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On Aug 26, 2013 9:02 PM, "Stefan G. Weichinger" <lists@×××××.at> wrote: |
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> We now get into choosing hardware for that shiny new gentoo-server ... |
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> as mentioned this will be a KVM-host and we look at a HP Proliant DL385p |
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> ... 2 AMD Opteron 6344 ... 32 GB RAM, 8 disks (the customer has some |
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> bigger contract with hp, so we are a bit biased to hp here). |
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> For the server that runs the VMs right now we back then chose 2 smaller |
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> SAS-disks for the OS (speed, expensive) and installed SLES on a mirror |
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> built on those 2 disks. The other 8 (?) SATA-disks run in a RAID-6 ... |
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> Now I ask myself if I want to do that again: |
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> 2 smaller disks, fast, RAID1 -> OS/ Gentoo (SSD? I think, no) |
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> 6 bigger disks, maybe 7200rpm, SATA -> RAID6 -> LVM -> space for VMs |
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> (maybe straight LVs for the VM-disks ... performs well, nice backups) |
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> Or should I go for all 8 disks in a RAID6 ... ? |
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> I'd like to discuss that and hear your opinions and experiences. |
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> Thanks! |
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2 smallest disks in RAID1 configuration for booting. |
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Then the 6 disks as JBOD and use it within a RAIDZ2 array. |
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Or, 6 disks in JBOD, add them a 3 ZFS mirror vdev's. |
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Rgds, |
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