Re: skip raid5 reconstruction

2005-07-08 Thread Brad Campbell
Ming Zhang wrote: Hi folks I am testing some HW performance with raid5 with 2.4.x kenrel. It is really troublesome every time I create a raid5, wait 4 hours for reconstruction, and then test some data and then recreate another one and wait again. I wonder if there is any hack or option

Re: skip raid5 reconstruction

2005-07-08 Thread Brad Campbell
Ming Zhang wrote: I did a similar thing a while back. I created the raid and waited for it to sync, I then make dd copies of the raid superblocks. When I blew it up I just dd the clean superblocks back again (saved a 12 hour rebuild time) interesting to know about this. u just check the

Re: skip raid5 reconstruction

2005-07-06 Thread Michael Tokarev
Ming Zhang wrote: Hi folks I am testing some HW performance with raid5 with 2.4.x kenrel. It is really troublesome every time I create a raid5, wait 4 hours for reconstruction, and then test some data and then recreate another one and wait again. I wonder if there is any hack or option

Re: skip raid5 reconstruction

2005-07-06 Thread Ming Zhang
Thanks, that is a workaround as well. :P I already solve this by using mkraid. Ming On Wed, 2005-07-06 at 19:45 +0400, Michael Tokarev wrote: Ming Zhang wrote: Hi folks I am testing some HW performance with raid5 with 2.4.x kenrel. It is really troublesome every time I create a

Re: AW: skip raid5 reconstruction

2005-07-05 Thread Ming Zhang
PROTECTED] Im Auftrag von Ming Zhang Gesendet: Dienstag, 5. Juli 2005 19:23 An: Linux RAID Betreff: skip raid5 reconstruction Hi folks I am testing some HW performance with raid5 with 2.4.x kenrel. It is really troublesome every time I create a raid5, wait 4 hours for reconstruction