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- If a server fails, you simply roll in a new server, move the HBAs over from the failed server and reboot. You're back up in minutes!
- You can automate all your backups to the shared library using FULL every night. This allows faster restores and since backup is over the SAN, it happens at 200 MB per second over the fabric. Your bottleneck will be your tape drives, not the network.
- You can now utilize all the storage you've purchased and provision it better for the servers that need it. This will lengthen the time between storage purchases, and give you that 60% of wasted storage back!
- No more server downtime to add disks.
- You now have two paths to storage, making your applications more reliable.
- Your applications will run faster over the SAN, since you have 400 MB per second access to data.
- You can spread your I/O load across multiple RAID5 LUNs in the storage array, which will let you handle multiple drive failures.
- Most SAN arrays have automatic sparing, so if a drive does fail, your servers never notice and the applications stay up.
- You can take advantage of storage array-based data replication for disaster recovery.
- Since your disks are now shared, you can implement host-based clustering to increase your application uptime and reduce operational headaches on hardware or application failure.
Editor's note: Do you agree with this expert's response? If you have more to share, post it in one of our .bphAaR2qhqA^0@/searchstorage>discussion forums.The views and opinions expressed by Christopher L. Poelker are his alone and not necessarily shared by Hitachi Data Systems. Click here to go back to part one.
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