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Urgent Help! - HDD dropped from LSI Raid 5

3478 Views 22 Replies 4 Participants Last post by  1devomer
Hi guys, I need some help like the title says. I'm a bit of an amateur with server grade stuff so be gentle lol. Anyways, I have 5 drives running in Raid 5 on an LSI raid card (with an Intel SAS expander as well) a few days ago my raid alarm went off notifying me a drive had failed power up. Now my questions are, did I lose my array completely or can I just pop in a new drive and rebuild my existing array?. I tried to access my files but obviously I can't with the array being damaged. Any help or info would be appreciated. Here are a few pics showing the status of the array from today

Thanks




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Discussion Starter · #21 ·
Update* So I was able to get the drives back online and back into group 0. Now my only issue is.. I have roughly 6TB's of data across the 4 3TB drives when creating a Raid 5 won't there be a space issue or will it still be ok?.
 

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With RAID5, you get a bit less than # of drives -1 capacity (unline with RAID1, where you get exactly half). That's how your original config of 5*2.728tb=13.64 drives resulted in just under (5-1)*3.728=10.912tb of redundant capacity, or about 10.16tb actual capacity. With just 4 drives, if you got the array up, you still get full 10tb of space but no reduncancy. Any drive failure now and your data is gone. Get going with a backup before your luck runs completely dry.
 
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