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Mirror Drives

By philldmc ·
This is the thrid time this has happened to me, the site lost power for a period of time last night and the UPS kept the sever up as long as possible before the shut down software kicked in. However the all three times when I turned the system back on the server had to resync the hard drives for the mirror. This process consumes alot of the server resources causing a major network slow down.

How can I tell the server that in the event of the mirror breaking to only resync at night?

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by cul8rm8e In reply to Mirror Drives

I think maybe the first thing you should do is ask yourself a question! which should be something along the lines of, If it was atall possible to resync my drives at night when network usage is at a minimum what solution would i have to get my server up and running as soon as possible for all my many screaming users if my main boot/system drive suddenly crashed and burned?

Correct me if im wrong but,Mirrored drives = Fault tollerance!

Sync drives at a later time of night? means no fault tollerance! Hmmmmmm.

Should i even bother with a 50% overhead on disc space?


take this with a pinch of salt :)

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by philldmc In reply to Mirror Drives

Poster rated this answer

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by Gigelul In reply to Mirror Drives

If the hard disks need resync, means that the shut down was not correct executed.
Check your UPS software or if don't have a SMART UPS buy one.

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by philldmc In reply to Mirror Drives

ACP UPS and software is up to date.

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by philldmc In reply to Mirror Drives

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