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Expanding RAID

mhamer
mhamer asked
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Last Modified: 2010-04-03
Hi, this is just a safty check before i try anything.

it is a live server , and very important. do intend to move it on to a better box, but for now have to make do with making the hardrive bigger.

compaq proliant 3000 standard compaq array,

raid 5

all partions on the raid no seperate system array.  c: d: e: f:   comprising 6 9.6gig drives

question is how do i expand the array (if at all) . I dont have the luxury or rebuilding this one. just need to make one of the partions bigger

NT 4 sp6a
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Commented:
i don't think that it is possible to add a disc to the array without having to rebuild since in the bios, the config is set for the current setting....

you can change a disc (that is HOT swap) but not adding one
andyaldersaggar maker's framemaker
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Commented:
You can expand the array through the ACU after adding another disk no problem, I would recommend putting the latest flash on the RAID controller first although the data loss during on-the-fly problem is only with win2k and above dynamic disks. The problem you have though is making one of the partitions bigger, partition/server magic and similar tools don't work online.
With NT4 the only way to extend a raid array is to break it, then re-create it.  But you would lose all the data.

Sorry :-(
saggar maker's framemaker
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andyaldersaggar maker's framemaker
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Commented:
Thanks Mustangbrad, I completely forgot he could use a volume set after the expansion instead of repartitioning.
Yep, alot less time, I went through this with a client 4 days ago, that's how I know about the q article above.


Brad

andyaldersaggar maker's framemaker
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Agree Luc, 50:50 split.

Also I forgot to post the warning about possible data loss :- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=PSD_EM000915_CW01
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