s. cc 给 ustc 的同学求意见。
>
> [1] https://lists.debian.org/debian-user/2005/12/msg00357.html
>
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-- 
Regards,
Aron Xu

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