Re: ReiserFS and RAID5

Simen Thoresen (simen-tt@online.no)
Thu, 24 Jan 2002 21:29:15 +0100


>Is anybody out there that ever survived a hd crash in SW RAID5 config?
>(Meaning _without_ need to reboot)

Survived and survived....

I had a drive lose power (flaky connector) in a 4 drive setup (2x hpt370 dual channel controllers, each with a 30G IBM ide-drive on each channel - Using IDE and Raid-patches for 2.2.17). The result was a readable, but unwritable array. A streamed mp3 played flawlessly while the drive 'died', while my download (over smb) just froze.

Rebuilding the array (after a reboot) went ok, but during rebuild the 'new' drive appeared to be drive #5 in the 4-disk set, with drive #3 still dead.

>(I only try to figure out what is going on, because I am heavily
>interested in building RAID5 configs myself, and you would not want to
>touch components (SW or HW) in this case that you cannot not trust)
>

Seems to work ok on 2.2.17 at least (had problems with 2.2.19 as detailed previously) - untried with 2.2.20 or 2.4 so far.

It's fun tho :-)

-S

--
Simen Thoresen, Beowulf-cleaner and random artist - close and personal.

Er det ikke rart? The gnu RART-project on http://valinor.dolphinics.no:1080/~simentt/rart

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