Article:  |
Using Software RAID-1 with FreeBSD | |
| Subject: | RAID card suggestion? | |
| Date: | 2005-11-14 08:02:34 | |
| From: | fak3r.com | |
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Dru - another great article, thanks so much for your time. After a superblock error on /var a few weeks back, I've decided to rebuild FreeBSD 6.0 with RAID 1 for redundant/mirroring. What RAID card would you recommend for this -or- where could I find a list of cards? I've looked on freebsd.org under hardware for 6.0, but I'm wondering which is more recommended.
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RAID card suggestion?
2005-11-29 11:55:51 Carnavour [View]
I installed the Card and connected the SCSI backplane to it which connects the hotswap drives. I then entered the LSI utiliy to create an array. After this was done. I installed FreeBSD 5.4, there were no problems, nothing special to do, just installed it normally. It just appeard as one disk. I loaded all the ports, configured the server, Finally I tested.
I tested the RAID array be pulling out a hotswap drive while FreeBSD was running. I left it out, ran some commands, and changed some files.
Everything worked perfectly. Then I placed the drive back in and it immediately started to sync back with the other drive. I then rebooted the OS just to check. No problems. No performance degradation either.
I do recommend getting a optional battery for the RAID card. This will increase reliability during cache writes if the power fails. Of course this is not a specific problem to LSI all RAID cards that perform cache writes suffer from this.
Hope this helps. Here is the link to LSI
http://www.lsilogic.com/products/megaraid_scsi/index.html