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Recent content by apnar

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    NetApp - sources for good info / learning / training...

    They have a simulator which I believe is free. Here's an article on how to get it up and runnig: http://www.virtualtothecore.com/en/deploy-and-install-netapp-ontap-simulator-8-3-rc1-for-a-vsphere-cluster/ All the commands have man pages and the cli has tab completion, so you can poke your way...
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    Backup service with support for Linux

    What's wrong with Crashplan? Works great on linux and even Solaris flavors. Sure you need to port forward the GUI for headless setups but I end up needing to do that like once a year. If you don't need fancy backup features and are just looking to offload offsite you could go direct to Amazon...
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    NetApp Flash Cach vs PernixData or other caching technology?

    In particular the pants around their SSDs seem to be very low which could make a flash pool for the OP attractive.
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    ZFS pool version dilemma with napp-it upgrade, data lost?

    I had something similar happen in Solaris. At some point new volumes in Solaris stopped inheriting ZFS version from their parent and they get created on the most recent ZFS version. Luckily I noticed before upgrading pool versions so could copy the data out. Unfortunately, I can't think of a...
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    ZFS performance test with ZFSguru - 1 year later

    I think those should be 3,5,9 for z1 and 4,6,10 for z2 (2^x + parity). You can see the effect to some degree in the sequential read graph with z1 dropping from 5 to 6 and z2 dropping from 6 to 7. Although they both seem to dip one disk earlier than expected in the 8->9 and 9->10 transitions...
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    New Toshiba Drives DT01ABA300 - info / stats

    zdb | egrep ' name|ashift' ashift of 9 means 512b (2^9) ashift of 12 means 4k (2^12) I created a fresh pool on Solaris 11.1 with only these drives and it created as ashift 12.
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    M1015 HBA + HP SAS expander vs x3 M1015 HBA cards

    I build a bit ago but am using a SuperMicro X8DTH-6F. Currently only with one CPU populated with an E5640. I've been happy with the board although it's a tight turn for the on-board SAS connectors in the 4224. I ended up using the on-board SAS 2008 in IR mode to do a 4 disk RAID 10 which I...
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    New Toshiba Drives DT01ABA300 - info / stats

    Just a quick note on use with ZFS. I added some to a new pool and they were properly added as 4k drives without any sort of hacks.
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    M1015 HBA + HP SAS expander vs x3 M1015 HBA cards

    I'm very happy with my 3 M1015s in my 4224 (4 if you count the on board SAS2008 chip which I use for a RAID 10 for ESXi). I went with a server motherboard though so PCI-e slots/bandwidth weren't an issue. Overall I found the direct HBAs to be simpler, cheaper, more bandwidth, and easier to...
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    Advice Backup Strategy?

    Few seconds of googling: http://kb.acronis.com/content/2699 To quote:
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    Advice Backup Strategy?

    Just think of the SSD as any other hard disk. If you're happy with what you are using and you know it well stick with it.
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    Best way to create pool with 4k, whilst using Solaris

    What drive do you have that actually reports as 4k?
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    Xfer of napp-it all-in-one to norco 4224 issues. please help!

    I'd first make 100% certain you have a backup of your data. Then I'd try either swapping the back plane with another or trying a breakout cable in place of the back plane. That should help you identify if the back plane is at issue.
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    Advice needed from ... experts

    I'd look to 10g ethernet from the workstations to a NAS, it's simple and most non-IT people can understand ethernet. Then a lower end storage setup from someone like NetApp, EMC, Oracle, or one of the many other storage vendors out there. It's likely the storage would use SAS to connect the...
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    Dedupe worth it?

    Nothing in this list would benefit from dedupe, unless you have lots of copies of the same or nearly the same videos. There is a very narrow range of uses where dedupe makes sense. The two that I can think of off the top of my head are a backing store for lots of similar virtual machines or...
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