On Sat, 24 Oct 2015 18:15:41 +0200 Rainer Fügenstein <rfu@xxxxxxxxxx> wrote: > hi, > > > I strongly recommend adding a write-intend bitmap > > mdadm --grow /dev/md0 --bitmap=internal > > I did as suggested, but now it feels like performance has dropped to > about 1/4th of what it used to be before. since this system is already > pretty slow by design, this is quite frustrating. Use a higher bitmap-chunk size, such as 256M or more. -- With respect, Roman
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