Messages in this thread | | | Date | Sat, 25 Jan 2003 03:55:58 +1100 | From | Nick Piggin <> | Subject | Re: 2.5.59mm5, raid1 resync speed regression. |
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David Mansfield wrote:
>Hi Andrew, list, > >I'm booting 2.5.59mm5 to run a database workload benchmark that I've been >running against various kernels. I'll post those results if they are >interesting later, but I did notice that the raid1 resync is proceeding at >half the speed (at best) that it usually does (vs. 2.5.59 that is). > >It currently at about 4-8 mb/sec (and falling as resync progresses), >usually at 12-15 mb/sec. > >System is SMP 2xPIII 866mhz, 2GB ram, raid1 is two 15k U160 (running only >an Ultra speed :-( because the onboard controller sucks) SCSI disks, same >channel on aic7xxx. > >Kernel is 2.5.59-mm5 compiled with gcc version 2.96 20000731 (Red Hat >Linux 7.3 2.96-112) > >David > Thanks for the report. Please do post any results you get.
What disk workload exactly does a RAID1 resync consist of?
Nick
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