can anybody helps? On 09/17/2012 07:15 PM, ching wrote: > I am testing btrfs for long-term storage and backup, and i would like > to know more about "autodefrag" option: > > 1. Will "autodefrag" option benefit ssd? > > My understanding is: > > autodrag -> number of extent decrease -> metadata decrease -> a > "healthier" filesystem in the long run > > (P.S. I am aware that autodefrag will introduce extra write I/O) > > 2. AFAIK, "autodefrag" detects small random writes into files and > queues them up for an automatic defrag process, so the filesystem will > defragment itself while it's used. > > If the system reboot/crash/remount-ro, will the autodefrag process > continue after resume? > >
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